young shoot icon Home All plants About

Clematis ochroleuca Aiton

Curlyheads (en)

Species

Angiosperms > Ranunculales > Ranunculaceae > Clematis

Characteristics

Stems erect, 2–6 dm, simple or branched, ± villous-tomentose, the branches seldom overtopping the central axis; lvs subsessile, ovate, to 12 cm, half as wide (or a little wider), rather light green, softly hairy beneath when young, glabrescent in age; peduncles elongating to 5–20 cm at maturity, regularly exceeding the uppermost lvs; fls solitary and terminal, cal urceolate; sep 2–3.5 cm, densely sericeous outside; base of the achenes appressed-puberulent with short hairs, these becoming longer distally, but always erect or ascending, as are also the lower hairs of the style; mature style (3–)3.5–6 cm, densely plumose; 2n=16. In woods and disturbed open places; s. N.Y. to Ga., mostly on the piedmont. May, June.
More
Stems erect to ± sprawling, not viny, 2-7 dm,, sparsely to ± densely pilose. Leaves simple. Leaf blade narrowly to broadly ovate, unlobed or rarely few-lobed, 3-14 × (1.5-)2.5-8(-9.5) cm, ± leathery, reticulate adaxially; surfaces abaxially moderately silky-pilose with spreading hairs or rarely nearly glabrous, not glaucous. Inflorescences terminal, flowers solitary; bracts absent. Flowers narrowly urn-shaped; sepals pale yellow to pale purple, lanceolate, 1-3.5 cm, margins not expanded, thin, not crispate, tomentose, tip obtuse, spreading to recurved, abaxially silky-pubescent. Achenes: bodies pilose, hairs appressed-ascending; beak yellowish brown to reddish brown, 3-6 cm, plumose. 2 n = 16.
Life form perennial
Growth form -
Growth support -
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.7
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 3-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-8

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 270
Germination temperacture (C°) 21 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Clematis ochroleuca unspecified picture

Distribution

Clematis ochroleuca world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:274745-2
WFO ID wfo-0000610373
COL ID VY9K
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Clematis ochroleuca Valvaria ovalis Valvaria ochroleuca Clematis ovata Clematis sericea Coriflora ochroleuca Viorna ochroleuca Viorna ovata Clematis uniflora Clematis integrifolia subsp. ochroleuca Clematis integrifolia subsp. ovata Clematis ochroleuca var. ovata Clematis ochroleuca var. sericea
WorldFloraDB 2024