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Eurasian woodrush, pale European wood rush

Piper's wood-rush, smooth woodrush

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
from FNA
NY; VT; NB; NF; QC; Eurasia [Introduced in North America]
[BONAP county map]
from FNA
AK; ID; MT; OR; WA; AB; BC; YT; e Asia
[WildflowerSearch map]
[BONAP county map]
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.)

Source FNA vol. 22. FNA vol. 22.
Parent taxa Juncaceae > Luzula > subg. Luzula Juncaceae > Luzula > subg. Anthelaea
Sibling taxa
L. acuminata, L. arctica, L. arcuata, L. bulbosa, L. campestris, L. comosa, L. confusa, L. divaricata, L. echinata, L. groenlandica, L. hitchcockii, L. kjellmaniana, L. luzuloides, L. multiflora, L. orestera, L. parviflora, L. piperi, L. rufescens, L. spicata, L. subcapitata, L. subcongesta, L. wahlenbergii
L. acuminata, L. arctica, L. arcuata, L. bulbosa, L. campestris, L. comosa, L. confusa, L. divaricata, L. echinata, L. groenlandica, L. hitchcockii, L. kjellmaniana, L. luzuloides, L. multiflora, L. orestera, L. pallidula, L. parviflora, L. rufescens, L. spicata, L. subcapitata, L. subcongesta, L. wahlenbergii
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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