Coreopsis tripteris
Sp. Pl. 2: 908. 1753.
Synonyms: Coreopsis tripteris var. deamii Standley Coreopsis tripteris var. smithii Sherff
Revision as of 19:37, 16 December 2019 by FNA>Volume Importer
Perennials, 90–180+ cm. Internodes (± mid stem) 3–7(–10+) cm. Leaves: petioles 5–45 mm; blades usually 3-foliolate, leaflets usually simple, sometimes ± pinnately lobed, ultimate blades ± lanceolate, 4–9(–12+) cm × (9–)12–35+ mm. Peduncles 2–5+ cm. Calyculi of 5–6 oblong bractlets 1.5–5 mm. Phyllaries 8, ± oblong to lance-oblong, 6–8 mm. Ray laminae 12–22+ mm. Disc florets 40–80+; corollas red-brown to purplish, 5–6 mm. Cypselae obovate to oblong, 4–5(–6) mm. 2n = 26.
Phenology: Flowering Jul–Sep.
Habitat: Heavy loams, moist sands, along streams, boggy meadows
Elevation: 100–500 m
Distribution
Ont., Que., Ala., Ark., Conn., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mass., Mich., Miss., Mo., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Tex., Vt., Va., W.Va., Wis.
Discussion
Selected References
None.
Lower Taxa
None.