Coreopsis auriculata L.

Lobed tickseed (en)

Species

Angiosperms > Asterales > Asteraceae > Coreopsis

Characteristics

Perennial with slender naked stolons or stoloniform rhizomes; stems erect or ascending, 1–6 dm, leafy below; lvs petiolate, the blade ovate to broadly elliptic or suborbicular, to 8 × 3.5 cm, often with a pair of much smaller lateral lobes at base; heads solitary or few, on long, naked peduncles; disk yellow, 7–15 mm wide; outer bracts ca 8, lance-oblong or ovate-oblong, often narrowly thin-margined; inner bracts longer and more acute, ovate; rays yellow, 1.5–2.5 cm; receptacular bracts narrowly linear, attenuate upwards; disk-cors 5-toothed; style appendages cuspidately acute; achenes 2–3 mm, the rather narrow wings finally cartilaginous and involute; pappus of 2 minute, deciduous scales; 2n=24. Woods; Va. and Ky. to Fla. and La. Apr.–June.
More
A herb.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 1.0
Mature height (meter) 1.5
Root system creeping-root fibrous-root rhizome
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

Rich calcareous hardwoods and openings. Roadsides and other openings in woods, pine barrens at elevations of 10-500 metres.
More
It is a temperate plant. It suits hardiness zones 4-9.
Light 5-8
Soil humidity 1-6
Soil texture 3-5
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 4-7

Usage

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

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) 20 - 25
Germination temperacture (C°) 12 - 21
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -35
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Coreopsis auriculata leaf picture by jimseng jimseng (cc-by-sa)

Flower

Coreopsis auriculata flower picture by leroi stov (cc-by-sa)
Coreopsis auriculata flower picture by Denise Denise (cc-by-sa)
Coreopsis auriculata flower picture by Ron Ron (cc-by-sa)

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:65767-2
WFO ID wfo-0000026034
COL ID YDMK
BDTFX ID 18909
INPN ID 92446
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Coreopsis auriculata Coreopsis diversifolia Cymbaecarpa auriculata Coreopsis diversifolia Coreopsis auriculata var. diversifolia