|
| 1 |
Plants glabrous |
|
(2) |
| + |
Plants pilose or hairy |
|
(47) |
| |
|
|
|
| 2 (1) |
Fruits less than 3 times as long as broad (siliqua) |
|
(3) |
| + |
Fruits 4 times or more as long as broad (siliqua) |
|
(25) |
| |
|
|
|
| 3 (2) |
Fruits strongly compressed, flat |
|
(4) |
| + |
Fruits not or scarcely compressed, ovoid inflated or with crested valves |
|
(17) |
| |
|
|
|
| 4 (3) |
Silicula biarticulated (jointed), lower portion narrow, stalk-l ike, dehiscent, upper portion much larger, broadly winged indehiscent, stigma lobes conical, decurrent |
|
Fortuynia |
| + |
Silicula not jointed, winged or not winged, stigma lobes short, neither conical nor decurrent |
|
(5) |
| |
|
|
|
| 5 (4) |
Silicula compressed parallel to septum (or locule),
not winged |
|
(6) |
| + |
Silicula compressed at right angles to septum (or locule), usually winged |
|
(8) |
| |
|
|
|
| 6 (5) |
Septum complete, siliculae broadly elliptic, oblong, stipitate, seeds winged |
|
(7) |
| + |
Septum incomplete or lacking, siliculae elliptic, not stipitate, seeds not winged |
|
Graellsia |
| |
|
|
|
| 7 (6) |
Leaves fleshy, lower subsessile or very shortly petioled, oblong-cuneate to elliptic, siliculae same, flowers small |
|
Savignya |
| + |
Leaves ovate-cordate, lower long petioled, siliculae large, flowers large, (cultivated) |
|
Lunaria |
| |
|
|
|
| 8 (5) |
Fruits pendulous |
|
(9) |
| + |
Fruits not pendulous (rarely slightly pendulous in Thlaspi) |
|
(10) |
| |
|
|
|
| 9 (8) |
Stigma sessile or style absent fruits usually oblong and narrowly winged (rarely suborbicular) |
|
Isatis |
| + |
Style very short but distinct, fruits ± orbicular and broadly winged |
|
Sameraria |
| |
|
|
|
| 10 (8) |
Seeds 1-2 only |
|
(11) |
| + |
Seeds 4- many |
|
(15) |
| |
|
|
|
| 11 (10) |
Leaves bi-pinnatisect with narrow lobes |
|
(12) |
| + |
Leaves entire to 1-pinnatisect with broader lobes |
|
(13) |
| |
|
|
|
| 12 (11) |
Fruits c.2 mm in diam. with verrucose and inflated valves, separating into two 1-seeded parts |
|
Coronopus |
| + |
Fruits c.10 mm in diam. with membranous, compressed smooth valves, dehiscent |
|
Uranodactylus |
| |
|
|
|
| 13 (11) |
Siliculae broadly winged, sometimes dimorphic (the dehiscent usually 2-4(-6) seeded and indehiscent (abnormal) ones 1-seeded) |
|
Aethionema |
| + |
Siliculae not winged, always alike |
|
(14) |
| |
|
|
|
| 14 (13) |
Siliculae not so compressed, valves boat-shaped, septum somewhat broad, leaves usually 1-pinnatisect |
|
Winklera |
| + |
Siliculae strongly compressed, valves keeled, septum
very narrow, leaves usually simple |
|
Lepidium |
| |
|
|
|
| 15 (10) |
Heterocarpous with condensed infructescence, siliculae c. 4-seeded, winged (abnormal ones 1-seeded) |
|
Aethionema |
| + |
Homocarpous with usually elongated infructescence,
siliculae more than 4-seeded |
|
(16) |
| |
|
|
|
| 16 (15) |
Siliculae usually ± winged, very compressed (rarely wings suppressed or lacking), cauline leaves sessile, usually auricled at base |
|
Thlaspi |
| + |
Siliculae neither so compressed (valves boat shaped), nor winged, very small, cauline leaves cuneate below |
|
Hymenolobus |
