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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Brassicaceae (Cruciferae)||View Description||Dichotomous Key|
|Genus: Streptanthus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Streptanthus barbatus S. Watson
Habit: Perennial herb, generally glabrous, caudex woody. Stem: 1.5--8(9.2) dm, simple or few-branched, glabrous. Leaf: stiff-hairy at tooth tips; basal obovate, short-petioled; mid-cauline 0.7--3.5 cm, 0.5--2.4 cm wide, round to broadly ovate, bases clasping; distal similar in size, shape. Inflorescence: open; terminal sterile flower cluster 0. Flower: calyx bell-shaped, sepals 4--7 mm, +- yellow-green in bud, purple in flower, tips hairy; petals 5--9 mm, 0.3--0.7 mm wide, +- crinkled, purple, veins darker; filaments free, in 3 pairs of unequal length; anthers 2.5--5 mm. Fruit: recurved, 2--7(8) cm, 2--3 mm wide, not constricted between seeds, valves glabrous; stigma entire; pedicels erect to ascending, 3--8 mm. Seed: 16--30, 3--4 mm; wing 0.1--0.25 mm wide at tip, oblong to broadly ovate, or 0. Chromosomes: 2n=28,56.
Ecology: Serpentine, rocky, open Jeffrey-pine forest; Elevation: 800--2200 m. Bioregional Distribution: KR (Siskiyou, Tehama, Trinity cos.). Flowering Time: Jun--Aug
eFlora Treatment Author: Ihsan A. Al-Shehbaz
Jepson Online Interchange
Previous taxon: Streptanthus
Next taxon: Streptanthus barbiger
Citation for this treatment: Ihsan A. Al-Shehbaz 2016. Streptanthus barbatus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=45719, accessed on December 06, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 06, 2016.