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Carex copulata (L.H. Bailey) Mackenzie. Section: [26dd] Section 21 Careyanae. Common name: Spreading Sedge. Phenology: Apr-Jun. Habitat: Rich, mesic forests of floodplains and slopes. Distribution: PA, ON, and WI south to NC, n. AL, and AR.

Origin/Endemic status: Native

Taxonomy Comments: C. copulata has sometimes been considered the hybrid C. digitalis × laxiculmis, or alternatively a variety of C. laxiculmis. Naczi (1999b) reports chromosome numbers for the two entities, n= 22, 23, 25 for "laxiculmis", and n = 23-24 for "copulata"; normal pairing further suggests that var. copulata is not a hybrid. There is controversy over the validity of the combination at species rank (Carex copulata).

Synonymy ⓘ: = Il; Carex digitalis Willd. var. copulata (L.H.Bailey) L.H.Bailey; = Carex ×copulata (L.H.Bailey) Mack. — F, Mackenzie (1931-1935); = Carex laxiculmis Schwein. var. copulata (L.H.Bailey) Fernald — Ar, Can, FNA23, Mi, NS, NY, Pa, POWO, Tn, Va; = n/a — C; < Carex laxiculmis Schwein. — G, K4, RAB, S, W. Basionym: Carex digitalis Willd. var. copulata (L.H.Bailey) L.H.Bailey 1889

Links to other floras: = Carex laxiculmis var. copulata - FNA23

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Heliophily ⓘ: 2

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image of plant© Paul Marcum source | Original Image ⭷
image of plant© Nathan Aaron | Original Image ⭷

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Horticultural Information

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