Erigeron aureus Greene

Alpine yellow fleabane (en), Vergette dorée (fr)

Species

Angiosperms > Asterales > Asteraceae > Erigeron

Characteristics

Perennials, 1–15 cm; fibrous-rooted, caudices usually simple, rarely branched. Stems erect to basally ascending, villoso-hirsute to ascending-strigose, minutely and inconspicuously glandular. Leaves basal (persistent) and cauline; blades spatulate to oblanceolate-spatulate, 15–60 × 3–13 mm, cauline reduced distally, becoming bractlike, margins entire, faces finely hirsuto-villous to loosely strigose, eglandular. Heads 1. Involucres (5–)6–8 × 8–15 mm. Phyllaries in 2–3 series (purple), sparsely to densely woolly-villous (at least margins), sparsely minutely glandular. Ray florets 30–50(–68); corollas yellow, 6–9(–10) mm, laminae tardily coiling. Disc corollas 3–3.8 mm. Cypselae 1.6–2 mm, 2-nerved, faces loosely strigose; pappi: outer of setae, inner of 14–25 bristles. 2n = 18.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.15
Root system fibrous-root
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 1-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 5-7

Usage

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

Cultivation

Mode -
Germination duration (days) 15 - 20
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -29
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Erigeron aureus flower picture by Susan Graham (cc-by-sa)

Distribution

Erigeron aureus world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:93580-2
WFO ID wfo-0000008633
COL ID 6GNJZ
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Aster brandegeei Stenotus brandegei Haplopappus brandegeei Erigeron aureus var. acutifolius Erigeron aureus var. aureus Erigeron aureus