Erigeron linearis (Hook.) Piper

Desert yellow fleabane (en)

Species

Angiosperms > Asterales > Asteraceae > Erigeron

Characteristics

Perennials, 5–15(–20) cm; taprooted, caudices branched, woody. Stems erect to slightly basally ascending, sparsely strigose (hairs white), eglandular. Leaves mostly basal (persistent) or basal and cauline; basal blades linear to linear-oblanceolate, (15–)30–70(–90) × 0.5–3 mm, cauline (on proxi mal 1 / 3 – 2 / 3 of stems) slightly reduced (bases abruptly widened, thickened, white-indurate, sheathing stem) margins entire, faces loosely strigose, eglandular. Heads 1(–3). Involucres 4–7 × 8–13 mm. Phyllaries in 2–3(–4) series, strigose to villous, minutely glandular. Ray florets 25–38; corollas usually bright yellow, sometimes cream to nearly white, 4–8 mm, laminae weakly coiling. Disc corollas 3.5–5.3 mm. Cypselae 2–2.3 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 10–20 bristles. 2n = 18, 27, 36, 45.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.3
Root system tap-root
Rooting depth (meter) 0.3
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-8
Soil humidity 2-4
Soil texture 3-4
Soil acidity 5-9
Soil nutriment -
Hardiness (USDA) 4-7

Usage

Uses medicinal
Edible -
Therapeutic use Tuberculosis Remedy (tuber)
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) 15 - 20
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -35
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Erigeron linearis flower picture by Ethan Greer (cc-by-sa)
Erigeron linearis flower picture by Ethan Greer (cc-by-sa)
Erigeron linearis flower picture by Susan Graham (cc-by-sa)

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:93897-2
WFO ID wfo-0000079834
COL ID 6GQC8
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Erigeron linearis Diplopappus linearis Erigeron peucephyllus Erigeron linearis var. linearis