Jepson Herbarium
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Indexes to all accepted names and synonyms: | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |

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 Medit area, mtns of sw Asia, adjacent c Asia, w 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 c 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 s NCoRO, CCo. Cardaria, Coronopus moved to Lepidium; Caulostramina to Hesperidanthus; Guillenia to Caulanthus; Heterodraba to Athysanus; CA taxa of Lesquerella to Physaria; Malcolmia africana to Strigosella. —Scientific Editors: Douglas H. Goldman, Bruce G. Baldwin.

Key to Brassicaceae

Annual to perennial herb, generally ± glaucous; hairs simple or 0.
Leaf: basal rosetted or not, petioled, entire or dentate to pinnately lobed or divided; cauline sessile, occasionally petioled, base generally lobed or clasping.
Inflorescence: elongated.
Flower: radial or bilateral; calyx urn- or occasionally bell-shaped, sepals erect, base ± sac-like, keeled or not; petal blade narrower to wider than proximal 1/2, generally channeled, margins ± crinkled or not; stamens in 3 pairs of unequal length, or 4 long and 2 short, longest filaments fused or free.
Fruit: silique, dehiscent, linear, flat parallel to septum, unsegmented; stigma entire or 2-lobed.
Seed: 10–120, in 1 row, generally winged.
35 species: sw US, n Mex. (Greek: twisted flower, from wavy-margined petals)

Annual, stiff-hairy basally ( glabrous throughout).
Stem: (0.8)1.5–9(12) dm, simple to branched throughout.
Leaf: basal not rosetted, petioled, early- deciduous, coarsely dentate to ± lobed; mid- cauline sessile, 1–12 cm, lance- linear to oblanceolate, entire to coarsely dentate, leaf base lobed to clasping; distal similar, reduced, generally entire.
Inflorescence: open, 1-sided or not; terminal sterile flower cluster 0.
Flower: calyx bilateral, sepals (3)5–10(13) mm, lanceolate to broadly ovate, white to yellow, rose, purple, or purple-black, glabrous or bristles sparse; petals 7–17 mm, 1–3 mm wide, ± equal or adaxial pair longer, crinkled; filaments in 3 pairs of unequal length; longest pair fused, 5–13 mm; fertile anthers 1–2.5 mm.
Fruit: ascending to spreading or reflexed, 3–11 cm, 1.5–2.5 mm wide, straight or curved, not constricted between seeds; valve midveins distinct, glabrous or sparsely to moderately hairy; stigma ± entire; pedicels ascending to spreading, 0.2–3.2 cm.
Seed: 22–70, 1.5–2.1 mm, ovate to oblong; wing continuous, 0.1–0.5 mm wide. 8 subspp. recognized, 7 in CA, most local. [Online Interchange]
Unabridged note: Streptanthus glandulosus subsp. josephinensis endemic to sw OR. The following (and possibly other) accessions, if verified and determined to subspp., would represent range extensions (as indicated): UC1292763 (CaRF).

Stem: 1–10 dm, densely to moderately bristly proximally, less distally.
Leaf: cauline densely to sparsely bristly; distal entire or minutely dentate.
Inflorescence: not 1-sided, axis straight; pedicels 3–15 mm, sparsely hairy or glabrous.
Flower: sepals 5–13 mm, ± red-purple to dark maroon or lilac-lavender, sparsely hairy or glabrous; petals 8–17 mm, lavender to purple, veins darker or not; longest filaments 8–13 mm.
Fruit: ascending to spreading or reflexed, straight to recurved, glabrous or sparsely hairy.
Serpentine or metamorphic (Franciscan formation), rocky, generally barren slopes, chaparral openings, steep woodland; 150–1400 m. s Outer North Coast Ranges (uncommon), s High North Coast Ranges, s Inner North Coast Ranges, San Francisco Bay Area, Outer South Coast Ranges (uncommon), n&c Inner South Coast Ranges.

Previous taxon: Streptanthus glandulosus subsp. albidus
Next taxon: Streptanthus glandulosus subsp. hoffmanii

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].

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Bioregions in which taxon occurs	Red area (if present) is the part of the bioregion lying between the upper and lower elevation limits of the taxon; 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.
Chart based on elevation range in Manual and elevations and coordinates of CCH records. Data provided by the participants of the Consortium of California Herbaria. Note: About half of the CCH records include both elevation and coordinates.	Map made in collaboration with Scott Loarie. Data provided by the participants of the Consortium of California Herbaria. View all CCH records   CCH collections by month Duplicates counted once; synonyms included. Species do not include records of infraspecific taxa. Blue line denotes Manual flowering time.