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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Annual to shrub; sap pungent, watery. Leaf: generally simple, alternate; generally both basal, cauline; stipules 0. Inflorescence: generally raceme, generally not bracted. Flower: bisexual, generally radial; sepals 4, generally free; petals (0)4, forming a cross, generally white or yellow to purple; stamens generally 6 (2 or 4), 4 long, 2 short (3 pairs of unequal length); ovary 1, superior, generally 2-chambered with septum connecting 2 parietal placentas; style 1, stigma entire or 2-lobed. Fruit: capsule, generally 2-valved, "silique" (length >= 3 × width) or "silicle" (length < 3 × width), dehiscent by 2 valves or indehiscent, cylindric or flat parallel or perpendicular to septum, segmented or not. Seed: 1–many, in 1 or 2 rows per chamber, winged or wingless; embryo strongly curved.
± 330 genera, 3780 species: worldwide, especially temperate. [Al-Shehbaz et al. 2006 Plant Syst Evol 259:89–120] Highest diversity in Mediterranean area, mountains of southwestern Asia, adjacent central Asia, western North America; some Brassica species are oil or vegetable crops; Arabidopsis thaliana used in experimental molecular biology; many species are ornamentals, weeds. Aurinia saxatilis (L.) Desvaux in cultivation only. Aubrieta occasional waif in central North Coast Ranges, Carrichtera annua (L.) DC. in South Coast, Iberis sempervirens L., Iberis umbellata L. in Peninsular Ranges, Teesdalia coronopifolia (Bergeret) Thell., Teesdalia nudicaulis (L.) W.T. Aiton in southern Outer North Coast Ranges, Central Coast. Cardaria, Coronopus moved to Lepidium; Caulostramina to Hesperidanthus; Guillenia to Caulanthus; Heterodraba to Athysanus; California taxa of Lesquerella to Physaria; Malcolmia africana to Strigosella. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.
Key to Brassicaceae
Perennial herb, cespitose to prostrate; caudex many-branched; smaller hairs stellate, coarser simple or stalked-forked. Leaf: cauline petioled, dentate or entire, not basally lobed. Inflorescence: flowers many, terminal. Flower: sepal base sac-like; petals purple to pink (white), long-clawed; filaments of outer pair dentate-appendaged at base. Fruit: dehiscent, unsegmented, flat parallel to septum or cylindric; valves hairy. Seed: in 2 rows per chamber, wingless.
15 species: southern Europe, southwestern Asia. (C. Aubriet, French artist, 1663–1743)
Forming mats or cushions, densely hairy. Stem: branched proximally, prostrate to ascending, 0.7–3(5) dm. Leaf: basal and cauline spoon-shaped to obovate, entire to coarsely dentate. Flower: sepals 6–10 mm; petals (10)15–28 mm, 4–7(8) mm wide, purple to violet (white). Fruit: silique, 7–20(28) mm, 2–4(4.8) mm wide, cylindric or ± flat, hairs bristly; style 4–12 mm; pedicel erect to ascending, 5–12(16) mm. Seed: 1.2–1.6 mm, ovoid.
2n=16. Open, disturbed area; ± 2000 m. High North Coast Ranges (Hull Mtn); native to Europe.
Unabridged note: Collected once in 1950s, from stone steps leading to fire lookout house on Hull Mtn.
Apr–Jun [Online Interchange]
Previous taxon: Aubrieta
Next taxon: Barbarea
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 11 2014
Citation for this treatment: [Author of taxon treatment] 2012. Aubrieta, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=77188, accessed on Mar 11 2014
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