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|Family: Loasaceae||View Description||Dichotomous Key|
|Genus: Mentzelia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Mentzelia nitens Greene
Habit: Annual 4--34 cm. Stem: erect to decumbent, glabrous to hairy. Leaf: < 15 cm, lower toothed to lobed, upper entire to lobed. Inflorescence: bracts lanceolate, entire, green. Flower: sepals 3--8 mm; petals (7)8--18 mm, generally obovate, yellow, base yellow to orange; stamens <= style; style 4--8 mm. Fruit: generally curved <= 180°, 13--26 mm, 2--3.5 mm wide, obconic. Seed: +- 1 mm, irregularly rounded above mid-fruit, ×-section occasionally triangular with grooves along longitudinal edges below mid-fruit, tan, +- dark-mottled; recurved flap over attachment scar conspicuous; seed coat cells domed, < 1/2 tall as wide in age. Chromosomes: 2n=18.
Ecology: Sandy washes to rocky slopes; Elevation: 400--2000 m. Bioregional Distribution: SNE, n DMoj; Distribution Outside California: western Nevada. Flowering Time: Apr--Jun Note: Intergrades with Mentzelia eremophila, Mentzelia jonesii.
eFlora Treatment Author: Joshua M. Brokaw, John J. Schenk & Barry Prigge
Jepson Online Interchange
Previous taxon: Mentzelia montana
Next taxon: Mentzelia obscura
Citation for this treatment: Joshua M. Brokaw, John J. Schenk & Barry Prigge 2016. Mentzelia nitens, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=33266, accessed on August 26, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 26, 2016.