Erigeron glaucus Ker Gawl.

Seaside fleabane (en), Vergerette glauque (fr), Érigéron glauque (fr), Vergerette à feuilles glauques (fr), Érigéron à feuilles glauques (fr)

Species

Angiosperms > Asterales > Asteraceae > Erigeron

Characteristics

Perennials, 5–30 cm (usually forming dense colonies); rhizomatous, fibrous-rooted, sometimes with branching caudices. Stems pro-cumbent to decumbent-ascending, hirsuto-villous or nearly glabrous, usually minutely glandular. Leaves basal (usually persistent) and cauline; basal blades broadly obovate to spatulate, 20–130(–150) × 10–30(–50) mm, cauline little reduced distally (fleshy, bases sometimes subclasping), margins entire or with 2–4 pairs of shallow teeth, faces glabrous or hirsute, eglandular. Heads 1–15. Involucres 7–13 × 15–35 mm. Phyllaries in 3–4 series, sparsely to densely villous (cross walls not colored), minutely glandular. Ray florets 80–165; corollas white to purple or blue, 8–15 mm, laminae coiling. Disc corollas 4.5–5.5 mm. Cypselae 1.8–2.4 mm, 2–4(–6)-nerved, faces sparsely strigose; pappi: outer of setae, inner of 20–30 bristles. 2n = 18.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 0.5 - 1.0
Mature height (meter) 0.1 - 0.3
Root system fibrous-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Sea bluffs and sandy beaches under the influence of water. Coastal bluffs, dunes, and beaches, usually forming dense colonies, from sea level to 30 metres.
Light 7-9
Soil humidity 2-6
Soil texture 2-5
Soil acidity 3-8
Soil nutriment -
Hardiness (USDA) 3-8

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings, divisions or seedlings.
Mode cuttings divisions seedlings
Germination duration (days) 15 - 20
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -40
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Habit

Erigeron glaucus habit picture by Stefan Spoon (cc-by-sa)
Erigeron glaucus habit picture by Alexandre Labbe (cc-by-sa)
Erigeron glaucus habit picture by Patrice Nodet (cc-by-sa)

Leaf

Erigeron glaucus leaf picture by cong quang ngo (cc-by-sa)
Erigeron glaucus leaf picture by larroque Matthieu (cc-by-sa)
Erigeron glaucus leaf picture by Alain Dintheer (cc-by-sa)

Flower

Erigeron glaucus flower picture by louie mera (cc-by-sa)
Erigeron glaucus flower picture by Alan Alan Dunlop-Walters (cc-by-sa)
Erigeron glaucus flower picture by martine monier (cc-by-sa)

Distribution

Erigeron glaucus world distribution map, present in France, United Kingdom of Great Britain and Northern Ireland, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:203908-1
WFO ID wfo-0000127212
COL ID 6GP56
BDTFX ID 24900
INPN ID 96764
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Aster bonariensis Erigeron californicus Erigeron hispidus Stenactis glauca Erigeron maritimus Aster glaucus Erigeron squarrosus Aster californicus Woodvillea calendulacea Erigeron glaucus