Common Name: VIOLET FAMILY Habit: Annual, perennial herb, [small shrub, tree, vine], from caudices, taproots, rhizomes, or stolons; hairs 0 or simple. Stem: 0 or prostrate to erect. Leaf: basal, cauline, or both, alternate, [opposite], simple to compound, petioled; stipules generally small; blade linear to round, entire to toothed or lobed. Inflorescence: flowers 1 [raceme], axillary or scapose; peduncle bractlets 2, generally alternate. Flower: bisexual, bilateral [radial]; sepals 5, free, basal lobes present [0], generally not prominent; petals 5, free, lowest often largest, base +- elongated into a spur; stamens 5, alternate petals, filaments short, wide, with large in-pointing hairs, lowest 2 anthers with basal nectaries extending into petal spur; ovary superior, chamber 1, placentas parietal, 3, ovules [1] generally many, style 1, often enlarged distally, stigma often oblique or hooked, hairy or not. Fruit: capsule [berry], 3-valved, loculicidal, explosively dehiscent or not. Seed: generally with outgrowth, attractive to ants. Genera In Family: 23 genera, 830 species: worldwide, generally temperate, tropics (especially higher elevations). Note: Lengths of lowest petal including spur. eFlora Treatment Author: R. John Little Scientific Editor: Thomas J. Rosatti.
Common Name: VIOLET Leaf: generally deciduous. Flower: sepals +- equal, entire; petals unequal, lowest generally largest, with spur generally < 3 [20] mm, lateral 2 equal, generally spreading, upper 2 equal, erect or reflexed, overlapped or not, lateral 2 generally, others sometimes with beard of variously shaped hairs basally; cleistogamous flowers generally present, petals 0. Fruit: ovoid to oblong, hairy or not. Seed: 8--75. Etymology: (Latin: classical name) Note: Important orns including Viola odorata, Viola tricolor L. (Johnny-jump-up, wild pansy), Viola ×wittrockiana Gams (garden pansy). Unabridged Reference: Baker, M.S. 1949a. Studies in western violets. IV. Leafl. West. Bot. 5: 141--147; Baker, M.S. 1949b. Studies in western violets. VI; Madroño 10: 110--128; Baker, M.S. 1957. Brittonia 9: 217--230; Ballard, H.E. 1992. Systematics of Viola Section Viola in North Am north of Mexico. M.S. thesis, Central Michigan University, Mt. Pleasant, Michigan; Ballard, H.E. 1994. Violets of Michigan. Michigan Botanist 33: 131--199; Davidse, G. 1976. A study of some Intermountain violets (Viola Sect. Chamaemelanium). Madroño 23: 274--283; Fabijan et al. 1987. The taxonomy of the Viola nuttallii complex. Can. J. Bot. 65: 2562--2580; Gil-ad, N.L. 1995. Systematics and evolution of Viola L. subsection Boreali-Americanae (W. Becker) Brizicky. Ph.D. dissertation, Univ of Michigan, Ann Arbor, Michigan; Gil-ad, N.L. 1997. Systematics of Viola subsection Boreali-Americanae. Boissiera 53: 1--130; Gil-ad, N.L. 1998. The micromorphologies of seed coats and petal trichomes of the taxa of Viola subsect. Boreali-Americanae (Violaceae) and their utility in discerning orthospecies from hybrids. Brittonia 50: 91--121; Hitchcock, C.L. 1961. Vasc. Pl. Pacific NorthW. Vol. 3; McKinney, L.E. 1992. A taxonomic revision of the acaulescent blue violets (Viola) of North Am. Sida Botanical Miscellany, 7: 1--59; McKinney, L.E. and N. Russell. 2002. Violaceae of the Southeastern United States. Castanea 4: 369--379; Russell, N.H. 1965. Violets (Viola) of the central and eastern United States: an introductory survey. Sida 1: 1--113
Viola langsdorffii Ging.
NATIVE Habit: Perennial herb 2--30 cm, generally glabrous. Stem: ascending to erect, generally < 3, from a shallow, thin, fleshy rhizome. Leaf: simple; basal 2--3 per caudex, glabrous or hairs scattered along abaxial veins, petiole 0.8--21 cm, blade 0.9--5.8 cm, 1--6 cm wide, ovate to reniform, crenate to crenate-serrate, base cordate to truncate, tip rounded or acute to generally obtuse; cauline petiole 2.2--12.1 cm, blade 1.9--4.2 cm, 1.8--5.9 cm wide, +- like basal. Inflorescence: axillary; peduncle 2.2--20.7 cm. Flower: sepals lanceolate to ovate, not ciliate; petals light to deep violet, lower 3 +- white basally, lateral 2 bearded with cylindric hairs, lowest 12--24 mm, spur 2--5 mm, conspicuous, as long as wide; style head glabrous [occasionally bearded]. Fruit: 7.5--13 mm, ovate to oblong, glabrous. Seed: 2.5--2.8 mm, dark olive to +- black. Chromosomes: 2n=12. Ecology: In bogs of coastal sand dunes and sandy, stabilized areas dominated by per species of Carex, Juncus; Elevation: < 10 m. Bioregional Distribution: n NCo (Lake Earl, Del Norte Co.); Distribution Outside California: to Alaska, Yukon Territory; Asia. Flowering Time: Apr--Aug Synonyms: Viola simulata M.S. Baker; Viola superba M.S. Baker Jepson eFlora Author: R. John Little Index of California Plant Names (ICPN; linked via the Jepson Online Interchange) Listed on CNPS Rare Plant Inventory Previous taxon: Viola howellii Next taxon: Viola lobata
Citation for this treatment: R. John Little 2012, Viola langsdorffii, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=89179, accessed on April 19, 2024.
Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 19, 2024.
Geographic subdivisions for Viola langsdorffii:
n NCo (Lake Earl, Del Norte Co.)
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Data provided by the participants of the
Consortium of California Herbaria.
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