|
| 1 |
Scapes 1-flowered; aerial stem absent |
|
Pycnoplinthus |
| + |
Aerial stem present, few to many flowered |
|
(2) |
| |
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|
| 2 (1) |
Siliquae readily to tardily dehiscent, biolcular |
|
(3) |
| + |
Siliquae indehiscent or tardily late dehiscent, with 2-many superimposed 1-seeded cells (often breaking transversely) or linear often constricted between the seeds (torulose) |
|
(9) |
| |
|
|
|
| 3 (2) |
Fruits subdehiscent; leaves filiform, usually pinnatisect; plants ± glabrous |
|
Leptaleum |
| + |
Fruits dehiscent; leaves usually oblanceolate, sinuate-dentate to entire; plants hairy, often scabrous |
|
(4) |
| |
|
|
|
| 4 (3) |
Hairs appressed, 2-3 partite |
|
(5) |
| + |
Hairs simple or branched, often rigid but not appressed |
|
(7) |
| |
|
|
|
| 5 (4) |
Plants very small, slender; racemes lax, 2-5-flowered; anther dimorphic (2 outer dithecous and the rest usually monothecous) |
|
Atelanthera |
| + |
Plants usually tall; racemes many flowered corymbose; anthers alike, dithecous |
|
(6) |
| |
|
|
|
| 6 (5) |
Middle nectar glands absent; flowers large;
(cultivated) |
|
Cheiranthus |
| + |
Middle nectar glands present; flowers often mediocre |
|
Erysimum |
| |
|
|
|
| 7 (4) |
Plants short, suberect; fruits readily dehiscent; hairs minute, stellate |
|
Eremobium |
| + |
Plants often tall and erect; fruits indehiscent
or tardily dehiscent; hairs simple or branched
(plants sometimes almost glabrous) |
|
(8) |
| |
|
|
|
| 8 (7) |
Lateral nectar glands subannular; plants tall erect with large ovate-dentate leaves; (cultivated) |
|
Hesperis |
| + |
Lateral nectar glands in pairs, small, pyramidate;
plants often suberect with usually oblong-linear or
elliptic leaves |
|
Malcolmia |
| |
|
|
|
| 9 (2) |
Siliquae elongated, linear, torulose, many seeded;
stigmas broad with diverging lobes |
|
Sterigmostemum |
| + |
Fruits short, quadrate, often constricted in the middle only; stigmas minute, conical |
|
Goldbachia |
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