Erigeron muirii A.Gray

Muir's fleabane (en)

Species

Angiosperms > Asterales > Asteraceae > Erigeron

Characteristics

Perennials, 3–10(–12) cm; rhizomatous, fibrous-rooted, rhizomes or caudices simple, relatively short and thick. Stems erect, densely cobwebby-lanate (hairs white), eglandular. Leaves basal (persistent) and cauline; blades oblanceolate to subspatulate, (10–)20–60 × 2–10 mm, margins entire, faces lanate, eglandular; cauline blades oblong to linear-oblong, gradually reduced, bractlike. Heads 1. Involucres 8–10 × 12–20 mm. Phyllaries in 2(–3) series (purple beneath pubescence), densely and closely lanate, sparsely glandular (glandularity obscured). Ray florets 60–100; corollas white, often drying pinkish, 8–13 mm (mostly 1–2 mm wide), laminae coiling. Disc corollas 3.5–5 mm. Cypselae 1.9–2.2 mm, 2-nerved, faces strigose-hirsute; pappi: outer of setae, inner of 13–20 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 - 0.1
Root system fibrous-root rhizome
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) -

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°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:204181-1
WFO ID wfo-0000061330
COL ID 6H23G
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Erigeron muirii Aster muirii Erigeron grandiflorus subsp. muirii Erigeron muirii subsp. muirii