Luzula parviflora

(Ehrhart) Desvaux

J. Bot. (Desvaux) 1: 144. 1808.

Common names: Small-flowered wood rush
Illustrated
Basionym: Juncus parviflorus Ehrhart Beitr. Naturk. 6: 139. 1791
Treatment appears in FNA Volume 22.

Stolons to 5 cm or absent. Culms loosely cespitose, (20–) 30–100 cm, base often reddish, often distinctly so at proximal internodes. Leaves: sheath throat with long, soft hairs; basal leaf-blade 12–17 cm × 5–10 mm, mostly glabrous; cauline leaves 3–6, dull yellowish or bluish to gray-green to shiny, bright green, 7–9 cm × 3–5 mm, apex acute to acuminate. Inflorescences anthelate, few-to-many flowered, 4–20 × 4–12 cm; major branches spreading less than 90°, lax, often arching; proximal inflorescence bract inconspicuous to leaflike, to 5 (–8) cm; bract margins entire to lacerate; bracteoles clear or brown, margins entire to lacerate. Flowers (1–) 2–4, crowded or open; tepals pale-brown to brown, broadly lanceolate, 1.8–2.5 mm, apex acute, not reflexed; anthers equaling to shorter than filaments; stigmas well exceeding style. Capsules straw-colored to dark-brown to blackish, spheric, less than 2.5 mm, equal to generally longer than tepals; beak absent. Seeds brown to brownish red or purple, ellipsoid, 1.1–1.5 mm. 2n = 24.


Phenology: Flowering and fruiting spring–late summer.
Habitat: Meadows in temperate to subalpine boreal forests, wet grasslands and tundra, willow copses, herb slopes
Elevation: 0–3300 m.

Distribution

V22 441-distribution-map.jpg

Greenland, St. Pierre and Miquelon, Alta., B.C., Man., N.B., Nfld. and Labr., N.W.T., N.S., Nunavut, Ont., Que., Sask., Yukon, Alaska, Ariz., Calif., Colo., Idaho, Maine, Mass., Mich., Minn., Mont., Nev., N.H., N.Mex., N.Y., Oreg., S.Dak., Utah, Vt., Wash., Wis., Wyo., Eurasia

Discussion

The base of the culm of Luzula parviflora is often reddish and often distinctly so at the proximal internodes.

Selected References

None.

Lower Taxa

None.
... more about "Luzula parviflora"
persistent +
bright green +
7cm;9cm +
not reflexed +
acute +  and acuminate +
3mm;5mm +
Janice Coffey Swab +
(Ehrhart) Desvaux +
12 cm120 mm <br />0.12 m <br /> (17 cm170 mm <br />0.17 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (?) +  and 1 cm10 mm <br />0.01 m <br /> (?) +
Juncus parviflorus +
channeled;flat +
entire;lacerate +
brown +  and clear +
arching;spreading +
straw-colored +  and dark-brown +
generally longer +
0 cm0 mm <br />0 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
bluish;gray-green +
Small-flowered wood rush +
30 cm300 mm <br />0.3 m <br /> (100 cm1,000 mm <br />1 m <br />) +
Greenland +, St. Pierre and Miquelon +, Alta. +, B.C. +, Man. +, N.B. +, Nfld. and Labr. +, N.W.T. +, N.S. +, Nunavut +, Ont. +, Que. +, Sask. +, Yukon +, Alaska +, Ariz. +, Calif. +, Colo. +, Idaho +, Maine +, Mass. +, Mich. +, Minn. +, Mont. +, Nev. +, N.H. +, N.Mex. +, N.Y. +, Oreg. +, S.Dak. +, Utah +, Vt. +, Wash. +, Wis. +, Wyo. +  and Eurasia +
0–3300 m. +
in dense clusters +  and inserted +
headlike +
Meadows in temperate to subalpine boreal forests, wet grasslands and tundra, willow copses, herb slopes +
multicellular +
flowered +  and anthelate +
5 cm50 mm <br />0.05 m <br /> (8 cm80 mm <br />0.08 m <br />) +
0 cm0 mm <br />0 m <br /> (5 cm50 mm <br />0.05 m <br />) +
4 cm40 mm <br />0.04 m <br /> (?) +  and 20 cm200 mm <br />0.2 m <br /> (?) +
few +  and many +
4 cm40 mm <br />0.04 m <br /> (12 cm120 mm <br />0.12 m <br />) +
3 +  and 1 +
entire +  and lacerate +
green;brown or purplish black +
persistent +
Flowering and fruiting spring–late summer. +
parietal +  and axile +
J. Bot. (Desvaux) +
brown +  and brownish red or purple +
ellipsoid +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
green;brown or purplish black +
persistent +
Illustrated +
generally longer +
0 cm0 mm <br />0 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Juncoides +
Luzula parviflora +
Luzula subg. Anthelaea +
species +
pale-brown +  and brown +
lanceolate +
0.18 cm1.8 mm <br />0.0018 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
indistinct +
herb +  and cespitose +