|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Brassicaceae (Cruciferae)||View Description||Dichotomous Key|
|Genus: Erysimum||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Erysimum capitatum (Hook.) Greene
Habit: Biennial or short-lived perennial herb. Stem: (0.5)1.2--10(12) dm. Leaf: 0.3--1.5(3) cm wide, linear to spoon-shaped or oblanceolate, flat, entire or dentate, hairs 2--4(7)-rayed; distal cauline sessile or short-petioled, entire or dentate. Flower: sepals 7--14 mm; petals 12--25(30) mm, (5)6--10(13) mm wide, orange to yellow (lavender to +- purple), claw 8--16 mm. Fruit: 3.5--11(15) cm, 1.3--3.3 mm wide, 4-angled or flat parallel to septum, not constricted between seeds; valves outside with 2--5-rayed hairs, inside glabrous, midvein distinct; style 0.2--2.5(3) mm; pedicels spreading to ascending, 4--17(25) mm. Seed: (40)54--82, 1.5--4 mm, oblong, tip winged or 0. Chromosomes: 2n=36.
Note: Highly variable, most widespread sp. in California, of diverse habitats. Occasionally divided into several infraspecific taxa based on overlapping leaf characters.
Unabridged Note: Expanded author citation: Erysimum capitatum (Douglas ex Hook.) Greene
eFlora Treatment Author: Ihsan A. Al-Shehbaz
Jepson Online Interchange
Previous taxon: Erysimum ammophilum
Next taxon: Erysimum capitatum var. capitatum
Citation for this treatment: Ihsan A. Al-Shehbaz 2016. Erysimum capitatum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=25113, accessed on February 10, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 10, 2016.