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Family :

BRASSICACEAE

Division :

Angiosperm

Description


Annual, biennial or perennial herbs, subshrubs or shrubs. Stem erect or prostrate. Leaves alternate, exstipulate, simple, entire or variously pinnately dissected, petiolate or sessile. Inflorescence ebracteate or bracteate racemes, corymbs or panicles, or solitary on long pedicels from axils of rosette leaves. Flowers bisexual, hypogynous, actinomorphic. Sepals 4, in 2 decussate pairs, free or rarely united. Petals 4, alternate with sepals, arranged in form of a cross. Stamens 6, in 2 whorls, tetradynamous. Ovary superior, sessile or borne on a distinct gynophore, 2-locular and with a false septum connecting 2 placentae, parietal, 1-many per locule, style 1, stigma capitate or 2-lobed. Fruit capsule, siliqua or silicula, dehiscent or indehiscent, or schizocarpic, lomentaceous or samaroid. Seeds uni- or biseriately arranged in each locule.

Key to the Genus

Serial Key Reference
1a. Pods dehiscing, not hollow or transversely septate 2
1b. Pods not dehiscing, hollow or transversely septate Raphanus
2a. Pods dehiscing and bearing seeds throughout their length; sepals not pouched at base 3
2b. Pods with a seedless indehiscent beak, sepals pouched at base Brassica
3a. Pods almost cylindric; seds globose, 2-seriate or irregularly 1-seriate; flowers yellow Rorippa
3b. Pods flattened, seeds compressed, 1-seriate; flowers white Cardamine