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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
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|Family: Orobanchaceae||View Description||Dichotomous Key|
|Genus: Orobanche||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Orobanche uniflora L.
Stem: 0.5--5 cm. Inflorescence: generally raceme; flowers generally 1--3; bracts generally < 6, generally glabrous; pedicels 3--12 cm, scapose, bractlets 0. Flower: calyx lobes 5, generally 4--8 mm, > tube, narrowly triangular; corolla 12--35 mm, +- horizontal, generally pale +- purple to +- yellow, lobes generally rounded, minutely ciliate; anthers generally hairy; stigma lobes 2, margins recurved; orange nectary gland at base of ovary. Chromosomes: 2n=36,48,+-70.
Ecology: Generally moist places, on herbs, especially Sedum, Saxifragaceae, Asteraceae; Elevation: < 3100 m. Bioregional Distribution: NW, CaR, SN, ScV (Sutter Buttes), CW, SCo, n ChI, Wrn; Distribution Outside California: to Yukon Territory, eastern North America. Flowering Time: Apr--Jul Note: If recognized taxonomically, plants < 20 cm of northern and central California to Canada with corollas deep violet, 25--35 mm, assignable to Orobanche uniflora var. purpurea (A. Heller) Achey.
eFlora Treatment Author: Alison E.L. Colwell & Lawrence R. Heckard
Jepson Online Interchange
Previous taxon: Orobanche ramosa
Next taxon: Orobanche valida
Citation for this treatment: Alison E.L. Colwell & Lawrence R. Heckard 2016. Orobanche uniflora, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=35481, accessed on September 30, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on September 30, 2016.