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Stokesia laevis (Hill) Greene

Stokes' aster (en)

Species

Angiosperms > Asterales > Asteraceae > Stokesia l'hér.

Characteristics

Stems tomentulose, glabrescent. Leaves: basal with petioles 3–12 cm, narrowly winged, blades 8–15 × 1–5 cm; cauline sessile, ± clasping, blades 5–12 × 1–3 cm. Involucres 25–45 × 25–45 mm. Phyllaries: outer 15–35+ mm, foliaceous portions elliptic to spatulate or linear, margins ± spiny, inner oblong to linear, 10–15+ mm, margins mostly entire, tips spiny. Corollas 15–25+ mm (outer) or 12–15+ mm (inner). Cypselae 5–8 mm; pappi 8–12 mm. 2n = 14.
More
A herb. It keeps growing from year to year. It grows 25-50 cm tall. The leaves are at the base and have stalks. They are 15-20 cm long. The leaves on the stems are smaller and clasp the stems. The stems have 1-4 pale blue flowers. The heads are 8-10 cm across.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.55 - 0.75
Mature height (meter) 0.25 - 0.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a temperate plant. It grows in coastal plains and wetlands and also savannah.
More
Not known
Light 6-8
Soil humidity 4-7
Soil texture 3-4
Soil acidity 5-8
Soil nutriment -
Hardiness (USDA) 7-9

Usage

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

Cultivation

Plants can be grown from seeds, cuttings or division.
Mode cuttings divisions seedlings
Germination duration (days) -
Germination temperacture (C°) 20
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -12
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Stokesia laevis flower picture by K O (cc-by-sa)
Stokesia laevis flower picture by bridget marquez (cc-by-sa)

Distribution

Stokesia laevis world distribution map, present in Sri Lanka and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:246388-2
WFO ID wfo-0000021794
COL ID 52T47
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Carthamus laevis Stokesia laevis Carthamus cyaneus Cartesia centauroides Stokesia cyanea l'hér.
WorldFloraDB 2024