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Vascular Plants of California
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Streptanthus vimineus


Higher Taxonomy
Family: Brassicaceae (Cruciferae)View DescriptionDichotomous Key
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.
Genus: StreptanthusView DescriptionDichotomous Key


Common Name: JEWELFLOWER
Habit: 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.
Species In Genus: 35 species: southwestern United States, northern Mexico. Etymology: (Greek: twisted flower, from wavy-margined petals)
eFlora Treatment Author: Ihsan A. Al-Shehbaz
Streptanthus vimineus (Greene) Al-Shehbaz & D.W. Taylor
NATIVE
Habit: Annual, glabrous except occasionally sepals. Stem: erect, 1--7.5 dm, branched above base. Leaf: basal not rosetted, early-deciduous, narrowly ovate to oblong, entire; mid-cauline sessile, 2--12 cm, linear to narrowly lance-linear, entire, base lobed; distal similar, reduced. Inflorescence: open, generally 1-sided; terminal sterile flower cluster 0. Flower: calyx urn-shaped, sepals 6--8 mm, lance-ovate, keeled, recurved at tip, +- green to +- purple (sparsely hairy); petals 8--12 mm, 2--3 mm wide, unequal, adaxial pair > lower, not crinkled, white, veins purple; filaments in 3 pairs of unequal length; longest pair completely fused, 7--11 mm, recurved, lower pair 4--7 mm, fused proximally; fertile anthers 2--2.7 mm. Fruit: spreading, 3.5--6.5 cm, 1--1.2 mm wide, recurved, +- constricted between seeds; valves glabrous, midvein obscure; stigma entire; pedicel spreading, 1--3(6) mm, straight. Seed: 28--40, 1--1.5 mm, narrowly oblong; wing 0--0.1 mm wide at tip.
Ecology: Serpentine grassland, ridges, barrens, openings in chaparral; Elevation: 250--800 m. Bioregional Distribution: NCoRI (Colusa, Lake, Napa cos.). Flowering Time: May--Jul
Jepson eFlora Author: Ihsan A. Al-Shehbaz
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Citation for this treatment: Ihsan A. Al-Shehbaz 2012, Streptanthus vimineus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=88833, accessed on October 19, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on October 19, 2019.

No expert verified images found for Streptanthus vimineus.



Geographic subdivisions for Streptanthus vimineus:
NCoRI (Colusa, Lake, Napa cos.).
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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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Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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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.