Arnica angustifolia Vahl

Narrowleaf arnica (en)

Species

Angiosperms > Asterales > Asteraceae > Arnica

Characteristics

Plants 5–40 cm. Stems usually simple, rarely branched. Leaves 1–5 pairs, mostly cauline; petio-late (petioles broadly to narrowly winged, shorter than blades); blades broadly lanceolate to linear, 2–20 × 0.3–4 cm, margins entire or irregularly denticulate or dentate, apices acute or acuminate, faces glabrous or densely woolly-villous and stipitate-glandular. Heads 1–3(–5; erect). Involucres hemispheric. Phyllaries 9–22, usually narrowly to broadly lanceolate, sometimes oblanceolate. Ray florets 6–16; corollas yellow. Disc florets: corollas yellow; anthers yellow. Cypselae brown, 3–8 mm, densely hirsute, rarely glandular; pappi white, bristles barbellate.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.4
Root system tap-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Pasture and open woodland on neutral to calcareous soils. Bare rocky alpine slopes and summits.
Light 7-9
Soil humidity 3-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 2-6

Usage

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

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) 25 - 30
Germination temperacture (C°) 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -45
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Arnica angustifolia unspecified picture

Distribution

Arnica angustifolia world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:19869-2
WFO ID wfo-0000010842
COL ID GT2V
BDTFX ID 6650
INPN ID 143814
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Arnica angustifolia Arnica alpina Arnica angustifolia var. angustifolia Arnica alpina var. angustifolia Arnica alpina subsp. angustifolia Arnica sornborgeri var. sornborgeri Arnica montana var. angustifolia

Lower taxons

Arnica angustifolia subsp. iljinii Arnica angustifolia subsp. angustifolia Arnica angustifolia subsp. alpina