Compilation
Luzula beringensis
1 Images see all
Name
Identification
Luzula beringensis Tolm. [family JUNCACEAE ] (stored under name); Verified by Not on sheet, Luzula beringensis Tolm. [family JUNCACEAE ] Verified by Not on sheet, Luzula arcuata (Wahlenb.) Sw. [family JUNCACEAE ] Verified by Hämet-Ahiti, L., 1973
Related name
- Luzula beringensis
- Luzula arcuata
Flora
Entry for Luzula arcuata subsp. unalaschkensis (Buchenau) Hulten [family JUNCACEAE]
Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 22,
Names
Luzula arcuata subsp. unalaschkensis (Buchenau) Hulten [family JUNCACEAE], Arkiv for Botanik utgivet av K. Svenska Vetenskapsakademien, n.s. 7:32. 1968
Luzula arcuata var. unalaschkensis Buchenau [family JUNCACEAE], Bot. Jahrb. Syst., 12: 124. 1890
Luzula arcuata var. kamtschadalorum Samuelsson [family JUNCACEAE]
Luzula beringensis Tolmachev [family JUNCACEAE]
Luzula kamtschadolarum (Samuelsson) Gorodkov [family JUNCACEAE]
Luzula unalaschkensis (Buchenau) Satake [family JUNCACEAE]
Luzula unalaschkensis subsp. kamtschdalorum (Samuelsson) Tolmachev [family JUNCACEAE]
Treatment Author(s)
Janice Coffey Swab
Information
Stolons short to (rarely) 15 cm. Culms loosely cespitose, usually slightly arched, 15--30 cm, thin. Leaves: sheaths brownish purple, throats rounded, densely pilose; basal leaves flat, 8--15 cm x 3--5 mm, not reaching inflorescences, margins pubescent; cauline leaves 1--3, smaller than basal, not reaching inflorescences. Inflorescences corymbose, proximal branch longest; glomerules 8--15 (each with 3--5 flowers, sometimes reduced to 1--2 flowers), pedunculate, capitate or spicate; branches mostly arching in same direction (often branching at apex); proximal inflorescence bract bladeless; bracts and bracteoles brown, ciliate. . Flowers: tepals light brown, (margins ± ciliate, apex acuminate, usually distinctly awned), 1.8--3 mm; anthers ± equaling filament length. Capsules brown, ellipsoid, shorter than tepals; (beak short). Seeds brown (with few hairs present), 1 mm, few hairs present; caruncle generally indistinct. 2n = 36.
Phenology
Flowering and fruiting summer
Altitude range
50--2500 m
Distribution
e Asia.USA AlaskaUSA Mont.USA Wash.Canada Alta.Canada B.C.Canada N.W.T.Canada Yukon
Discussion
In Luzula arcuata subsp. unalaschkensis the sheath throats are rounded and densely pilose; basal leaves are flat with pubescent margins.