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tundra woodrush

Culms

loosely cespitose, light green, 15–25 cm.

Leaves

sheaths dull brown-gray at base, becoming green distally, throats hairless;

basal leaves flat toward base, channeled toward apex, 4–16 cm × 3–8 mm, apex abruptly pointed, callous, glabrous.

Inflorescences

asymmetric in appearance;

glomerules (1–)2–5, central glomerules sessile or nearly sessile, 3–9 × 2.5–6 mm;

capillary branches 2–8, arched in 1 direction, to 3.5 cm;

proximal inflorescence bract bladeless.

Flowers

tepals brownish translucent (apex lacerate to entire), 2–3 mm, apex lacerate to entire;

anthers equal to or exceeding filaments.

Capsules

light chestnut brown, broadly 3-angled, shorter than tepals.

Seeds

most failing to mature, brown (with few hairs present), 3-angled, 0.9–1.1 mm, few hairs present;

caruncle barely visible.

2n

= 36.

Luzula kjellmaniana

Phenology Flowering and fruiting summer.
Habitat Tundra
Elevation 50–2000 m (200–6600 ft)
Distribution
from FNA
AK; BC; NT; YT; ne Asia
[BONAP county map]
Discussion

Luzula kjellmaniana has light green culms, sheath throats essentially without hairs, and glabrous basal leaves that are flat toward the base and channeled toward the apex (the apex is abruptly pointed). Most seeds fail to mature.

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

Source FNA vol. 22.
Parent taxa Juncaceae > Luzula > subg. Luzula
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. luzuloides, L. multiflora, L. orestera, L. pallidula, L. parviflora, L. piperi, L. rufescens, L. spicata, L. subcapitata, L. subcongesta, L. wahlenbergii
Synonyms L. beeringiana, L. multiflora subsp. kjellmanniana, L. nivalis var. latifolia, L.uzula tundricola
Name authority Miyabe & Kudo: Transactions of the Sapporo Natural History Society 5: 38. (1913)
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