|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:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Subshrub; hairs barbed. Leaf: linear to +- round, entire to toothed; base tapered to cordate. Inflorescence: raceme, generally terminal; bracts 3 per flower, outer 1 > inner 2. Flower: sepals +- deciduous; petals free or claws adherent, fused below blades; stamens generally 5, free; ovary +- ovoid, placenta 1, stigma 1. Fruit: achene, +- ovoid, generally 5-veined or -ribbed, erect. Seed: 1, 1.5--2.5 mm, +- fusiform, generally smooth. Chromosomes: 2n=46.
Species In Genus: 5 species: southwestern United States, northwestern Mexico. Etymology: (Greek: petal claw)
eFlora Treatment Author: Larry Hufford & Barry Prigge
Jepson Online Interchange
Key to PetalonyxPrevious taxon: Mentzelia veatchiana
Next taxon: Petalonyx linearis
Citation for this treatment: Larry Hufford & Barry Prigge 2017. Petalonyx, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=10443, accessed on February 24, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 24, 2017.