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Viola lobata subsp. integrifolia

Higher Taxonomy
Family: ViolaceaeView Description 

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.
Genus: ViolaView DescriptionDichotomous Key

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.
Species In Genus: +- 500 species: temperate, worldwide, Hawaii, Andes. Etymology: (Latin: classical name) Note: Important orns including Viola odorata, Viola tricolor L. (Johnny-jump-up, wild pansy), Viola ×wittrockiana Gams (garden pansy).
Species: Viola lobataView Description 

Common Name: PINE VIOLET, YELLOW WOOD VIOLET
Habit: Perennial herb 5--46 cm, glabrous or puberulent, glaucous or not. Stem: erect, 1--3, generally purple, leafless proximally, from thick, shallow or deep, horizontal or vertical rhizome. Leaf: simple, deeply divided or not; basal 0--2 per caudex, petiole 5--24 cm, blade 3.5--8.5 cm, 4.5--13.5 cm wide, deltate to reniform, entire to irregularly serrate, ciliate, base cordate, wedge-shaped, or truncate, tip blunt, obtuse, or acute; cauline only near stem tip, petiole 0.2--7.4 cm, blade 1.5--5.5 cm, 1.4--10 cm wide, reniform, deltate, +- ovate, or diamond-shaped, base cordate, wedge-shaped, or truncate, entire to coarsely toothed, tip acute to obtuse. Inflorescence: axillary from upper leaf axils; peduncle 2--13 cm. Flower: sepals lanceolate, generally ciliate; petals deep lemon-yellow, generally upper 2, sometimes lateral 2 dark red-brown abaxially, lower 3, sometimes upper 2 veined brown-purple basally, lateral 2 bearded with cylindric hairs, lowest 8--19 mm. Fruit: 6--16 mm, elliptic-ovate, glabrous. Seed: 2.1--2.7 mm, shiny, pale brown, blotched or streaked with brown. Chromosomes: 2n=12.


Viola lobata subsp. integrifolia (S. Watson) R.J. Little
NATIVE
Leaf: cauline blade generally longer than wide, diamond-shaped, reniform-cordate, or generally deltate, proximally serrate to dentate, distally often entire, tip acute.
Ecology: Uncommon. Dry shaded or open forest, chaparral, often on serpentine; Elevation: 450--2070 m. Bioregional Distribution: NW, CaR, SN, PR; Distribution Outside California: southwestern Oregon. Flowering Time: Mar--Jul
eFlora Treatment Author: R. John Little
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botanical illustration including Viola lobata subsp. integrifolia

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Citation for this treatment: R. John Little 2016. Viola lobata subsp. integrifolia, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=53383, accessed on May 27, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 27, 2016.


Viola lobata subsp. integrifolia
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© 2008 Keir Morse
Viola lobata subsp. integrifolia
click for enlargement
© 2008 Steve Matson
Viola lobata subsp. integrifolia
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© 2010 Barry Breckling
Viola lobata subsp. integrifolia
click for enlargement
© 2008 Steve Matson
Viola lobata subsp. integrifolia
click for enlargement
© 2008 Steve Matson
Viola lobata subsp. integrifolia
click for enlargement
© 2008 Steve Matson

More photos of Viola lobata subsp. integrifolia in CalPhotos


Geographic subdivisions for Viola lobata subsp. integrifolia:
NW, CaR, SN, PR;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.