Erigeron saxatilis G.L.Nesom

Rock fleabane (en)

Species

Angiosperms > Asterales > Asteraceae > Erigeron

Characteristics

Perennials, 3–5 cm; taprooted, caudex branches relatively thick, short, retaining old leaf bases. Stems erect to ascending, glabrous, eglandular. Leaves basal (persistent) and cauline (petioles, when distinct, about equaling blades); basal blades linear-oblanceolate to slightly spatulate, 10–30 × 0.5–2(–3) mm, cauline similar or slightly reduced distally, margins entire, faces sparsely strigose or glabrous, eglandular. Heads 1. Involucres 2.5–3.5 × 6–7 mm. Phyllaries in 3–4 series (purplish, midveins greenish yellow, not swollen), sparsely strigose or glabrous, eglandular. Ray florets 20–29; corollas white, drying white to slightly lavender, 5.5–7 mm, laminae reflexing. Disc corollas 2.1–3 mm (veins not orange-resinous). Cypselae 1.3–1.6 mm, 2-nerved, faces sparsely strigose; pappi: outer of setae, inner of 9–13(–15) bristles.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.03 - 0.05
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 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 saxatilis world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:276715-2
WFO ID wfo-0000012019
COL ID 6H26R
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Erigeron saxatilis