Carex albicans var. emmonsii

(Dewey ex Torrey) Rettig

Sida 14: 133. 1990

IllustratedEndemic
Basionyms: Carex emmonsii Dewey ex Torrey Ann. Lyceum Nat. Hist. New York 3: 411. 1836,
Treatment appears in FNA Volume 23. Treatment on page 542. Mentioned on page 541.

Rhizomes ascending to erect, 0–5(–20) mm. Staminate spikes 5–8.5 × 0.8–1.3 mm; staminate scales from median portion of spike 2.8–4 × 0.6–1.9 mm, midrib prominent, usually elevated and extending to apex of scale, usually with small teeth (15X). Perigynia 2.3–3.3 × 0.8–1.2 mm; beak with apical teeth 0.1–0.3 mm. 2n = 40.


Phenology: Fruiting early May–mid Jun.
Habitat: Mesic to rich moist soils on slopes in partial shade of hardwoods, occasionally in drier sites of sandy loam under mixed hardwood-pine, in richer soils than other varieties
Elevation: 50–900 m

Distribution

V23 1021-distribution-map.jpg

N.B., N.S., Ont., Que., Ark., Conn., Del., Fla., Ga., Ill., Ind., Ky., Maine, Md., Mass., Mich., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va., Wis.

Discussion

Selected References

None.

Lower Taxa

None.

William J. Crins +  and Jeff H. Rettig +
(Dewey ex Torrey) Rettig +
Carex emmonsii +
N.B. +, N.S. +, Ont. +, Que. +, Ark. +, Conn. +, Del. +, Fla. +, Ga. +, Ill. +, Ind. +, Ky. +, Maine +, Md. +, Mass. +, Mich. +, Mo. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Pa. +, R.I. +, S.C. +, Tenn. +, Vt. +, Va. +, W.Va. +  and Wis. +
50–900 m +
Mesic to rich moist soils on slopes in partial shade of hardwoods, occasionally in drier sites of sandy loam under mixed hardwood-pine, in richer soils than other varieties +
Fruiting early May–mid Jun. +
Illustrated +  and Endemic +
Carex sect. Montanae +
Carex albicans var. emmonsii +
Carex albicans +
variety +