| |
|
|
|
| 17 (3) |
Fruit vesicular or inflated (c.7 mm in diam.) |
|
Didymophysa |
| + |
Fruit not vesicular |
|
(18) |
| |
|
|
|
| 18 (17) |
Silicula valves 2-crested |
|
Dilophia |
| + |
Silicula without crested valves |
|
(19) |
| |
|
|
|
| 19 (18) |
Basal leaves petioled, large, lamina ± cordate at base |
|
Crambe |
| + |
Basal leaves neither petioled nor cordate |
|
(20) |
| |
|
|
|
| 20 (19) |
Fruiting pedicels deflexed or recurved |
|
(21) |
| + |
Fruiting pedicels erect, ascending or spreading,
straight |
|
(22) |
| |
|
|
|
| 21 (20) |
Petals yellow. Leaves entire. Fruit cymbiform (with inflated locule and narrow flattened apex) |
|
Tauscheria |
| + |
Petals violet or purplish. Leaves dentate. Fruit
oblong, tetragonous with angular apex, often
constricted in the middle |
|
Goldbachia |
| |
|
|
|
| 22 (20) |
Fruits many seeded |
|
(23) |
| + |
Fruits 1-2- seeded |
|
(24) |
| |
|
|
|
| 23 (22) |
Flowers yellow, plants aquatic or amphibious |
|
Rorippa |
| + |
Flowers white (rarely yellowish or lilac), plants
terrestrial |
|
Cochlearia |
| |
|
|
|
| 24 (22) |
Annual. Flowers yellow, fruits not jointed tetragonous, narrowly winged, 1-seeded |
|
Boreava |
| + |
Perennial. Flowers white, pinkish or pale yellowish, fruit jointed, globose, shortly beaked, smooth, 1-2-seeded |
|
Physorrhynchus |
| |
|
|
|
| 25 (2) |
Fruit biarticulated, beaked or with a short, beak-l ike stylar apex |
|
(26) |
| + |
Fruit neither jointed nor beaked |
|
(34) |
| |
|
|
|
| 26 (25) |
Stigma lobes conical and decurrent |
|
(27) |
| + |
Stigma lobes short, capitate (rarely slightly conical), not decurrent |
|
(30) |
| |
|
|
|
| 27 (26) |
Petals yellow, plants annual |
|
Conringia |
| + |
Petals pink or lilac, plants perennial |
|
(28) |
| |
|
|
|
| 28 (27) |
Plants ± scaposa (without cauline leaves) |
|
Parrya |
| + |
Plants with leafy flowering stems |
|
(29) |
| |
|
|
|
| 29 (28) |
Cauline leaves amplexicaul, petals obovate |
|
Moricandia |
| + |
Cauline leaves narrowed below, not amplexicaul, petals linear |
|
Douepia |
| |
|
|
|
| 30 (26) |
Fruits dehiscent with ± membranous valves |
|
(31) |
| + |
Fruits indehiscent, lomentoid with thickened valves |
|
(33) |
| |
|
|
|
| 31 (30) |
Scapes 1-flowered, leaves linear, plants small,
caespitose |
|
Pycnoplinthus |
| + |
Racemes many flowered, leaves not linear, plants tall |
|
(32) |
| |
|
|
|
| 32 (31) |
Seeds biseriate, flowers violet or pinkish-white,
(fruit beak short) |
|
Diplotaxis |
| + |
Seeds uniseriate, flowers yellow, (fruit beak usually long, sometimes short) |
|
Brassica |
| |
|
|
|
| 33 (30) |
Leaves entire or dentate, petals yellow, fruits spindle-shaped, often spirally curved with a long beak |
|
Spirorrhynchus |
| + |
Leaves pinnatisect, fruit small, torulose with a very short beak |
|
Erucaria |
| |
|
|
|
| 34 (25) |
Fruit 1-locular, ± winged or with thickened margins, pendulous |
|
Isatis |
| + |
Fruit 2-locular, compressed parallel to septum, not winged, rarely pendulous |
|
(35) |
| |
|
|
|
| 35 (34) |
Lower or basal leaves simple, entire or dentate |
|
(36) |
| + |
Lower or basal leaves pinnate or pinnatifid |
|
(44) |
| |
|
|
|
