Luzula wahlenbergii |
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Wahlenberg's wood rush |
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Rhizomes | short. |
Culms | cespitose, 15–30(–35) cm. |
Leaves | sheath throat acutely angled, pilose; basal leaf blade 5–10 cm × 3–8 mm, apex short acuminate, mostly glabrous; cauline leaves (1–)2–4, 3–5 cm × 2–4 mm. |
Inflorescences | anthelate, few flowered; main branches generally 2–4, spreading less than 90°, lax, usually arching; proximal inflorescence bract 1 cm or less; bracts and bracteoles brown; margins with long curly cilia. |
Flowers | solitary on short pedicels; tepals dark purplish brown (margins finely lacerate toward apex), 2–2.5 mm, margins finely lacerate toward apex, apex acute, not reflexed; anthers ± equaling filament length; stigmas 2 times style length. |
Capsules | dark brown, less than 2.5 mm, slightly longer than tepals; beak absent. |
Seeds | dark reddish brown, cylindric, 1.2–1.6 mm; caruncle essentially absent. |
2n | = 24. |
Luzula wahlenbergii |
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Phenology | Flowering and fruiting late summer. |
Habitat | Wet mossy arctic and alpine tundra, lake shores, alluvial rivers, shores of alpine creeks, gneissic seashores |
Elevation | 40–600 m (100–2000 ft) |
Distribution |
AK; BC; MB; NT; NU; QC; YT; Greenland; Eurasia |
Source | FNA vol. 22. |
Parent taxa | Juncaceae > Luzula > subg. Anthelaea |
Sibling taxa | |
Name authority | Ruprecht: Fl. Samojed. Cisural. 58. (1845) |
Web links |