Erigeron canus A.Gray

Hoary fleabane (en)

Species

Angiosperms > Asterales > Asteraceae > Erigeron

Characteristics

Perennials, 5–35 cm; taprooted, caudex branches relatively thick, usually retaining old leaf bases. Stems erect, densely white strigoso-canescent, eglandular. Leaves mostly basal (persistent , ± erect; leaf bases broadened or not, not thickened and whitish-indurate); blades linear-oblanceolate to oblanceolate, 20–100 × 2–5(–7) mm, cauline sharply reduced or 0 (restricted to proximal 1 / 4 – 1 / 2 ), margins entire , faces densely white strigoso-canescent, eglandular. Heads 1(–4). Involucres 5–7 × 9–16 mm. Phyllaries in 3–4 series, densely hirsute to strigoso-hirsute, minutely glandular. Ray florets 20–50(–70); corollas white to light blue, 7–12 mm, laminae reflexing, sometimes tardily. Disc corollas 3.7–5.6 mm. Cypselae (nearly terete,) 2.8–3.5 mm, (8–)10–14-nerved, faces glabrous; pappi: outer of setae or bristles, inner of 24–36 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 - 0.35
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 -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-10

Usage

Uses medicinal
Edible -
Therapeutic use Ceremonial Medicine (unspecified), Disinfectant (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

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

Images

Erigeron canus unspecified picture

Distribution

Erigeron canus world distribution map, present in Mexico and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:203999-1
WFO ID wfo-0000012118
COL ID 6GNB4
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Wyomingia cana Erigeron canus Erigeron phoenicodontus