Luzula piperi

(Coville) M. E. Jones

Bull. Biol. Ser. Bull. State Univ. Montana 15: 22. 1910.

Common names: Piper's wood rush
Basionym: Juncoides piperi Coville Contr. U.S. Natl. Herb. 11: 185. 1906
Synonyms: Luzula wahlenbergii subsp. piperi (Coville) Hultén
Treatment appears in FNA Volume 22.

Rhizomes horizontal, short. Culms densely cespitose, 10–30 (–35) cm. Leaves: basal blade green, 5–10 cm × 2–4 mm, firm, essentially glabrous; cauline leaves 2–3, 3–7 cm × 3–5 mm. Inflorescences: branches spreading less than 90°, lax; proximal inflorescence bract leaflike, 0.8–1.5 cm; bracts and bracteoles brown, clear at apex, margins strongly ciliate. Flowers single or in clusters of 2–3; tepals dark-brown, 1–2.5 mm, ± equal, apex acute, not reflexed; anthers ± equaling filament length; stigmas 5 times style length. Capsules dark-brown, ellipsoid, shorter than 2.5 mm, longer than tepals; beak absent. Seeds light yellowbrown, lanceolate, narrowed at ends, 1.2 mm. 2n = 24.


Phenology: Flowering and fruiting summer.
Habitat: Snowbeds and mesic heaths in subalpine and oceanic zones
Elevation: 400–2400 m

Distribution

V22 510-distribution-map.jpg

Alta., B.C., Yukon, Alaska, Idaho, Mont., Oreg., Wash., e Asia

Discussion

Lower Taxa

None.

"timesstylelength" is not declared as a valid unit of measurement for this property.

... more about "Luzula piperi"
persistent +
not reflexed +
Janice Coffey Swab +
(Coville) M. E. Jones +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Juncoides piperi +
channeled;flat +
clear +  and brown +
clear +  and brown +
ellipsoid +
2.5 cm25 mm <br />0.025 m <br /> (?) +
3 cm30 mm <br />0.03 m <br /> (7 cm70 mm <br />0.07 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Piper's wood rush +
10 cm100 mm <br />0.1 m <br /> (30 cm300 mm <br />0.3 m <br />) +
Alta. +, B.C. +, Yukon +, Alaska +, Idaho +, Mont. +, Oreg. +, Wash. +  and e Asia +
400–2400 m +
in dense clusters +  and inserted +
in clusters;single +
headlike +
Snowbeds and mesic heaths in subalpine and oceanic zones +
multicellular +
0.8 cm8 mm <br />0.008 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
3 +  and 1 +
green;brown or purplish black +
persistent +
Flowering and fruiting summer. +
parietal +  and axile +
Bull. Biol. Ser. Bull. State Univ. Montana +
h1965a +
light yellowbrown +
narrowed;lanceolate +
1.2 cm12 mm <br />0.012 m <br /> (?) +
green;brown or purplish black +
persistent +
generally longer +
Luzula wahlenbergii subsp. piperi +
Luzula piperi +
Luzula subg. Anthelaea +
species +
0.1 cm1 mm <br />0.001 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
indistinct +
herb +  and cespitose +