1 |
Siliculae hardly or not laterally compressed; septum broadly elliptic (sometimes incomplete or absent) |
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(2) |
+ |
Siliculae laterally ± flattened or compressed (rarely with inflated valves) septum narrowly elliptic (sometimes absent) |
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(4) |
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2 (1) |
Racemes condensed, ± umbellate in fruit; valves gibbous with double crest at the back |
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Dilophia |
+ |
Racemes elongated in fruit; valves neither gibbous nor double crested at the back |
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(3) |
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3 (2) |
Siliculae 2-seeded |
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Winklera |
+ |
Siliculae many seeded |
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Cochlearia |
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4 (1) |
Siliculae bilobed; valves of each lobe inflated, globose or subglobose (neither keeled nor winged) |
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(5) |
+ |
Siliculae ± compressed (rarely sub-inflated); valves boat shaped, ± keeled (winged or not) |
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(6) |
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5 (4) |
Valves membranous, smooth |
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Didymophysa |
+ |
Valves rigid, rugose, ± pitted |
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Coronopus |
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6 (4) |
Siliculae unilocular, indehiscent |
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(7) |
+ |
Siliculae bilocular, dehiscent (very rarely indehiscent), or breaking into two 1-seeded halves (rarely unilocular in some species of Aethionema ) |
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(8) |
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7 (6) |
Valves not coarsely veined; stigma sessile |
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Isatis |
+ |
Valves coarsely veined in the middle; style short but distinct |
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Sameraria |
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8 (6) |
Siliculae breaking into two 1-seeded halves, or indehiscent (sometimes sub-dehiscent) |
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(9) |
+ |
Siliculae dehiscent, usually leaving the seeds free |
|
(12) |
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9 (8) |
Siliculae indehiscent (rarely subdehiscent) |
|
(10) |
+ |
Siliculae breaking longitudinally into two 1-seeded
halves |
|
(11) |
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|
|
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10 (9) |
Siliculae many seeded |
|
Hedinia |
+ |
Siliculae 1 or 2 seeded |
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Cardaria |
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11 (9) |
Plants robust; siliculae winged; stamens many (more then 6 in our spp.) |
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Megacarpaea |
+ |
Plants short; siliculae not winged; stamens 6 |
|
Uranodactylus |
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12 (8) |
Siliculae not winged, usually many seeded (more than 10 seeded); seeds very small |
|
(13) |
+ |
Siliculae ± winged (wings inconspicuous in some species of Lepidium and Thlaspi), usually 2 seeded; seeds large |
|
(14) |
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13 (12) |
Plants erect, hairy with branched hairs; siliculae somewhat triangular |
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Capsella |
+ |
Plants generally procumbent, tender, glabrous; siliculae elliptic or obovate-elliptic |
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Hymenolobus |
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14 (12) |
Flowers irregular, with two petals slightly longer |
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Iberis |
+ |
Flowers regular |
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(15) |
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15 (14) |
Siliculae slightly or obscurely winged towards the apex, small, ± rounded or ovate; style usually minute or almost absent |
|
Lepidium |
+ |
Siliculae usually distinctly winged (rarely wings almost supressed in some species of Thlaspi), usually
larger and longer than broad; style distinct |
|
(16) |
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|
|
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16 (15) |
Stamen filaments not appendaged; siliculae often elongated with entire margin or wings |
|
Thlaspi |
+ |
Filaments of the longer four stamens generally appendaged (not in our single species); siliculae ±
suborbicular with denticulate margin or wing (in our
species) |
|
Aethionema |