Difference between revisions of "Coreopsis rosea"
Gen. N. Amer. Pl. 2: 179. 1818.
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|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Coreopsidinae | ||
Revision as of 20:37, 16 December 2019
Perennials, 10–30(–60) cm. Internodes (± mid stem) 1–4(–5+) 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. Peduncles 2–4(–6+) cm. Calyculi of oblong to linear bractlets 1.5–2+ mm. Phyllaries deltate-ovate, 4.5–5.5 mm. Ray laminae pinkish to white, 9–15+ mm. Disc florets 40–60+; corollas ochroleucous to yellow, 2.5–3 mm. Cypselae narrowly oblong, 1.3–1.8 mm, not winged; pappi 0. 2n = 26.
Phenology: Flowering Aug–Sep.
Habitat: Sandy shores, marsh edges, etc.
Elevation: 0–50 m
Distribution
N.S., Del., Mass., N.J., Pa., R.I., S.C.
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.
Selected References
None.