| 36 (35) |
Rootstock thickened, somewhat woody, basal leaves obovate, much larger than the cauline leaves, fruits short and broad, ± curved with sessile stigma |
|
Arcyosperma |
| + |
Annual or perennial but rootstock not so thickened, cauline leaves not so small, fruits generally long, linear with ± conspicuous style |
|
(37) |
| |
|
|
|
| 37 (36) |
Cauline leaves absent or amplexicaul |
|
(38) |
| + |
Cauline leaves always present, usually not amplexicaul, sessile or shortly petioled |
|
(40) |
| |
|
|
|
| 38 (37) |
Cauline leaves absent, stigma with conical and decurrent lobes |
|
Parrya |
| + |
Cauline leaves amplexicaul, stigma short, capitate or bilobed, not decurrent |
|
(39) |
| |
|
|
|
| 39 (38) |
Cauline leaves many, fruiting pedicel thin (sometimes deflexed) |
|
Turritis |
| + |
Cauline leaves few, distant, fruiting pedicels often thickened, ascending or spreading |
|
Arabis |
| |
|
|
|
| 40 (37) |
Petals small, stigma short depressed, plants usually annuals |
|
Arabidopsis |
| + |
Petals prominent, stigma bilobed, plants usually perennials |
|
(41) |
| |
|
|
|
| 41 (40) |
Leaves spathulate, generally 3-5-dentate above, septum complete, incomplete or absent |
|
Christolea |
| + |
Leaves elliptic, entire to dentate, septum complete |
|
(42) |
| |
|
|
|
| 42 (41) |
Seeds biseriate, fruit flat, shortly stipitate |
|
Diplotaxis |
| + |
seeds uniseriate, fruits with ± convex valves, not stipitate |
|
(43) |
| |
|
|
|
| 43 (42) |
Petals 5-15 mm long, stigma capitate |
|
Sisymbrium |
| + |
Petals 20-30 mm long, stigma bilobed |
|
Hesperis |
| |
|
|
|
| 44 (35) |
Leaf segments filiform, flowers distant, solitary or few |
|
Leptaleum |
| + |
Leaf segments not filiform, flowers in racemes |
|
(45) |
| |
|
|
|
| 45 (44) |
Leaves 2-3-pinnatisect with narrow, short lobes,
fruit often curved, not opening form below |
|
Descurainia |
| + |
Leaves simply pinnate (to entire-denticulate) |
|
(46) |
| |
|
|
|
| 46 (45) |
Fruits straight, opening form below upwards, seeds 1-seriate |
|
Cardamine |
| + |
Fruits ± curved, opening uniformly, seeds ± 2-seriate |
|
Nasturtium |
| |
|
|
|
| 47 (1) |
Hairs simple |
|
(48) |
| + |
Hairs branched or stellate, sometimes glandular and intermixed |
|
(95) |
| |
|
|
|
| 48 (47) |
Fruits generally less than 3 times as long as broad |
|
(49) |
| + |
Fruits 4 times or more as long as broad |
|
(72) |
| |
|
|
|
| 49 (48) |
Fruit compressed (very rarely not compressed but winged or didymous) |
|
(50) |
| + |
Fruit not compressed, neither winged nor didymous |
|
(60) |
| |
|
|
|
| 50 (49) |
Petals yellow (or sometimes white with violet veins) |
|
(51) |
| + |
Petals pink or white or absent |
|
(54) |
| |
|
|
|
| 51 (50) |
Fruit erect and dehiscent |
|
Draba |
| + |
Fruit pendulous and indehiscent or breaking away into two 1-seeded halves |
|
(52) |
| |
|
|
|
| 52 (51) |
Plants very tall with large pinnate leaves, fruits large 2-locular, breaking into two 1-seeded halves |
|
Megacarpaea |
| + |
Plants small with simple leaves, fruit small, indehiscent, 1-locular |
|
(53) |
| |
|
|
|
| 53 (52) |
Stigma sessile or subsessile |
|
Isatis |
| + |
