WorldFloraDB - Coreopsis palmata

Characteristics

Rhizomatous perennial 4–9 dm, glabrous except for the scabro-ciliate lf-margins and sometimes hairy nodes; lvs rather numerous, firm, narrow, 3–8 cm, essentially sessile, deeply trilobed at or somewhat below the middle, the lobes linear-oblong, 2–7 mm wide, the central one sometimes again lobed; heads few or solitary, short-pedunculate, the disk yellow, 8–15 mm wide; outer invol bracts 8–12, linear-oblong, nearly equaling the much wider and thinner, broadly rounded or obtuse inner ones; rays 1.5–3 cm, yellow; receptacular bracts linear-clavate, acutish; disk-cors 5-toothed; style appendages cuspidately acute; achenes 5–6.5 mm, narrowly winged; pappus obsolete or of 2 callous teeth; 2n=26. Prairies and open woods; Mich. to Man. s. to La. and Tex. June, July.

More

Perennials, 30–80 cm. Internodes (± mid stem) 25–50 mm. Leaves: petioles 0–1 mm (or 5–25+ mm, winged, and scarcely distinct from blades); blades not 3-foliolate, most with 3(–5+), ± oblong to linear lobes (5–)15–40+ × 2–3(–7+) mm (sometimes some leaves not lobed). Peduncles 1–4+ cm. Calyculi of 9–12+ oblong to lanceolate bractlets 3–9+ mm. Phyllaries 8, ± oblong to nearly orbiculate, 6–10 mm. Ray laminae 15–25+ mm. Disc florets 60–80+; corollas yellow (sometimes drying blackish), 5–6.5 mm. Cypselae oblong, 5–6 mm. 2n = 26.

Life form

perennial

Growth form

herb

Growth support

free-standing

Foliage retention

-

Sexuality

hermaphrodite

Pollination

-

Spread

-

Mature width (meter)

-

Mature height (meter)

0.3 - 0.8

Root system

-

Rooting depth (meter)

-

Root diameter (meter)

0.3

Flower color

Blooming months

Jan	Feb	Mar
Apr	May	Jun
Jul	Aug	Sep
Oct	Nov	Dec

Fruit color

-

Fruiting months

-

Nitrogen fixer

-

Photosynthetic pathway

c3

Environment

Light
Soil humidity
Soil texture
Soil acidity
Soil nutriment	-
Hardiness (USDA)

Usage

Uses	environmental use medicinal
Edible	-
Therapeutic use	Orthopedic Aid (seed)
Human toxicity	-
Animal toxicity	-

Cultivation

Mode	-
Germination duration (days)	38 - 41
Germination temperacture (C°)	9 - 13
Germination luminosity	light
Germination treatment	-
Minimum temperature (C°)	-35
Optimum temperature (C°)	-
Size	-
Vigor	-
Productivity	-