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hairy wood rush

Rhizomes

similar to stolons.

Culms

loosely cespitose, 10–40 cm × width3–5 mm.

Stolons

to 6 cm, scale leaves present.

Leaves

sheaths reddish, throat pilose;

blade sparsely pubescent;

basal leaves 32 cm × 12 mm;

cauline leaves 2–4, 2–4 cm × 2–5 mm.

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.

Flowers

tepals pale to dark brown, 3–4.5 mm, margins entire, clear;

anthers 2 times filament length;

stigmas ± equaling style length.

Capsules

green to straw-colored, exceeding tepals;

beak a mucro;

valves widely spreading upon splitting.

Seeds

reddish to brown, 1–1.5 mm;

caruncle curved, ± equaling length of seed body.

2n

= 48.

Luzula acuminata

Distribution
from USDA
[WildflowerSearch map]
[BONAP county map]
Discussion

Varieties 2 (2 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Key
1. Inflorescences simple, with occasional branch from near base of flower
var. acuminata
1. Inflorescences usually branching, with pedicels commonly paired
Luzula acuminata var. carolinae
Source FNA vol. 22, p. 256.
Parent taxa Juncaceae > Luzula > subg. Pterodes
Sibling taxa
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. piperi, L. rufescens, L. spicata, L. subcapitata, L. subcongesta, L. wahlenbergii
Subordinate taxa
L. acuminata var. acuminata
Name authority Rafinesque: Autikon Botanikon 3: 193. (1840)
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