Viola cucullata Aiton

Marsh blue violet (en), Violette cucullée (fr)

Species

Angiosperms > Malpighiales > Violaceae > Viola

Characteristics

Glabrous, acaulescent; rhizome short, oblique or horizontal, often branching to form colonies; lvs all merely crenate-serrate, cordate at base, the blade typically held at an angle to the strongly ascending petiole, ovate to reniform at anthesis, the summer-lvs to 10 cm wide, all except the earliest acute or shortly acuminate; fls on long, slender peduncles, typically elevated well above the lvs; pet light violet to sometimes white, usually with a dark-veined eye, the 2 lateral pet densely bearded with short hairs generally well under 1 mm, many of or all the hairs strongly clavate or with a conspicuously expanded knob at the end; spurred pet glabrous, somewhat shorter than the lateral ones; cleistogamous fls long and slender, on long, erect peduncles, the auricles nearly as long as the sep; fr ovoid-cylindric, only slightly longer than the sep; seeds nearly black; 2n=54. Bogs, swamps, and other wet or moist places in shade or sun, not weedy; Nf. to Ont. and Minn., s. to N.C., Ga., Tenn., and e. Ark. Apr.–July.
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Plants perennial, acaulescent, not stoloniferous, 5–20 cm; rhizome thick, fleshy. Leaves basal, 4–8, ascending to erect; stipules linear-lanceolate, margins entire, apex acute; petiole 6–20 cm, usually glabrous; blade unlobed, ovate to reniform, 1.5–11 × 1–9 cm, base reniform to cordate, margins crenate to serrate, ciliate, apex acute or obtuse to slightly caudate, surfaces glabrous, rarely pubescent. Peduncles 7–25 cm, glabrous or pubescent. Flowers: sepals lanceolate, margins ciliate or eciliate, auricles 3–6 mm; petals light to dark blue-violet to violet on both surfaces, upper 2 and lateral 2 darker basally, lateral 2 densely bearded, lowest white basally, dark purple-veined, 9–13 mm, spur color same as petals, gibbous, 2–3 mm; style head beardless; cleistogamous flowers on erect peduncles. Capsules ellipsoid to ± ovoid, 10–15 mm, glabrous. Seeds beige, mottled to bronze, 1–2 mm. 2n = 54.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 0.18 - 0.28
Mature height (meter) 0.15
Root system rhizome
Rooting depth (meter) 0.1
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Wet places, often in open woods. Wet meadows, springs, bogs, swamps etc. Open or wooded wet areas, seeps, springs, swamps, marshes, streamsides; at elevations up to 2,000 metres.
Light 4-7
Soil humidity 4-9
Soil texture 1-6
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 6-9

Usage

Uses insecticide medicinal potherb wood
Edible flowers leaves
Therapeutic use Analgesic (leaf), Dermatological Aid (root), Unspecified (root), Antidiarrheal (unspecified), Blood Medicine (unspecified), Cold Remedy (unspecified), Cough Medicine (unspecified), Respiratory Aid (unspecified), Tonic (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by divisions or seedlings. Seeds needs stratification.
Mode divisions seedlings
Germination duration (days) 14 - 21
Germination temperacture (C°) 5
Germination luminosity dark
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Viola cucullata habit picture by Maarten Vanhove (cc-by-sa)

Leaf

Viola cucullata leaf picture by cthulhu mittens (cc-by-sa)
Viola cucullata leaf picture by Maarten Vanhove (cc-by-sa)
Viola cucullata leaf picture by Maarten Vanhove (cc-by-sa)

Flower

Viola cucullata flower picture by cthulhu mittens (cc-by-sa)
Viola cucullata flower picture by Maarten Vanhove (cc-by-sa)

Distribution

Viola cucullata world distribution map, present in Canada, Switzerland, Germany, France, Italy, Mexico, Saint Pierre and Miquelon, and United States of America

Conservation status

Viola cucullata threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:867972-1
WFO ID wfo-0000426491
COL ID 5BGM3
BDTFX ID 77599
INPN ID 161421
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Viola cucullata Viola resupinata Viola consors Viola cucullata f. prionosepala Viola ciliata Viola obliqua Viola macrotis Viola obliqua Viola mesochora Viola fontana Viola induta Viola cordata Viola leptosepala Viola palmata var. cucullata Viola cucullata var. cordata Viola primulifolia var. cordata Viola cucullata var. microtitis Viola cucullata var. minor Viola cucullata var. reniformis Viola cucullata var. striata