Brassicaceae tribe Alysseae |
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Habit | Annuals, biennials, or perennials [shrubs]; eglandular. |
Cauline leaves | petiolate or sessile; blade base not auriculate, margins usually entire. |
Trichomes | short-stalked or sessile and stellate, or distinctly stalked and subdendritic or forked, sometimes mixed with simple ones. |
Racemes | ebracteate [bracteate], often elongated in fruit. |
Flowers | actinomorphic; sepals erect to spreading, lateral pair seldom saccate basally; petals white or yellow [orange, pink, or purple], claw present, usually distinct; filaments appendaged, winged (toothed), or unappendaged; pollen 3-colpate. |
Fruits | silicles, dehiscent, unsegmented, latiseptate or terete; ovules 2–16(–20) per ovary; style distinct; stigma usually entire, rarely 2-lobed. |
Seeds | biseriate or aseriate, rarely uniseriate; cotyledons accumbent or incumbent, rarely oblique. |
Brassicaceae tribe Alysseae |
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Distribution | North America; Eurasia; n Africa |
Discussion | Genera 13, species ca. 255 (3 genera, 9 species in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 7, p. 247. |
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Subordinate taxa | |
Name authority | de Candolle: Mém. Mus. Hist. Nat. 7: 231. (1821) |
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