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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
1 sp. (A. Nelson, Rocky Mtns botanist, 1859–1952)
Perennial herb, scapose, cespitose; caudex many-branched; hairs stalked, many-branched. Stem: 1–4 cm, several from rosette. Leaf: basal, dense, overlapped, entire, canescent, linear to broadly oblanceolate, base tapered; cauline 0. Inflorescence: scapose, umbel-like. Flower: sepals erect, 4–5 mm, base not sac-like; petals 4.5–6 mm, white to ± purple. Fruit: 1.5–3 cm, 5–9 mm wide, lanceolate to oblong or ovate, ± purple, dehiscent, unsegmented, flat parallel to septum, glabrous; base ± obtuse or rounded, tip ± tapered, sharp-pointed; valves leathery; style 1–2 mm, stigma entire; pedicel erect to ascending, 4–15 mm. Seed: 10–24, 2–3 mm, ± flat, oblong to ovate, 2 rows per chamber; coat silvery, hairs dense, minute, club-shaped.
2n=14. Broken rock, talus, slopes, ridges; 1600–4100 m. High Sierra Nevada, East of Sierra Nevada; to Idaho, Nevada. Jun–Jul [Online Interchange]
Unabridged synonyms: [Draba eurycarpa A. Gray; Phoenicaulis eurycarpa (A. Gray) Abrams]
Previous taxon: Anelsonia
Next taxon: Arabidopsis
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Mar 10 2014
Citation for this treatment: [Author of taxon treatment] 2012. Anelsonia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=13340, accessed on Mar 10 2014
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© 2006 Steve Matson
|Bioregions in which Anelsonia eurycarpa occurs|| Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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