Stigma on distinct but very short style |
|
Sameraria |
| |
|
|
|
| 54 (50) |
Racemes axillary, fruit valves thickened, verrucose |
|
Coronopus |
| + |
Racemes terminal, fruit valves membranous |
|
(55) |
| |
|
|
|
| 55 (54) |
Fruit compressed parallel to septum |
|
(56) |
| + |
Fruit slightly to very compressed contrary to septum |
|
(57) |
| |
|
|
|
| 56 (55) |
Cauline leaves present, seeds winged |
|
Savignya |
| + |
Cauline leaves absent, seeds not winged |
|
Erophila |
| |
|
|
|
| 57 (55) |
Fruits not very compressed , valves boat-shaped, septum not very narrow |
|
Winklera |
| + |
Fruits very compressed, septum very narrow |
|
(58) |
| |
|
|
|
| 58 (57) |
Fruits ± winged, (cultivated) |
|
Iberis |
| + |
Fruits not winged or slightly winged above, valves keeled |
|
(59) |
| |
|
|
|
| 59 (58) |
Fruits c. 10 mm in diam., not winged, style long, (leaves 2-pinnatisect) |
|
Uranodactylus |
| + |
Fruits small, slightly or not winged at the apex, less than 8 mm in diam., style very short, (cauline
leaves generally entire or dentate) |
|
Lepidium |
| |
|
|
|
| 60 (49) |
Basal leaves long-petioled, fruit, jointed |
|
Crambe |
| + |
Basal leaves not so, fruit not jointed |
|
(61) |
| |
|
|
|
| 61 (60) |
Fruit valves dehiscent |
|
(62) |
| + |
Fruit indehiscent |
|
(66) |
| |
|
|
|
| 62 (61) |
Plants perennial, often with somewhat thick rootstock |
|
(63) |
| + |
Plants annual or biennial |
|
(64) |
| |
|
|
|
| 63 (62) |
Inflorescence ± capitate, cauline leaves 0-1, narrow |
|
Braya |
| + |
Inflorescence ± lax, cauline leaves several, spathulate |
|
Aphragmus |
| |
|
|
|
| 64 (62) |
Leaves small, obovate, usually 3-dentate above to entire |
|
Lignariella |
| + |
Leaves not so small, uniformly dentate to incised |
|
(65) |
| |
|
|
|
| 65 (64) |
Petals 6-7 mm long, yellowish-white, cauline leaves cordate and amplexicaul |
|
Camelina |
| + |
Petals 1-3(-5) mm long, yellow, cauline leaves pinnatisect to entire, narrowed below, rarely slightly amplexicaul |
|
Rorippa |
| |
|
|
|
| 66 (61) |
Fruit biarticulated |
|
(67) |
| + |
Fruit not biarticulated |
|
(68) |
| |
|
|
|
| 67 (66) |
Fruit globose, smooth, stigma sessile, depressed |
|
Crambe |
| + |
Fruit globose, striated, apex shortly beaked |
|
Rapistrum |
| |
|
|
|
| 68 (66) |
Petals yellow, fruit cymbiform |
|
Tauscheria |
| + |
Petals white or pinkish, fruit not cymbiform |
|
(69) |
| |
|
|
|
| 69 (68) |
Scapes 1-flowered, aerial stem 0 |
|
Pegaeophyton |
| + |
Aerial stem many flowered |
|
(70) |
| |
|
|
|
| 70 (69) |
Fruiting pedicel very short (c. 1.5 mm Long), appressed to the axis |
|
Euclidium |
| + |
Fruiting pedicel neither so short nor appressed |
|
(71) |
| |
|
|
|
| 71 (70) |
Petals white, pedicel ascending, silicula ovate to orbicular |
|
Cardaria |
| + |
Petals pink, pedicel recurved or deflexed, fruits tetragonous |
|
Goldbachia |
| |
|
|
|
| 72 (48) |
Fruits beaked or biarticulated |
|
(73) |
| + |
Fruits neither beaked nor biarticulated |
|
(83) |
| |
|
|
|
| 73 (72) |
Fruiting pedicel appressed to the axis |
|
(74) |
| + |
Fruiting pedicel not appressed |
|
(75) |
| |
|
|
|
| 74 (73) |
Petals pink or lilac, leaf segments ± linear, pods shortly beaked |
