Erigeron hyperboreus Greene

Tundra fleabane (en)

Species

Angiosperms > Asterales > Asteraceae > Erigeron

Characteristics

Perennials, 3–15 cm; rhizomatous, fibrous-rooted, sometimes with branched, rhizomelike caudices. Stems erect to basally ascending, hirsute to hirsuto-villous (hair cross walls purplish black), minutely glandular (conspicuously so near heads). Leaves mostly basal (persistent) or basal and cauline; basal blades narrowly oblanceolate to narrowly oblanceolate-spatulate 10–50(–60) × 1.5–6 mm, cauline linear and reduced distally, margins entire (apices acute to obtuse), faces hirsute, eglandular. Heads 1. Involucres 5–8 × 9–15 mm. Phyllaries in 2(–3) series (usually dark purple), hirsute to villous (hair cross walls purplish black), minutely glandular. Ray florets 30–60; corollas white to blue, drying white or pink, purple, or blue, 7–15 mm (mostly 1–2 mm wide), laminae coiling. Disc corollas 3.5–5 mm. Cypselae 1.7–2 mm, 2-nerved, faces densely strigoso-hirsute; pappi: outer of setae (inconspicuous), inner of 15–20 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 - 0.15
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 -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

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

Identifiers

LSID urn:lsid:ipni.org:names:93840-2
WFO ID wfo-0000125915
COL ID 6GP78
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Erigeron alaskanus Erigeron hyperboreus Erigeron alaskanus f. alaskanus Erigeron hyperboreus f. hyperboreus