Luzula acuminata

Rafinesque

Autikon Botanikon 3: 193. 1840.

Common names: Hairy wood rush
IllustratedEndemic
Treatment appears in FNA Volume 22. Treatment on page 256.

Rhizomes similar to stolons. Stolons to 6 cm, scale-leaves present. Culms loosely cespitose, 10–40 cm × width3–5 mm. 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 lanceovate, 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.

Discussion

Varieties 2 (2 in the flora).

Key

1 Inflorescences simple, with occasional branch from near base of flower Luzula acuminata var. acuminata
1 Inflorescences usually branching, with pedicels commonly paired Luzula acuminata var. carolinae

"timesfilamentlength" is not declared as a valid unit of measurement for this property.

... more about "Luzula acuminata"
persistent +
pubescent +  and glabrous +
lacerate +
Janice Coffey Swab +
Rafinesque +
32 cm320 mm <br />0.32 m <br /> (?) +
12 cm120 mm <br />0.12 m <br /> (?) +
Luzula sect. Pterodes +
channeled;flat +
straw-colored +
1/3 +  and 1/2 +
lanceovate +
green +  and straw-colored +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Hairy wood rush +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
North America +, Eurasia +  and e Africa +
in dense clusters +  and inserted +
headlike +
multicellular +
branching +  and cymose +
0 cm0 mm <br />0 m <br /> (6 cm60 mm <br />0.06 m <br />) +
3 +  and 1 +
erect;spreading +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
green;brown or purplish black +
persistent +
parietal +  and axile +
Autikon Botanikon +
ebinger1962a +
reddish +  and brown +
globose;ovoid +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
green;brown or purplish black +
persistent +
Illustrated +  and Endemic +
generally longer +
0 cm0 mm <br />0 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Juncoides +
Luzula acuminata +
Luzula subg. Pterodes +
species +
pale +  and dark-brown +
0.3 cm3 mm <br />0.003 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
indistinct +
herb +  and cespitose +