TREATMENT FROM THE JEPSON MANUAL (1993) |
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©Copyright 1993 by the Regents of the University of California
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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.TEESDALIA
Annual, generally scapose; hairs 0 or simple
Leaves rosetted, petioled, generally dissected; cauline 0 or few, sessile
Flower: sepals glabrous; petals not clawed, white; stamens 4 or 6, filaments with a white basal scale
Fruit ± round, flat perpendicular to septum, winged above, dehiscent; pedicel flared to cup-like tip; styles short or 0
Seeds 2 per chamber; wing 0
Species in genus: 2 species: Eur
Etymology: (R. Teesdale, English botanist, horticulturist, 17401804)
Introduced T. coronopifolia (Bergeret) Thell.
Plant slender, glabrous
Leaf 15 cm, narrowly oblanceolate, pinnately few-lobed to entire
Inflorescence dense; peduncles erect or ascending, 1several, 616 cm
Flower: sepals widely ovate; petals ± equal, narrowly obovate or tongue-shaped; stamens 4
Fruit 34 mm, widely obovate to obcordate; tip shallowly notched; pedicel ± ascending to ± reflexed; style 0
Chromosomes: 2n=36
Ecology: Uncommon. Wet, disturbed areas
Elevation: < 100 m.
Bioregional distribution: s Outer North Coast Ranges (Sonoma Co.)
Distribution outside California: native to Europe
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