|University of California, Berkeley|
|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Loasaceae||View Description||Dichotomous Key|
|Genus: Mentzelia||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Mentzelia polita A. Nelson
Habit: Perennial herb 12--33 cm. Stem: erect to decumbent, glabrous to puberulent. Leaf: < 7 cm, 2--10 mm wide, linear to narrowly elliptic or oblanceolate, generally entire. Inflorescence: bracts narrowly lanceolate, entire, green. Flower: sepals 5--7 mm; petals 8--14 mm, 2--4 mm wide, +- white to pale-yellow, tip round; stamens 3--10 mm, filaments of 5 outermost 6--10 mm, 1--2.7 mm wide, oblanceolate, tip generally notched, anther attached generally without thread-like stalk; style 5--7 mm. Fruit: erect, 5--9 mm, 5--9 mm wide, cup-shaped. Seed: +- 3 mm, +- 2 mm wide, lenticular, winged, white. Chromosomes: 2n=22.
Ecology: Washes, limestone, +- white gypsum-rich soils; Elevation: 1200--1500 m. Bioregional Distribution: e DMoj (ne Clark Mtn Range); Distribution Outside California: southern Nevada. Flowering Time: May--Jun
eFlora Treatment Author: Joshua M. Brokaw, John J. Schenk & Barry Prigge
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory
Previous taxon: Mentzelia pectinata
Next taxon: Mentzelia pterosperma
Citation for this treatment: Joshua M. Brokaw, John J. Schenk & Barry Prigge 2017. Mentzelia polita, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=33276, accessed on February 22, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 22, 2017.