|
Erucaria |
| + |
Petals yellow or white, leaf segments angular, pods with a prominent beak, ± flat, angular |
|
Sinapis |
| |
|
|
|
| 75 (73) |
Stigma lobes conical and decurrent |
|
(76) |
| + |
Stigma lobes short, capitate or depressed, not decurrent |
|
(79) |
| |
|
|
|
| 76 (75) |
Fruits indehiscent and lomentoid |
|
Chorispora |
| + |
All fruits or at least the upper ones dehiscent (lower sometimes indehiscent ) |
|
(77) |
| |
|
|
|
| 77 (76) |
Petals yellowish with dark veins, fruits short with a prominent broad beak |
|
Eruca |
| + |
Petals white, violet or lilac, not so veined, fruits long, beak short, slender |
|
(78) |
| |
|
|
|
| 78 (77) |
Plants annual and leafy, fruits generally dimorphic, upper smooth, dehiscent, lower usually indehiscent and lomentoid |
|
Diptychocarpus |
| + |
Plants perennial, scapose, fruits dehiscent |
|
Parrya |
| |
|
|
|
| 79 (75) |
Fruits breaking transversely into segments |
|
(80) |
| + |
Fruits dehiscent by valves |
|
(81) |
| |
|
|
|
| 80 (79) |
Fruits shortly beaked, lower portion 1-3-seeded |
|
Enarthrocarpus |
| + |
Fruit beak elongated, lower portion of fruit sterile |
|
Raphanus |
| |
|
|
|
| 81 (79) |
Seeds biseriate, very small (less than 1 mm in diam.), beak very short |
|
Diplotaxis |
| + |
Seeds uniseriate, no so small (1 or more then 1 mm in diam.), beak often prominent |
|
(82) |
| |
|
|
|
| 82 (81) |
Fruit valves 1-veined, beak not so flattened, tapering (rarely beak indistinct) |
|
Brassica |
| + |
Fruit valves 3-7-veined, beak flattened, angular |
|
Sinapis |
| |
|
|
|
| 83 (72) |
Leaves pinnatifid or pinnatisect |
|
(84) |
| + |
Leaves simple, entire or dentate |
|
(89) |
| |
|
|
|
| 84 (83) |
Leaves 1-3-pinnatisect |
|
Descurainia |
| + |
Leaves pinnatifid or simply pinnate |
|
(85) |
| |
|
|
|
| 85 (84) |
Petals yellow |
|
(86) |
| + |
Petals white or pink |
|
(88) |
| |
|
|
|
| 86 (85) |
Fruit pendulous, 1-celled, ± winged |
|
Isatis |
| + |
Fruit erect or spreading, 2-celled, not winged |
|
(87) |
| |
|
|
|
| 87 (86) |
Cauline leaves amplexicaul |
|
Barbaraea |
| + |
Cauline leaves not amplexicaul |
|
Sisymbrium |
| |
|
|
|
| 88 (85) |
Fruiting pedicel ± thickened, fruit subcylindrical, torulose, often curved or coiled at the apex |
|
Torularia |
| + |
Fruiting pedicel not thickened, fruit ± flat, smooth and straight |
|
Cardamine |
| |
|
|
|
| 89 (83) |
Lower leaves long-petioled, cordate,(petals white) |
|
Alliaria |
| + |
Lower leaves neither long-petioled nor cordate, (petals yellow, white or pink) |
|
(90) |
| |
|
|
|
| 90 (89) |
Fruit ± winged, pendulous |
|
Isatis |
| + |
Fruit neither winged nor pendulous |
|
(91) |
| |
|
|
|
| 91 (90) |
Plants ascending-prostrate, short or depressed |
|
(92) |
| + |
Plants erect and often tall |
|
(93) |
| |
|
|
|
| 92 (91) |
Basal leaves much larger than the few Cauline leaves, flowering stem hardly exceeding the basal leaves, stigma capitate |
|
Arcyosperma |
| + |
Leaves uniformly present and basal not so large, flowering stem exceeding the basal leaves, stigma bilobed |
|
Christolea |
| |
|
|
|
| 93 (91) |
Cauline leaves amplexicaul |
|
Barbaraea |
