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|Jepson eFlora: Taxon page
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|Family: Orobanchaceae||View Description||Dichotomous Key|
|Genus: Orthocarpus||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Orthocarpus luteus Nutt.
Habit: Plant 10--40 cm, yellow-green, often becoming +- purple-tinged, glandular- and longer-nonglandular-hairy. Stem: generally simple, slender. Leaf: 15--50 mm, +- linear, entire or upper deeply 3-lobed. Inflorescence: 5--20 cm, densely glandular-puberulent; bracts grading into distal leaves, 10--20 mm, +- green, 2 lateral lobes proximal to middle, narrowly triangular, central lobe +- lanceolate, 2--5 mm wide. Flower: calyx 5--8 mm, divided 1/3 abaxially, 3/4 adaxially, 1/4 on sides; corolla 10--15 mm, golden-yellow, exserted, puberulent (especially beak), lips +- equal, beak 2--4 mm, tip obscurely hooked, downward-projecting, cylindric, lower lip moderately pouched, teeth 3, 0.5 mm, blunt, incurved; stigma included. Fruit: 5--7 mm. Seed: 20--35, +- yellow to dark brown. Chromosomes: 2n=28.
Ecology: Moist fields, sagebrush scrub, mountain meadows; Elevation: 1300--3000 m. Bioregional Distribution: GB, adjacent edges; Distribution Outside California: to British Columbia, north-central United States, New Mexico. Flowering Time: Jul--Aug
eFlora Treatment Author: Margriet Wetherwax, T.I. Chuang & Lawrence R. Heckard
Jepson Online Interchange
Previous taxon: Orthocarpus imbricatus
Next taxon: Orthocarpus pachystachyus
Citation for this treatment: Margriet Wetherwax, T.I. Chuang & Lawrence R. Heckard 2016. Orthocarpus luteus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=35518, 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.