Heliopsis parvifolia A.Gray

Mountain oxeye (en)

Species

Angiosperms > Asterales > Asteraceae > Heliopsis

Characteristics

Perennials, 30–50(–80) cm. Aerial stems (from ± erect caudices) 1–10+, stramineous to reddish, glabrous or sparingly hairy. Leaf blades deltate-lanceolate, (1.5–)3–6 × 0.8–3 cm, margins irregularly dentate to subentire (proximal teeth larger), apices acuminate to obtuse, faces sparsely pubescent to glabrescent. Heads 1–10+. Peduncles (6–)15–30 cm. Involucres 12–20 mm diam. Phyllaries densely pubescent on margins and apices, abaxial faces glabrescent. Paleae lanceolate to oblong, apices acuminate, faces glabrous. Ray florets 9–11; corollas golden yellow (young) to pale yellow (old), laminae (1–)2–3 cm × 5–14 mm. Disc florets 8–50+; corollas greenish yellow to yellow-brown (lobes brighter than tubes), 3–4.5 mm, glabrous. Cypselae 4.5–5 mm, glabrous, rugulose to subtuberculate; pappi 0. 2n = 28.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3 - 0.5
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 7-9
Soil humidity 3-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-11

Usage

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

Cultivation

Mode -
Germination duration (days) 10 - 15
Germination temperacture (C°) 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Heliopsis parvifolia world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:213544-1
WFO ID wfo-0000061665
COL ID 3KC2X
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Heliopsis bupthalmoides Heliopsis parvifolia Heliopsis parvifolia var. parvifolia