| + |
Cauline leaves sessile or short-petioled |
|
(94) |
| |
|
|
|
| 94 (93) |
Fruits generally beaked and biarticulated,cotyledons longitudinally folded |
|
Brassica |
| + |
Fruits neither beaked nor biarticulated, cotyledons not folded |
|
Sisymbrium |
| |
|
|
|
| 95 (47) |
Fruit a silicula |
|
(96) |
| + |
Fruit a siliqua |
|
(119) |
| |
|
|
|
| 96 (95) |
Leaves pinnatisect, flowers usually solitary axillary or racemes bracteate |
|
Hedinia |
| + |
Leaves simple, entire or dentate, flowers usually in ebracteate racemes |
|
(97) |
| |
|
|
|
| 97 (96) |
Fruit ± inflated with membranous valves, never horny |
|
(98) |
| + |
Fruit ± terete, not inflated, valves somewhat thickened, often horny or with appendages |
|
(100) |
| |
|
|
|
| 98 (97) |
Hairs stellate or branched, appressed |
|
(99) |
| + |
Hairs branched (or mixed with simple), not appressed |
|
Draba |
| |
|
|
|
| 99 (98) |
Fruit orbicular or suborbicular, usually with ± flattened very narrow margins |
|
Alyssum |
| + |
Fruit ovoid or suborbicular, without a flattened margin |
|
Ptilotrichum |
| |
|
|
|
| 100 (97) |
Fruiting pedicel appressed to axis, fruits usually indehiscent, often horned or spiny |
|
(101) |
| + |
Fruiting pedicel not appressed, erect to spreading or reflexed, fruits usually dehiscent, neither horned nor spiny |
|
(105) |
| |
|
|
|
| 101 (100) |
Fruit apex 2-several horned or irregularly spiny |
|
(102) |
| + |
Fruit apex not horned but auricled or simply beaked |
|
(104) |
| |
|
|
|
| 102 (101) |
Fruit ± ovoid and irregularly spiny |
|
Octoceras |
| + |
Fruit ± oblong and horned at the apex only |
|
(103) |
| |
|
|
|
| 103 (102) |
Fruit 2-horned |
|
Notoceras |
| + |
Fruit 4-horned |
|
Tetracme |
| |
|
|
|
| 104 (101) |
Fruit apex transversely auricled |
|
Anastatica |
| + |
Fruit apex not auricled, simply beaked |
|
Euclidium |
| |
|
|
|
| 105 (100) |
Fruit obtriangular, strongly compressed at right angles to the septum |
|
Capsella |
| + |
Fruit elliptic, orbicular or obovate, flattened parallel to the septum or not flattened |
|
(106) |
| |
|
|
|
| 106 (105) |
Fruiting pedicel deflexed |
|
(107) |
| + |
Fruiting pedicel erect to spreading |
|
(108) |
| |
|
|
|
| 107 (106) |
Flowers solitary axillary, siliculae dehiscent, distant |
|
Buchingera |
| + |
Flowers in racemes, ebracteate, siliculae indehiscent, crowded |
|
Clypeola |
| |
|
|
|
| 108 (106) |
Cauline leaves sagittate, amplexicaul |
|
(109) |
| + |
Cauline leaves cuneate, sessile or petioled |
|
(110) |
| |
|
|
|
| 109 (108) |
Siliculae indehiscent, globose |
|
Neslia |
| + |
Siliculae dehiscent, elliptic or obovoid |
|
Camelina |
| |
|
|
|
| 110 (108) |
Plants annual |
|
(111) |
| + |
Plants perennial |
|
(114) |
| |
|
|
|
| 111 (110) |
Plants small, ± procumbent, leaves usually pinnatifid |
|
Hymenolobus |
| + |
Plants erect, leaves or dentate |
|
(112) |
| |
|
|
|
| 112 (111) |
Petals deeply bifid or absent |
|
Erophila |
| + |
Petals entire, retuse or emarginate |
|
(113) |
| |
|
|
|
| 113 (112) |
Hairs appressed, generally stellate |
|
Alyssum |
| + |
Hairs not appressed, branched or simple |
|
Draba |
| |
|
|
|
| 114 (110) |
