Flora of North America species comparison

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Brassicaceae tribe Isatideae
Habit Annuals or biennials [perennials]; eglandular.
Cauline leaves

sessile [petiolate];

blade base auriculate [not auriculate], margins usually entire [dentate].
Trichomes

simple or absent.
Racemes

ebracteate, elongated in fruit.
Flowers

actinomorphic;

sepals erect or ascending [spreading], lateral pair not saccate or subsaccate basally;

petals yellow [white], claw usually present, rarely absent, obscure;

filaments unappendaged, not winged;

pollen 3-colpate.
Fruits

siliques or silicles (samaroid), indehiscent, unsegmented, angustiseptate, (woody);

ovules 1 or 2 per ovary;

style usually absent, rarely distinct;

stigma entire.
Seeds

aseriate;

cotyledons accumbent or incumbent.

Brassicaceae tribe Isatideae
Distribution
Europe; Asia; n Africa [Introduced in North America]
Discussion

Genera 2–4, species 90–95 (2 genera, 2 species in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 7, p. 567.
Parent taxa Brassicaceae
Subordinate taxa
Name authority de Candolle: Mém. Mus. Hist. Nat. 7: 241. (1821)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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