Coreopsis rosea |
Coreopsis intermedia |
|
---|---|---|
pink tick-seed |
goldenwave tickseed |
|
Habit | Perennials, 10–30(–60) cm. | Perennials, 60–90+ cm. |
Leaves | 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. |
mostly cauline on proximal 1/2–2/3 of plant heights; petioles 0–35+ mm; blades usually simple, rarely with 1(–3+) lateral lobes, simple blades or terminal lobes oblong-elliptic or ovate to elliptic, 45–95+ × 22–35+ mm. |
Peduncles | 2–4(–6+) cm. |
12–25(–40) cm. |
Ray laminae | pinkish to white, 9–15+ mm. |
yellow, 20–30+ mm. |
Disc florets/ |
40–60+; corollas ochroleucous to yellow, 2.5–3 mm. |
3.4–4.4 mm, apices yellow. |
Phyllaries | deltate-ovate, 4.5–5.5 mm. |
lance-ovate to lanceolate, 9–12 mm. |
Calyculi | of oblong to linear bractlets 1.5–2+ mm. |
of lanceolate to lance-linear bractlets 6–9 mm. |
Cypselae | narrowly oblong, 1.3–1.8 mm, not winged; pappi 0. |
2.2–2.8 mm, wings ± spreading, ± chartaceous, entire. |
Internodes | (± mid stem) 1–4(–5+) cm. |
|
Aerial | nodes proximal to first peduncle usually (5–)6–12+, distalmost 1–3 internodes 4–12 cm. |
|
2n | = 26. |
= 26 |
Coreopsis rosea |
Coreopsis intermedia |
|
Phenology | Flowering Aug–Sep. | Flowering May–Jul. |
Habitat | Sandy shores, marsh edges, etc. | Sandy soils, openings in scrub-oak woodlands, roadsides and other disturbed sites |
Elevation | 0–50 m (0–200 ft) | 60–300 m (200–1000 ft) |
Distribution |
DE; MA; NJ; PA; RI; SC; NS
|
AR; LA; OK; TX |
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. 196. | FNA vol. 21, p. 195. |
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Eublepharis | Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Coreopsis > sect. Coreopsis |
Sibling taxa | ||
Name authority | Nuttall: Gen. N. Amer. Pl. 2: 179. (1818) | Sherff: Bot. Gaz. 88: 299. (1929) |
Web links |