Luzula pallidula |
Luzula piperi |
|
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Eurasian woodrush, pale European wood rush |
Piper's wood-rush, smooth woodrush |
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Rhizomes | thickened. |
horizontal, short. |
Culms | cespitose, 9–35 cm. |
densely cespitose, 10–30(–35) cm. |
Leaves | basal leaves 6–11.5 cm × 1.5–4 mm, apex not callous, sparingly ciliate. |
basal blade green, 5–10 cm × 2–4 mm, firm, essentially glabrous; cauline leaves 2–3, 3–7 cm × 3–5 mm. |
Inflorescences | umbellate-paniculate; glomerules 4–30 (each with 9–24 flowers), central glomerules sessile or nearly sessile, cylindric, 6–10 × 4 mm; branches straight, erect, to 3 cm; proximal inflorescence bract conspicuous, leaflike, equal to much longer than inflorescence; bracts clear, sometimes variegated with purple; bracteole margins dentate to lacerate. |
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 | tepals clear to straw-colored throughout or centers brown with clear margins and apex, 1.5–2.6 mm; outer whorl exceeding inner whorl, (outer whorl apex awned); anthers equaling to 1.5 times filament length. |
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 | light or dark reddish, shining, spheric, usually equaling inner tepal whorl. |
dark brown, ellipsoid, shorter than 2.5 mm, longer than tepals; beak absent. |
Seeds | translucent brown, ellipsoid, 0.7–1 mm; caruncle 0.2–0.3 mm. |
light yellow-brown, lanceolate, narrowed at ends, 1.2 mm. |
2n | = 12. |
= 24. |
Luzula pallidula |
Luzula piperi |
|
Phenology | Flowering and fruiting early–late summer. | Flowering and fruiting summer. |
Habitat | Moist to wet woods, grassy places, and clearings on rocky places and barrens | Snowbeds and mesic heaths in subalpine and oceanic zones |
Elevation | 0–1000 m (0–3300 ft) | 400–2400 m (1300–7900 ft) |
Distribution |
NY; VT; NB; NF; QC; Eurasia [Introduced in North America] |
AK; ID; MT; OR; WA; AB; BC; YT; e Asia
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Discussion | Basal leaves of Luzula pallidula are sparingly ciliate. For discussion of the change of the widely known name for this species, see J. Kirschner (1990). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 22. | FNA vol. 22. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Juncus pallescens, L. pallescens | Juncoides piperi, L. wahlenbergii subsp. piperi |
Name authority | Kirschner: Taxon 39: 110. (1990) | (Coville) M. E. Jones: Bull. Biol. Ser. Bull. State Univ. Montana 15: 22. (1910) |
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