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|Family: Loasaceae||View Description||Dichotomous Key|
|Genus: Mentzelia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Mentzelia veatchiana Kellogg
Habit: Annual 3--45 cm. Stem: erect, hairy. Leaf: 1--18 cm, lower lobed, upper toothed to lobed (entire). Inflorescence: bracts generally ovate, toothed to lobed (entire), base green to +- white. Flower: sepals 1--5 mm; petals 4--7(10) mm, obovate, orange to yellow, base generally red to orange; stamens 3--7 mm; style (3)3.5--6 mm. Fruit: erect to curved 40° (70°), 8--28 mm, 2--4 mm wide, obconic. Seed: 1--2 mm, irregularly angular, tan, dark-mottled, edges generally acute; seed coat cells generally pointed or domed, > 1/2 tall as wide on seed surface edges in age. Chromosomes: 2n=54.
Ecology: Loamy to sandy desert, grassland, scrub, oak/pine woodland; Elevation: 200--2500 m. Bioregional Distribution: n SNH, Teh, SnJV, SCoRI, TR, PR, GB, D; Distribution Outside California: Oregon, Nevada, Arizona, Baja California. Flowering Time: Mar--Jun Note: Yellow-petaled forms generally restricted to pine/oak woodland, grassland. Intergrades with Mentzelia gracilenta, Mentzelia ravenii, Mentzelia montana, Mentzelia albicaulis.
eFlora Treatment Author: Joshua M. Brokaw, John J. Schenk & Barry Prigge
Jepson Online Interchange
Previous taxon: Mentzelia tridentata
Next taxon: Petalonyx
Citation for this treatment: Joshua M. Brokaw, John J. Schenk & Barry Prigge 2017. Mentzelia veatchiana, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=33294, accessed on March 25, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 25, 2017.