Erigeron argentatus A.Gray

Silver fleabane (en)

Species

Angiosperms > Asterales > Asteraceae > Erigeron

Characteristics

Perennials, (8–)15–30(–40) cm; taprooted, caudices branched, retaining old leaf bases. Stems erect, densely gray-green to silvery-strigose (hairs white, closely appressed), eglandular. Leaves basal (persistent) and cauline (leaf bases broadened or not, not thickened and whitish-indurate); basal blades spatulate to oblanceolate or narrowly oblanceolate, (15–)20–50(–70) × 1–4(–6) mm, margins entire, faces silvery-strigose, eglandular ; cauline blades linear to linear-oblanceolate, much reduced distally. Heads 1. Involucres 5.5–9 × (10–)12–22 mm. Phyllaries in 3–4 series, silvery-strigose (hairs closely appressed), minutely glandular. Ray florets 20–50(–75); corollas blue to lavender, less commonly pink or white, 9–15 mm, laminae coiling. Disc corollas 3.8–5.6 mm. Cypselae (terete to slightly compressed) 2.8–3.4 mm, 6–8-nerved, faces strigoso-pilose; pappi: outer of setae or lanceolate scales, inner of 25–40 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) 0.15 - 0.3
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) 5-10

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 -

Images

Erigeron argentatus unspecified picture

Distribution

Erigeron argentatus world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:203559-1
WFO ID wfo-0000062856
COL ID 6GNJ2
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Erigeron argentatus Wyomingia argentata