Carex cryptolepis

Mackenzie

Torreya 14: 157. 1914.

Common names: Carex à écailles cachées
IllustratedEndemic
Treatment appears in FNA Volume 23. Treatment on page 525. Mentioned on page 521, 523, 524.

Plants cespitose. Culms straight, 10–50 cm, tallest ones 25–50 cm. Leaves of flowering stems usually shorter than culms, 5–20 cm × 1.5–2.9 mm; ligules on distal cauline leaves truncate or rounded. Inflorescences: peduncles of terminal staminate spikes 0.5–8 mm, 0.2–0.5 length of staminate spikes; bracts to 20 cm × 1.1–2.9 mm, 1.5–4 times as long as inflorescences; inner band of sheaths concave or truncate. Spikes: proximal pistillate spikes (1–)2–5, approximate, subsessile or short-pedunculate, globose to elliptic, 8.5–19.9 × 4.1–9.8 mm; terminal staminate spikes pedunculate, 12–21 × 1.3–2.7 mm. Scales: pistillate scales yellowish green, inconspicuous among perigynia, 1.7–2.6 × 0.8–1.2 mm; staminate scales yellowish green, ovate, 2.9–4.4 × 0.8–1.6 mm, apex obtuse or acute to acuminate. Anthers 1.1–2.9 mm. Perigynia reflexed, yellowish green, 3.5–4.8 × 1.1–1.7 mm, apex gradually narrowed; beak 1.4–2.5 mm, forming an angle of 13–48° with body, smooth. Achenes 1.2–1.5 × 1–1.2 mm. 2n = 64.


Phenology: Fruiting Jun–Aug.
Habitat: Acidic, sandy or organic substrates on open, emergent shorelines, not found on lime-rich soils
Elevation: 0–500 m

Distribution

V23 981-distribution-map.jpg

N.B., Nfld. and Labr., N.S., Ont., Que., Conn., Ind., Maine, Mass., Mich., Minn., N.H., N.J., N.Y., Ohio, R.I., Vt., Wis.

Discussion

The name Carex flava var. fertilis Peck has been misapplied to C. cryptolepis.

Selected References

None.

Lower Taxa

None.
... more about "Carex cryptolepis"
William J. Crins +
Mackenzie +
Carex à écailles cachées +
N.B. +, Nfld. and Labr. +, N.S. +, Ont. +, Que. +, Conn. +, Ind. +, Maine +, Mass. +, Mich. +, Minn. +, N.H. +, N.J. +, N.Y. +, Ohio +, R.I. +, Vt. +  and Wis. +
0–500 m +
Acidic, sandy or organic substrates on open, emergent shorelines, not found on lime-rich soils +
Fruiting Jun–Aug. +
Illustrated +  and Endemic +
Carex cryptolepis +
Carex sect. Ceratocystis +
species +