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Stanleya pinnata var. pinnata

Higher Taxonomy
Family: Brassicaceae (Cruciferae)View DescriptionDichotomous Key

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.
Genus: StanleyaView DescriptionDichotomous Key

Habit: [Annual] perennial herb, subshrub; hairs 0 or simple, glaucous. Leaf: basal, proximal-most cauline petioled, simple to entire or 1(2)-pinnately lobed; middle, distal cauline petioled to sessile, base occasionally lobed or sagittate. Inflorescence: dense, elongated. Flower: sepals oblong to linear, spreading to reflexed, base not sac-like; petals yellow to white, long-clawed; filaments equal; anthers linear, coiled. Fruit: silique, dehiscent, linear, flat parallel to septum or cylindric, unsegmented; stalk above receptacle [0.4]0.6--2.8 cm; style 0 or short, stigma entire. Seed: 10--70, in 1 row, oblong, wingless.
Species In Genus: 7 species: western United States. Etymology: (E.S. Stanley, English ornithologist, 1775--1851) Toxicity: Concentrates selenium to TOXIC levels, rarely eaten.
eFlora Treatment Author: Ihsan A. Al-Shehbaz

Stanleya pinnata (Pursh) Britton var. pinnata
Habit: Perennial herb to subshrub. Stem: (1.2)3--12(15.3) dm, glaucous, hairs 0 or sparse; base branched, woody. Leaf: basal, proximal cauline 3--15 cm, 2--5 cm wide, oblanceolate to wide-lanceolate or ovate, pinnately lobed; distal cauline entire or few-lobed, base not lobed. Inflorescence: 1--3 dm, dense; buds +- yellow. Flower: sepals 8--16 mm; petals 8--20 mm, 2--3 mm wide, yellow, claw 4--10 mm, densely hairy inside; filament base hairy. Fruit: 3--9 cm, 1.5--3 mm; stalk above receptacle 7--28 mm; pedicel spreading, 3--11 mm, hairs 0 or few. Seed: (10)28--38, 2.5--4.5 mm, oblong. Chromosomes: 2n=28,56.
Ecology: Chaparral, open sites, slopes, canyons, desert scrub, woodland, dunes; Elevation: < 2900 m. Bioregional Distribution: s SNF, SnJV, SCoR, SCo, WTR, SnGb, PR, GB, DMoj; Distribution Outside California: to Oregon, Montana, Kansas, New Mexico. Flowering Time: Apr--Sep Note: Stanleya pinnata var. inyoensis based on subshrubby pls, but these sporadic throughout range.
Synonyms: Stanleya pinnata subsp. inyoensis Munz & Roos; Stanleya pinnata var. inyoensis (Munz & J.C. Roos) Reveal;
Unabridged Note: Stanleya pinnata var. integrifolia (E. James) Rollins in Wyoming, Colorado, Nevada, Utah; Stanleya pinnata var. texana B.L. Turner in Texas have entire proximal leaves.
Jepson eFlora Author: Ihsan A. Al-Shehbaz
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botanical illustration including Stanleya pinnata var. pinnata


Citation for this treatment: Ihsan A. Al-Shehbaz 2012, Stanleya pinnata var. pinnata, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on December 10, 2018.

Citation for the whole project: Jepson Flora Project (eds.) 2018, Jepson eFlora,, accessed on December 10, 2018.

Stanleya pinnata var. pinnata
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© 2011 Steve Matson
Stanleya pinnata var. pinnata
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© 2015 Steve Matson
Stanleya pinnata var. pinnata
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© 2016 Aaron Schusteff
Stanleya pinnata var. pinnata
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© 2002 Gary A. Monroe
Stanleya pinnata var. pinnata
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© 2011 Steve Matson
Stanleya pinnata var. pinnata
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© 2014 Neal Kramer

More photos of Stanleya pinnata var. pinnata in CalPhotos

Geographic subdivisions for Stanleya pinnata var. pinnata:
s SNF, SnJV, SCoR, SCo, WTR, SnGb, PR, GB, DMoj;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
map of distribution 1
(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).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.