Carex leptopoda

Mackenzie in P. A. Rydberg
in P. A. Rydberg, Fl. Rocky Mts., 124, 1060. 1917.
IllustratedEndemic
Synonyms: Carex deweyana subsp. leptopoda (Mackenzie) Calder & Roy L. Taylor Carex deweyana var. leptopoda (Mackenzie) B. Boivin
Treatment appears in FNA Volume 23. Treatment on page 323. Mentioned on page 322, 324.

Plants loosely to densely cespitose. Culms 21–67 cm × 0.7–1.4 mm, smooth or papillose. Leaves: ligule of distal leaf (2.5–)3.4–6.8(–7.4) mm, 1.5–3 times as long as wide; blades 2.4–5.9 mm wide, widest blade 2.8–5.9 mm wide. Inflorescences (17–)34–43(–68) mm; proximal internode 4.1–16(–40) mm; proximal bract (11–)16–26(–61) mm, awn (9–)13–23(–59) mm; spikes 5–7, usually gynecandrous; proximal spikes with 2 staminate and 11–23 pistillate flowers, 8–15 × 3.3–5.8 mm; terminal spikes usually with 2–4 staminate and 16–20 pistillate flowers, 9–12.7 × 4.2–5.7 mm. Pistillate scales with whitish to stramineous margins, 2.6–3.3 × 1.2–1.8 mm, body (2.3–)2.7–3.8, apex acuminate to short-awned, awn to 0.7 mm. Staminate scales with whitish to stramineous margins, 1.9–2.8 × 1–1.3 mm. Anthers 1.8–1.9 mm. Perigynia ascending to erect, green to pale brown, 0–3-veined abaxially, prominently to weakly 0–2-veined adaxially, ovate to narrowly ovate, 3.3–3.9(–4.4) × 1.1–1.5 mm, 2.3–3 times as long as wide, apex abruptly contracted to gradually tapering; beak 0.9–1.5(–1.7) mm, (0.28–)0.3–0.38 times as long as perigynia, margins serrulate, apex entire or bidentulate, teeth to 0.3 mm, 0–0.08 times as long as perigynia. Stigmas 1.3–1.8 mm. Achenes 1.5–1.8(–1.9) × 0.9–1.4 mm, 1.2–1.5(–1.7) times as long as wide. 2n = 54.


Phenology: Fruiting spring–summer.
Habitat: Mesic to wet forests, forest edges, especially near streams
Elevation: 0–2500 m

Distribution

V23 570-distribution-map.jpg

B.C., Calif., Idaho, Mont., Oreg., Wash.

Discussion

Selected References

None.

Lower Taxa

None.

... more about "Carex leptopoda"
Robert F. C. Naczi +
Mackenzie in P. A. Rydberg +
Deweyanae +
B.C. +, Calif. +, Idaho +, Mont. +, Oreg. +  and Wash. +
0–2500 m +
Mesic to wet forests, forest edges, especially near streams +
Fruiting spring–summer. +
in P. A. Rydberg, Fl. Rocky Mts., +
Illustrated +  and Endemic +
Carex deweyana subsp. leptopoda +  and Carex deweyana var. leptopoda +
Carex leptopoda +
Carex sect. Deweyanae +
species +