Arnica spathulata Greene

Klamath arnica (en)

Species

Angiosperms > Asterales > Asteraceae > Arnica

Characteristics

Plants 15–45+ cm. Stems simple or branched. Leaves 3–5 pairs, sometimes crowded toward bases (basal leaves often persistent on sterile rosettes); petiolate (petioles mostly broadly winged, 1–9 × 0.2–1.5 cm); blades elliptic-ovate to spatulate, 2–8 × 1–4 cm, margins subentire to mostly irregularly dentate, apices acute, faces sparsely to densely villous, stipitate-glandular. Heads 1, or 3–9(–25). Involucres turbinate-campanulate. Phyllaries 8–15, broadly to narrowly lanceolate. Ray florets 0. Disc florets 15–50; corollas yellow; anthers yellow. Cypselae black, 5–10 mm, sparsely stipitate-glandular; pappi white, bristles barbellate. 2n = 38, 76.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.45
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) -

Usage

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

Cultivation

Mode -
Germination duration (days) 25 - 30
Germination temperacture (C°) 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:20090-2
WFO ID wfo-0000079216
COL ID GT64
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Arnica spathulata Arnica eastwoodiae Arnica spathulata var. eastwoodiae Arnica spathulata var. spathulata Arnica spathulata subsp. spathulata Arnica spathulata subsp. eastwoodiae