Luzula orestera

Sharsmith

Aliso 4: 125. 1958.

Endemic
Basionym: Luzula campestris var. congesta Smiley Luzula campestris var. sudetica Linnaeus
Treatment appears in FNA Volume 22.

Culms densely cespitose, stiffly erect, reddish-brown, 3–26 cm. Leaves: basal leaves reddish, 2.5–7 cm × 2–5 mm, firm, apex callous, glabrous. Inflorescences pyramidal, 5–10 mm wide; glomerules 1–5, sessile, sometimes with 1–2 smaller glomerules on short peduncles; proximal inflorescence bract conspicuous, reddish, usually exceeding inflorescence, generally stiff; bracteoles clear. Flowers: tepals very dark with clear margins, 2–3 mm; outer whorl slightly exceeding inner whorl; anthers ± equaling filaments. Capsules dark-brown to black in distal portion, much shorter than tepals; (beak 0.3 mm). Seeds dark-brown, oval, 0.8 mm; caruncle about 0.2 mm. 2n = 20, 22.


Phenology: Flowering and fruiting summer.
Habitat: Alpine and subalpine meadows, fell-fields
Elevation: 2700–3600 m

Discussion

The culms of Luzula orestera are reddish brown and stiffly erect; basal leaves are reddish, firm, and glabrous with an overlapping arrangement.

Selected References

None.

Lower Taxa

None.
... more about "Luzula orestera"
persistent +
Janice Coffey Swab +
Sharsmith +
2.5 cm25 mm <br />0.025 m <br /> (7 cm70 mm <br />0.07 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 0.5 cm5 mm <br />0.005 m <br /> (?) +
Luzula campestris var. congesta +  and Luzula campestris var. sudetica +
channeled;flat +
dark-brown +  and black +
conspicuous;barely visible +
0.2 cm2 mm <br />0.002 m <br /> (?) +
reddish-brown +
3 cm30 mm <br />0.03 m <br /> (26 cm260 mm <br />0.26 m <br />) +
2700–3600 m +
in dense clusters +  and inserted +
headlike +
Alpine and subalpine meadows, fell-fields +
multicellular +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
3 +  and 1 +
green;brown or purplish black +
persistent +
Flowering and fruiting summer. +
parietal +  and axile +
dark-brown +
0.8 cm8 mm <br />0.008 m <br /> (?) +
green;brown or purplish black +
persistent +
generally longer +
Luzula sect. Gymnodes +  and Luzula subg. Gymnodes +
Luzula orestera +
Luzula subg. Luzula +
species +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
indistinct +
herb +  and cespitose +