Coreopsis stillmanii (A.Gray) S.F.Blake

Stillman's tickseed (en)

Species

Angiosperms > Asterales > Asteraceae > Coreopsis

Characteristics

Annuals, 5–20+ cm. Leaf blades simple or 1(–2)-pinnately lobed, terminal lobes spatulate to narrow-ly oblanceolate, 1–3 mm wide. Peduncles 5–12(–20+) cm. Calyculi of 5–7+ oblong to linear bractlets 4–8(–10) mm, ciliolate near bases. Phyllaries (5–)8, ovate to lance-ovate, 4–5(–7) mm. Ray florets 5–8; laminae 8–12(–15+) mm. Disc florets 12–30+; corollas 2.5–3.5 mm. Cypselae ± obovate, 4–5 mm, not marked adaxially with red, wings corky-thickened, faces smooth or ± tuberculate, not hirtellous. 2n = 24.
Life form annual
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.05 - 0.2
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
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) 14 - 20
Germination temperacture (C°) 17 - 21
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Coreopsis stillmanii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:65924-2
WFO ID wfo-0000032623
COL ID YDW5
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Coreopsis stillmanii Coreopsis stillmanii var. stillmanii Leptosyne stillmanii