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|Jepson eFlora: Taxon page
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|Family: Brassicaceae (Cruciferae)||View Description||Dichotomous Key|
|Genus: Streptanthus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Streptanthus longisiliquus G.L. Clifton & R.E. Buck
Habit: Perennial herb, short-lived, glabrous except sepals, occasionally petioles; caudex simple or few-branched. Stem: 2.2--12(15) dm, few-branched. Leaf: petioles glabrous (ciliate); basal rosetted in youth, obovate to spoon-shaped; mid-cauline sessile, 2.5--10 cm, broadly oblong to ovate or +- round, entire, base clasping; distal reduced. Inflorescence: open; terminal sterile flower cluster 0. Flower: calyx +- bell-shaped, sepals 6--8 mm, oblong, not keeled, +- yellow-green proximally, purple distally, tufted-hairy proximal to tip; petals 8--12 mm, 0.5--0.8 mm wide, purple to +- brown, proximal halves yellow-green; filaments free, in 3 pairs of unequal length, longest pair 7--10 mm; anthers fertile, 3.5--5 mm. Fruit: recurved, descending, 5--13(15) cm, 2--2.5 mm wide, +- constricted between seeds; valves glabrous, midvein distinct; stigma entire; pedicels spreading-ascending, 5--10 mm, straight. Seed: 50--82, 2.2--3 mm, oblong; wing 0.1--0.4 mm wide, continuous.
Ecology: Openings in pine forest, oak woodland; Elevation: 400--1700 m. Bioregional Distribution: e KR, CaR. Flowering Time: May--Jul
eFlora Treatment Author: Ihsan A. Al-Shehbaz
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Streptanthus insignis subsp. lyonii
Next taxon: Streptanthus morrisonii
Citation for this treatment: Ihsan A. Al-Shehbaz 2016. Streptanthus longisiliquus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=82343, accessed on August 30, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 30, 2016.