Leaves pinnatisect |
|
Smelowskia |
| + |
Leaves simple, entire or dentate |
|
(115) |
| |
|
|
|
| 115 (114) |
Stigma lobes comical and decurrent |
|
Farsetia |
| + |
Stigma lobes short and capitate, not decurrent |
|
(116) |
| |
|
|
|
| 116 (115) |
Siliculae ± orbicular |
|
(117) |
| + |
Siliculae elliptic or oblong |
|
(118) |
| |
|
|
|
| 117 (116) |
Hairs bipartite-appressed, (cultivated) |
|
Lobularia |
| + |
Hairs stellate-appressed |
|
Alyssum |
| |
|
|
|
| 118 (116) |
Flowers yellow, radicle accumbent |
|
Draba |
| + |
Flowers white or pink, radicle incumbent |
|
Braya |
| |
|
|
|
| 119 (95) |
Plants perennial |
|
(120) |
| + |
Plants annual or biennial |
|
(132) |
| |
|
|
|
| 120 (119) |
Lower leaves pinnate or pinnatifid |
|
(121) |
| + |
Lower leaves entire or dentate |
|
(123) |
| |
|
|
|
| 121 (120) |
Petals white or pink, 3-8 mm long |
|
(122) |
| + |
Petals dull or brownish, longer than 10 mm |
|
Matthiola |
| |
|
|
|
| 122 (121) |
Siliquae valves 1-veined, stamen filaments not dentate |
|
Arabidopsis |
| + |
Siliquae valves 3-veined, stamen filaments often dentate (edentate in our species) |
|
Dontostemon |
| |
|
|
|
| 123 (120) |
Stigma lobes conical and decurrent |
|
(124) |
| + |
Stigma lobes short and capitate, not decurrent |
|
(127) |
| |
|
|
|
| 124 (123) |
Hairs bifid, appressed |
|
Farsetia |
| + |
Hairs stalked, branched or stellate |
|
(125) |
| |
|
|
|
| 125 (124) |
Siliquae quadrangular, 2-horned near the apex |
|
Diceratella |
| + |
Siliquae ± compressed or terete, not horned near the apex (sometimes stigma lobes appendaged in Matthiola) |
|
(126) |
| |
|
|
|
| 126 (125) |
Fruits ± flat, seeds winged |
|
Matthiola |
| + |
Fruits subcylindrical or terete, seeds not winged |
|
Hesperis |
| |
|
|
|
| 127 (123) |
Hairs appressed (bifid to stellate) |
|
(128) |
| + |
Hairs stalked, not appressed (branched or stellate) |
|
(129) |
| |
|
|
|
| 128 (127) |
Middle nectar glands present |
|
Erysimum |
| + |
Middle nectar glands absent, (cultivated) |
|
Cheiranthus |
| |
|
|
|
| 129 (127) |
Plants not caespitose, stem leafy |
|
Arabidopsis |
| + |
Plants caespitose, usually scapose |
|
(130) |
| |
|
|
|
| 130 (129) |
Petals dull whitish or dull yellow, turning purple |
|
Phaeonychium |
| + |
Petals white or pink |
|
(131) |
| |
|
|
|
| 131 (130) |
Seeds biseriate |
|
Draba |
| + |
Seeds uniseriate |
|
Arabis |
| |
|
|
|
| 132 (119) |
Leaves pinnatifid or pinnate |
|
(133) |
| + |
Leaves entire or dentate |
|
(143) |
| |
|
|
|
| 133 (132) |
Fruiting pedicel thickened |
|
(134) |
| + |
Fruiting pedicel not thickened |
|
(140) |
| |
|
|
|
| 134 (133) |
Stigma lobes conical and decurrent |
|
(135) |
| + |
Stigma lobes short and capitate, not decurrent |
|
(137) |
| |
|
|
|
| 135 (134) |
Leaf segments filiform, flowers few or solitary, distant |
|
Leptaleum |
| + |
Leaf segments not filiform, flowers in racemes, many |
|
(136) |
| |
|
|
|
| 136 (135) |
Petals white, pink or violet |
|
Malcolmia |
| + |
Petals dull, brownish |
|
Matthiola |
| |
|
|
|
| 137 (134) |
Fruits with 4 apical horns |
|
Tetracme |
| + |
Fruits without horns |
|
(138) |
| |
|
|
|
| 138 (137) |
