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|Jepson eFlora: Taxon page
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|Family: Convolvulaceae||View Description||Dichotomous Key|
|Genus: Cuscuta||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Cuscuta occidentalis Millsp.
Inflorescence: head-like, flowers 3--30; pedicels 0--0.5(1.5) mm. Flower: 2.7--3.4 mm, membranous, generally not papillate, parts in 5s; calyx +- = corolla tube, bell-shaped, divided 2/5--1/2, not veined, generally shiny, lobes lanceolate to narrowly ovate, bases not overlapped, margins entire, tip acuminate; corolla tube 1.4--2.1 mm, cylindric to bell-shaped, bulged below lobes, scales 0, lobes erect, spreading (reflexed) in age, 3/4 to = tube, lanceolate, margins entire, tip acuminate, straight; filaments 0.3--0.6 mm, anthers +- exserted, 0.25--0.5 mm, widely elliptic; styles 0.5--1(1.5) mm, < ovary. Fruit: 1.8--2.2 mm, 2--2.6 mm wide, spheric to spheric-depressed, +- thickened, not raised around opening between styles, translucent, surrounded by corolla. Seed: 2--4, 0.85--1.3 mm, 0.8--1.1 mm wide, +- spheric to widely elliptic.
Ecology: Generally on herbs; Elevation: < 2000 m. Bioregional Distribution: NW, c SNH, GV, CW, SNE; Distribution Outside California: to Washington, Colorado, Mexico. Flowering Time: Mar--Sep
Synonyms: Cuscuta californica var. breviflora Engelm.
eFlora Treatment Author: Mihai Costea & Saša Stefanović
Jepson Online Interchange
Previous taxon: Cuscuta obtusiflora var. glandulosa
Next taxon: Cuscuta pacifica
Citation for this treatment: Mihai Costea & Saša Stefanović 2016. Cuscuta occidentalis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=21423, accessed on April 29, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on April 29, 2016.