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 subumbellata Rollins & R.A. Price
NATIVE Habit: Perennial herb, tufted, cushion-forming, scapose. Stem: unbranched, (0.5)1--2.5 cm, hairs dense throughout, +- gray, stalked, tree-like, 5--12-rayed. Leaf: 1.5--4 mm, obovate to widely oblong, entire, not ciliate, hairs of both surfaces like those of stem, adaxial hairs occasionally also long-stalked, spurred; cauline leaves 0. Inflorescence: 2--5(10)-flowered, umbel-like in fruit; axis as hairy as stem; pedicels 1.5--3(6) mm. Flower: sepals 1.8--2.8 mm; petals 2.8--4 mm, 1--1.5 mm wide, yellow. Fruit: 2--5 mm, 2--3 mm wide, ovoid or lance-ovoid, inflated at base, flattened near tip, not twisted, hairs short-stalked, tree-like, 4--12-rayed; style 0.2--0.6 mm. Seed: 6--12, oblong, 1--1.2 mm. Ecology: Talus, among rocks; Elevation: 3300--4100 m. Bioregional Distribution: s SNH (e slope, nw Inyo Co.), n W&I (White Mtns, Mono Co.). Flowering Time: Jul--Aug 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) Listed on CNPS Rare Plant Inventory Previous taxon: Draba sierrae Next taxon: Draba verna
Botanical illustration including Draba subumbellata
Citation for this treatment: Ihsan A. Al-Shehbaz 2012, Draba subumbellata, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=23439, accessed on October 07, 2024.
Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on October 07, 2024.
Geographic subdivisions for Draba subumbellata:
s SNH (e slope, nw Inyo Co.), n W&I (White Mtns, Mono Co.).
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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 occurrence).
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Duplicates counted once; synonyms included.
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Blue line denotes eFlora flowering time (fruiting time in some monocot genera).
