Luzula orestera |
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alpine woodrush, heath wood rush, Sierra woodrush |
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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 |
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Phenology | Flowering and fruiting summer. |
Habitat | Alpine and subalpine meadows, fell-fields |
Elevation | 2700–3600 m (8900–11800 ft) |
Distribution |
CA
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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 | |
Synonyms | L. campestris var. congesta, L. campestris var. sudetica |
Name authority | Sharsmith: Aliso 4: 125. (1958) |
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