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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 fenestratus (Greene) J.T. Howell
Habit: Annual, glabrous. Stem: erect, (0.5)1--2(3.5) dm, simple or branched proximally. Leaf: rosetted, 1- or 2-pinnately divided; mid-cauline ovate to lanceolate, coarsely dentate or entire (pinnately lobed but not thread-like-segmented), leaf base lobed; distal clasping, entire. Inflorescence: open; terminal sterile flower cluster 0; bracted proximally or only between most proximal 1--2 flowers. Flower: calyx +- urn-shaped, sepals 5--7 mm, +- keeled or not, purple; petals 9--15 mm, 2.5--3.5 mm wide, not crinkled, rose-purple; filaments free, in 3 pairs of unequal length, longest pair 5--7 mm; fertile anthers 2--2.5 mm. Fruit: ascending to spreading (reflexed), 2--5 cm, 1.2--1.7 mm wide, not or +- constricted between seeds; valve midvein obscure; stigma entire; pedicels spreading, 2--7 mm, straight. Seed: 22--38, 1--1.5 mm, oblong; wing 0--0.1 mm wide at seed tip. Chromosomes: 2n=28.
Ecology: Granite ledges, sand, open mixed-conifer/oak woodland; Elevation: 1050--1800 m. Bioregional Distribution: s SNH (Kings River Canyon, Fresno Co.). Flowering Time: May--Jun
eFlora Treatment Author: Ihsan A. Al-Shehbaz
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Streptanthus farnsworthianus
Next taxon: Streptanthus glandulosus
Citation for this treatment: Ihsan A. Al-Shehbaz 2017. Streptanthus fenestratus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=45736, accessed on March 01, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on March 01, 2017.