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alpine woodrush, heath wood rush, Sierra woodrush

Culms

densely cespitose, stiffly erect, reddish brown, 3–26 cm.

Leaves

basal leaves reddish, 2.5–7 cm × 2–5 mm, firm, apex callous, glabrous.

Inflorescences

pyramidal, 5–10 mm wide;

glomerules 1–5, sessile, sometimes with 1–2 smaller glomerules on short peduncles;

proximal inflorescence bract conspicuous, reddish, usually exceeding inflorescence, generally stiff;

bracteoles clear.

Flowers

tepals very dark with clear margins, 2–3 mm;

outer whorl slightly exceeding inner whorl;

anthers ± equaling filaments.

Capsules

dark brown to black in distal portion, much shorter than tepals; (beak 0.3 mm).

Seeds

dark brown, oval, 0.8 mm;

caruncle about 0.2 mm.

2n

= 20, 22.

Luzula orestera

Phenology Flowering and fruiting summer.
Habitat Alpine and subalpine meadows, fell-fields
Elevation 2700–3600 m (8900–11800 ft)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

The culms of Luzula orestera are reddish brown and stiffly erect; basal leaves are reddish, firm, and glabrous with an overlapping arrangement.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 22.
Parent taxa Juncaceae > Luzula > subg. Luzula
Sibling taxa
L. acuminata, L. arctica, L. arcuata, L. bulbosa, L. campestris, L. comosa, L. confusa, L. divaricata, L. echinata, L. groenlandica, L. hitchcockii, L. kjellmaniana, L. luzuloides, L. multiflora, L. pallidula, L. parviflora, L. piperi, L. rufescens, L. spicata, L. subcapitata, L. subcongesta, L. wahlenbergii
Synonyms L. campestris var. congesta, L. campestris var. sudetica
Name authority Sharsmith: Aliso 4: 125. (1958)
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