Leaves 2-pinnatisect |
|
Robeschia |
| + |
Leaves pinnatifid |
|
(139) |
| |
|
|
|
| 139 (138) |
Petals white or pink, stalked |
|
Torularia |
| + |
Petals yellow, hairs appressed |
|
Erysimum |
| |
|
|
|
| 140 (133) |
Petals white or pink |
|
(141) |
| + |
Petals yellow |
|
(142) |
| |
|
|
|
| 141 (140) |
Plants usually small, up to 10 cm long, siliquae 10-25 mm long |
|
Microsisymbrium |
| + |
Plants usually tall, up to 40 cm long, siliquae usually 30-75 mm long |
|
Arabidopsis |
| |
|
|
|
| 142 (140) |
Sepals narrow, linear, fruits 2 cm or more long |
|
Descurainia |
| + |
Sepals broad, oblong, fruits up to 1 cm long |
|
Sophiopsis |
| |
|
|
|
| 143 (132) |
Hairs partite and appressed |
|
(144) |
| + |
Hairs stalked, branched or stellate |
|
(146) |
| |
|
|
|
| 144 (143) |
Fruiting pedicel thickened |
|
Erysimum |
| + |
Fruiting pedicel not thickened |
|
(145) |
| |
|
|
|
| 145 (144) |
Plants tall and leafy, stigma lobes conical and decurrent |
|
Farsetia |
| + |
Plants short, few-leaved, stigma capitate, not decurrent |
|
Atelanthera |
| |
|
|
|
| 146 (143) |
Stigma lobes conical and decurrent |
|
(147) |
| + |
Stigma lobes capitate, not decurrent |
|
(150) |
| |
|
|
|
| 147 (146) |
Fruits indehiscent, lomentoid, inner Stamen filaments often connate |
|
Sterigmostemum |
| + |
Fruits dehiscent, stamen filaments free |
|
(148) |
| |
|
|
|
| 148 (147) |
Stigma lobes laterally appendaged, petals dull, brownish |
|
Matthiola |
| + |
Stigma lobes not appendaged, petals lilac, pink or white |
|
(149) |
| |
|
|
|
| 149 (148) |
Leaves oblong or ovate-lanceolate, entire or dentate, often petiolate, fruiting pedicel thickened |
|
Malcolmia |
| + |
Leaves linear-oblong, entire, sessile, fruiting pedicel not thickened |
|
Eremobium |
| |
|
|
|
| 150 (146) |
Fruiting pedicel about as the fruit |
|
(151) |
| + |
Fruiting pedicel not thickened, narrower than the fruit |
|
(154) |
| |
|
|
|
| 151 (150) |
Petals pale yellow or yellow |
|
(152) |
| + |
Petals pink or white |
|
(153) |
| |
|
|
|
| 152 (151) |
Scapose herbs, often small |
|
Drabopsis |
| + |
Leafy herbs, often tall |
|
Erysimum |
| |
|
|
|
| 153 (151) |
Plants ascending or procumbent, cauline leaves sessile radicle incumbent |
|
Torularia |
| + |
Plants ± erect, cauline leaves often amplexicaul, radicle accumbent |
|
Arabis |
| |
|
|
|
| 154 (150) |
Siliquae somewhat broad and flat, c.5 mm broad, seeds few, 4-5 mm in diam, winged |
|
Cithareloma |
| + |
Siliquae narrow, 1-3 mm broad, not so flat, seeds many, not or hardly winged |
|
(155) |
| |
|
|
|
| 155 (154) |
Seeds biseriate |
|
(156) |
| + |
Seeds uniseriate |
|
(157) |
| |
|
|
|
| 156 (155) |
Cauline leaves amplexicaul, plants glaucous, slightly hairy, usually 50-100 cm tall, siliquae 50-90 mm long |
|
Turritis |
| + |
Cauline leaves absent or sessile, plants short, up to 20 cm tall, green ± hirsute, siliquae up to 15 mm long |
|
Draba |
| |
|
|
|
| 157 (155) |
Cauline leaves often amplexicaul, auricled at base, petals white, radicle accumbent |
|
Arabis |
| + |
Cauline leaves sessile or shortly petioled (very rarely amplexicaul), petals yellow, radicle incumbent |
|
Arabidopsis |
|
