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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 drepanoides Kruckeb. & J.L. Morrison
Habit: Annual, generally glabrous. Stem: erect, 0.4--3.5(4.5) dm, base simple or branched. Leaf: basal not rosetted, round, teeth few, blunt; mid-cauline sessile, 1.3--9 cm, 1--7.5 cm wide, round to broadly ovate, succulent, entire to shallowly dentate, base lobed to cordate; distal similar, reduced. Inflorescence: dense; terminal sterile flower cluster 0. Flower: calyx urn-shaped, sepals 5--7 mm, ovate, +- green-yellow or +- purple, tips glabrous or hairy; petals 7--10 mm, 1--1.5 mm wide, upper +- white or with purple-veins, lower +- purple; filaments in 3 pairs of unequal length; longest pair fused, 8--10 mm, lower pair fused +- proximally; fertile anthers 1.8--2.5 mm. Fruit: spreading, 3--9 cm, 1--1.2 mm wide, strongly curved, +- constricted between seeds or not; pedicels +- ascending, 1.4--5 mm, straight. Seed: 30--50, 1--1.5 mm, oblong; wing 0 or to 0.1 mm wide at seed tip. Chromosomes: 2n=28.
Ecology: Open chaparral or Jeffrey-pine woodland, on serpentine; Elevation: 250--1800 m. Bioregional Distribution: s-most KR, NCoRH, n NCoRI, n SNF (Butte Co.). Flowering Time: May--Jul
eFlora Treatment Author: Ihsan A. Al-Shehbaz
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Streptanthus diversifolius
Next taxon: Streptanthus farnsworthianus
Citation for this treatment: Ihsan A. Al-Shehbaz 2017. Streptanthus drepanoides, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=45734, accessed on February 22, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 22, 2017.