Luzula piperi |
|
---|---|
Piper's wood-rush, smooth woodrush |
|
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 yellow-brown, lanceolate, narrowed at ends, 1.2 mm. |
2n | = 24. |
Luzula piperi |
|
Phenology | Flowering and fruiting summer. |
Habitat | Snowbeds and mesic heaths in subalpine and oceanic zones |
Elevation | 400–2400 m (1300–7900 ft) |
Distribution |
AK; ID; MT; OR; WA; AB; BC; YT; e Asia
|
Source | FNA vol. 22. |
Parent taxa | Juncaceae > Luzula > subg. Anthelaea |
Sibling taxa | |
Synonyms | Juncoides piperi, L. wahlenbergii subsp. piperi |
Name authority | (Coville) M. E. Jones: Bull. Biol. Ser. Bull. State Univ. Montana 15: 22. (1910) |
Web links |
|