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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Violaceae||View Description||Dichotomous Key|
|Genus: Viola||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Viola praemorsa Lindl.
Habit: Perennial herb 7.5--30 cm, glabrous to densely puberulent. Stem: prostrate to erect, generally several, clustered on 1--several subterranean caudices from woody rhizome. Leaf: simple; basal 1--5 per caudex, petiole 4.3--19.2 cm, blade 2.3--8.5 cm, 1.4--3.7 cm wide, elliptic or ovate, entire, wavy, or generally irregularly crenate to serrate, base tapered, often oblique to +- truncate, tip acute or obtuse; cauline blade 2.6--5.8 cm, 1.3--3.5 cm wide, like basal. Inflorescence: axillary; peduncle 2.7--26 cm. Flower: sepals lanceolate, ciliate or not; petals deep lemon-yellow, upper 2, sometimes lateral 2 maroon or +- brown abaxially, lower 3 veined brown-purple, lateral 2 bearded with cylindric hairs, lowest 12--20 mm. Fruit: 6--12 mm, elliptic to oblong, glabrous to minutely puberulent. Seed: 2--3 mm, medium to dark brown, +- 1/3 length covered by outgrowth. Chromosomes: 2n=36,48.
Note: Study needed; 1 other subsp., +- northwestern United States.
Unabridged Note: Complex; study needed; hybrids obscure subspecies; 1 other subsp., Idaho, Montana, Utah, Washington, Wyoming.
eFlora Treatment Author: R. John Little
Jepson Online Interchange
Previous taxon: Viola pinetorum subsp. pinetorum
Next taxon: Viola praemorsa subsp. linguifolia
Citation for this treatment: R. John Little 2016. Viola praemorsa, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=48278, accessed on May 28, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 28, 2016.