Coreopsis calliopsidea |
Coreopsis rosea |
|
---|---|---|
leafstem tickseed |
pink tick-seed |
|
Habit | Annuals, (5–)12–30(–50) cm. | Perennials, 10–30(–60) cm. |
Leaves | lobes linear, 3–30 × 0.5–3 mm. |
mostly cauline; opposite; petioles 0–1 mm, ciliate or not; blades lance-linear to linear or filiform, 20–45(–60) × 1–2(–3+) mm, rarely with 1–2 lateral lobes. |
Peduncles | 5–25+ cm. |
2–4(–6+) cm. |
Ray florets | (5–)8+; laminae 12–20(–30) mm. |
|
Ray laminae | pinkish to white, 9–15+ mm. |
|
Disc florets | (12–)40–100+; corollas 4–6.6 mm. |
40–60+; corollas ochroleucous to yellow, 2.5–3 mm. |
Phyllaries | (5–)8, lance-ovate to lanceolate, 6–10+ mm. |
deltate-ovate, 4.5–5.5 mm. |
Calyculi | of 3–5 ovate-deltate bractlets (3–)4–6 mm. |
of oblong to linear bractlets 1.5–2+ mm. |
Cypselae | narrowly oblong, 1.3–1.8 mm, not winged; pappi 0. |
|
Disc cypselae | oblanceolate to linear, 5–6 mm; pappi 3–4(–5) mm. |
|
Ray cypselae | ± oblong, 4–6 mm. |
|
Paleae | seldom basally adnate to and falling with disc cypselae. |
|
Internodes | (± mid stem) 1–4(–5+) cm. |
|
2n | = 24. |
= 26. |
Coreopsis calliopsidea |
Coreopsis rosea |
|
Phenology | Flowering Feb–Jun. | Flowering Aug–Sep. |
Habitat | Alkaline playas, flood plains, deep sands | Sandy shores, marsh edges, etc. |
Elevation | 100–1000 m (300–3300 ft) | 0–50 m (0–200 ft) |
Distribution |
CA
|
DE; MA; NJ; PA; RI; SC; NS
|
Discussion | Occurrence of Coreopsis rosea in South Carolina may represent a human-mediated disjunction; the collection came from a “lime sink” near a trailer park close to a freeway. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 21, p. 188. | FNA vol. 21, p. 196. |
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Pugiopappus | Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Eublepharis |
Sibling taxa | ||
Synonyms | Agarista calliopsidea | |
Name authority | (de Candolle) A. Gray: in W. H. Emory, Rep. U.S. Mex. Bound. 2(1): 90. (1859) | Nuttall: Gen. N. Amer. Pl. 2: 179. (1818) |
Web links |