Luzula acuminata |
Luzula pallidula |
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hairy wood rush |
Eurasian woodrush, pale European wood rush |
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Rhizomes | similar to stolons. |
thickened. |
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Culms | loosely cespitose, 10–40 cm × width3–5 mm. |
cespitose, 9–35 cm. |
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Stolons | to 6 cm, scale leaves present. |
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Leaves | sheaths reddish, throat pilose; blade sparsely pubescent; basal leaves 32 cm × 12 mm; cauline leaves 2–4, 2–4 cm × 2–5 mm. |
basal leaves 6–11.5 cm × 1.5–4 mm, apex not callous, sparingly ciliate. |
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Inflorescences | cymose, not rarely branching or often branching to 6 cm; proximal inflorescence bract 1/2–2/3 inflorescence length; bracts straw-colored, apex truncate, lacerate, glabrous or pubescent; bracteoles lance-ovate, 1/3–1/2 tepal length; pedicels single or paired, erect to spreading, 1–4 cm. |
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. |
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Flowers | tepals pale to dark brown, 3–4.5 mm, margins entire, clear; anthers 2 times filament length; stigmas ± equaling style length. |
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. |
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Capsules | green to straw-colored, exceeding tepals; beak a mucro; valves widely spreading upon splitting. |
light or dark reddish, shining, spheric, usually equaling inner tepal whorl. |
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Seeds | reddish to brown, 1–1.5 mm; caruncle curved, ± equaling length of seed body. |
translucent brown, ellipsoid, 0.7–1 mm; caruncle 0.2–0.3 mm. |
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2n | = 48. |
= 12. |
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Luzula acuminata |
Luzula pallidula |
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Phenology | Flowering and fruiting early–late summer. | |||||
Habitat | Moist to wet woods, grassy places, and clearings on rocky places and barrens | |||||
Elevation | 0–1000 m (0–3300 ft) | |||||
Distribution |
NY; VT; NB; NF; QC; Eurasia [Introduced in North America] |
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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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Key |
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Source | FNA vol. 22, p. 256. | FNA vol. 22. | ||||
Parent taxa | Juncaceae > Luzula > subg. Pterodes | Juncaceae > Luzula > subg. Luzula | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Synonyms | Juncus pallescens, L. pallescens | |||||
Name authority | Rafinesque: Autikon Botanikon 3: 193. (1840) | Kirschner: Taxon 39: 110. (1990) | ||||
Web links |