Common Name: MUSTARD FAMILY Habit: 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. Genera In Family: +- 330 genera, 3780 species: worldwide, especially temperate. Note: 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 NCoR, Carrichtera annua (L.) DC. in SCo, Iberis sempervirens L., Iberis umbellata L. in PR, Teesdalia coronopifolia (Bergeret) Thell., Teesdalia nudicaulis (L.) W.T. Aiton in southern NCoRO, CCo. Cardaria, Coronopus moved to Lepidium; Caulostramina to Hesperidanthus; Guillenia to Caulanthus; Heterodraba to Athysanus; California taxa of Lesquerella to Physaria; Malcolmia africana to Strigosella. eFlora Treatment Author: Ihsan A. Al-Shehbaz, except as noted Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Habit: Annual to perennial herb, generally cushion- or mat-forming, occasionally scapose, hairs simple, forked, or many-branched. Leaf: basal generally rosetted; cauline entire or shallowly toothed, base generally not lobed, occasionally 0. Inflorescence: generally many-flowered, elongated or not; bracts generally 0. Flower: sepals bases equal; petals generally short-clawed, yellow or white (lavender or red). Fruit: silique or silicle, dehiscent, linear to lanceolate or ovate, occasionally ovoid or spheric, cylindric or flat parallel to septum, unsegmented; stigma entire. Seed: in 2 rows; wing generally 0. Etymology: (Greek: acrid, describing taste of crucifer leaves) eFlora Treatment Author: Ihsan A. Al-Shehbaz Reference: Al-Shehbaz & Windham 2007 Harvard Pap Bot 12:409--419 Unabridged Reference: Beilstein & Windham 2003 Syst Bot 28:584--592; Hitchcock 1941 Univ Washington Publ Biol 11:1--132; Koch & Al-Shehbaz 2002 Ann Missouri Bot Gard 89:88--109; Rollins & Price 1988 Aliso 12:17--27; Schulz 1927 Pflanzenreich IV 105(Heft 89):1--396
Draba cuneifolia Nutt. ex Torr. & A. Gray
NATIVE Habit: Annual, occasionally scapose. Stem: (2)3--27(37) cm, simple, hairs 2--4(5)-rayed, base with simple hairs. Leaf: basal not rosetted, (0.4)1--3.5(5) cm, oblanceolate to broadly obovate, dentate, hairs stalked, 2--4-rayed, occasionally mixed with simple; cauline leaves 0--6. Inflorescence: 10--50(70)-flowered, elongated to +- congested, not umbel-like; axis hairs 2--4-rayed; pedicels (1)2--7(10) mm, hairy. Flower: sepals 1.5--2.5 mm; petals (2)2.5--4.5(5) mm, 1--2 mm wide, white, or late-season flower petals 0. Fruit: (3)6--12(16) mm, 1.7--2.7(3) mm wide, oblong to linear or broadly ovate, flat, not twisted, hairs simple or 2--4-rayed (glabrous); style to 0.4 mm. Seed: (12)24--66(72), 0.5--0.7 mm, ovoid. Chromosomes: 2n=16,32. Ecology: Open or disturbed places; Elevation: < 2100 m. Bioregional Distribution: s SN, SnJV, SW, W&I, D; Distribution Outside California: western United States, northern Mexico. Flowering Time: Jan--May Synonyms: Draba cuneifolia var. cuneifolia; Draba cuneifolia var. integrifolia S. Watson; Draba cuneifolia var. sonorae (Greene) Parish Unabridged Note: 3 +- distinct varieties, all occurring in southern California: Draba cuneifolia var. cuneifolia (eastern & southwestern United States, northern Mexico) has fruits with simple hairs; Draba cuneifolia var. integrifolia S. Watson (to Utah, Texas, northern Mexico) has fruits 7--12 mm, 20--44-seeded, with (2)4-rayed hairs; Draba cuneifolia var. sonorae (Greene) Parish (Arizona, northern Mexico) has fruits 3--6(8) mm, 12--24-seeded, with (2)4-rayed hairs. Jepson eFlora Author: Ihsan A. Al-Shehbaz Reference: Al-Shehbaz & Windham 2007 Harvard Pap Bot 12:409--419 Index of California Plant Names (ICPN; linked via the Jepson Online Interchange) Previous taxon: Draba cruciata Next taxon: Draba densifolia
Citation for this treatment: Ihsan A. Al-Shehbaz 2012, Draba cuneifolia, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=23332, accessed on April 19, 2024.
Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 19, 2024.
Geographic subdivisions for Draba cuneifolia:
s SN, SnJV, SW, W&I, D
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(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).
Data provided by the participants of the
Consortium of California Herbaria.
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