TREATMENT FROM THE JEPSON MANUAL (1993) |
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Annual to subshrub
Leaves generally basal and cauline, alternate, generally simple; stipules 0
Inflorescence: generally raceme
Flower bisexual; sepals 4, free; petals (0)4, free, generally white or yellow, often clawed; stamens generally (2,4)6, generally 4 long, 2 short; ovary 1, superior, chambers generally 2, septum membranous, connecting 2 parietal placentas, style 1, stigma simple or 2-lobed
Fruit: generally capsule ("silique") with 2 deciduous valves, sometimes breaking transversely or indehiscent
Seeds 1many per chamber
Genera in family: 300+ genera, 3000+ species: worldwide, especially cool regions; some cultivated for food (especially Brassica, Raphanus ) and ornamental
Recent taxonomic note: Recently treated to include Capparaceae [Rodman et al. 1993 Ann Missouri Bot Gard 80:686699; Rollins 1993 Cruciferae of Continental North America. Stanford Univ Press]
Family description, key to genera by Robert A. Price.CHORISPORA
Annual to perennial herb; hairs simple, generally glandular and not
Leaves entire to pinnately lobed; basal not rosetted
Inflorescence: bracts 0
Flower: inner sepals sac-like at base; petals purplish blue to white or yellow; anthers ± exserted
Fruit cylindric, sessile above receptacle, tapered to sharp beak, indehiscent but breaking into 1-seeded segments
Seeds: 1 row per chamber, ± flat, embedded in cavities of septum; embryonic root at edges of both cotyledons
Species in genus: ± 12 species: Eurasia
Etymology: (Latin: from breaking between seeds)
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