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BRASSICACEAE

MUSTARD FAMILY

Reed C. Rollins, except as specified

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 1–many 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 80:686–699; Rollins 1993 Cruciferae of Continental North America. Stanford Univ Press]
Family description, key to genera by Robert A. Price.

COCHLEARIA

SCURVEYGRASS

Annual, biennial, perennial herb, low, ± fleshy, glabrous, taprooted
Leaves simple, thick
Flower: petals obovate to wedge-shaped, white, yellowish, or purplish
Fruit ± inflated, flat perpendicular to septum, sessile above receptacle, opening from base; valves 1-veined; stigma head-like
Seeds 2 rows per chamber; embryonic root at edges of both cotyledons
Species in genus: ± 20 species: generally n coasts
Etymology: (Latin: spoon, from basal leaves of some species)

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