Skip Navigation
Sign In
  • Home
  • Search
    • Search Collections
    • Map Search
  • Chicago Botanic Garden
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • Denver Botanic Gardens
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • Desert Botanical Garden
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • NY Botanical Garden
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • Marie Selby Botanical Gardens
    • Project Information
    • Checklists
    • Create a Checklist
    • Dynamic Key
  • Sitemap

Luzula subcongesta

Luzula subcongesta (S. Watson) Jeps.  
Family: Juncaceae
Donner Wood-Rush
[Luzula spadicea var. subcongesta S. Watson]
Luzula subcongesta image
  • FNA
  • Resources
Ralph E. Brooks;Steven E. Clemants;  in Flora of North America (vol. 22)
Rhizomes horizontal, stout. Culms 15--48 cm. Leaves: basal leaf sheaths bluish green; basal leaves bluish green, abruptly tapered, less than 19 cm x 3--5 mm, apex long. Inflorescences with glomerules crowded at ends of uneven peduncles; glomerules each with 3--12 flowers, central glomerules sessile or nearly sessile; peduncles arching in all directions; proximal inflorescence bract inconspicuous, 2--3 cm; bracteoles clear, margins ciliate. Flowers: tepals pale to dark brown (apex acute), 1.5--2 mm, apex acute; anthers ± equaling filament length. Capsules pale to dark brown-purple, shorter than tepals; (beak short). Seeds brown, oblong-ovoid, 1.1--1.2 mm; caruncle absent. 2n = 24.

Flowering and fruiting summer. Alpine to subalpine moist or wet places; 2000--3500 m; Calif., Oreg.

Luzula subcongesta has bluish green basal leaves, tapered abruptly to the long apex.



OTHER REFERENCES Boivin, B. 19672--1979. Flora of the prairie provinces. Part I(--IV). Monopsida. Phytologia 42(5): 385--414.15--18, 22--23, 42--43: passim. Hämet-Ahti, L. 1986. North American races of Juncus alpinoarticulatus. Ann. Bot. Fenn. 23: 277--281. Hämet-Ahti, L. and V. Virrankoski. 1971. Cytotaxonomic notes on some monocotyledons of Alaska and northern British Columbia. Ann. Bot. Fenn. 8: 156--159. Harriman, N. A. and D. Redmond. 1976. Somatic chromosome numbers for some North American species of Juncus L. Rhodora 78: 727--738. Holmen, K. and H. Mathiesen. 1953. Luzula wahlenbergii in Greenland. Bot. Tidsskr. 49: 233--238. Jørgensen, C. A., T. JH. Sørensen, and M. Westergaard. 1958. The flowering plants of Greenland: A taxonomical and cytological survey. Biol. Skr. 9(4): 1--172. Lindquist, B. 1932. Taxonomical remarks on Juncus alpinus Villars and some related species. Bot. Not. 1932: 313--372. Löve, Á. and D. Löve. 1966. Cytotaxonomy of the alpine vascular plants of Mount Washington. University of Colorado Stud. Ser. Biol. 24: 1--74. Murray, N. A. and D. M. Johnson. 1987. Taxonomic notes on Juncus pelocarpus s.l. Contr. Univ. Michigan Herb. 16: 179--187. Nordenskiöld, H. 1951. Cyto-taxonomical studies in the genus Luzula. I. Somatic chromosomes and chromosome numbers. Hereditas (Lund) 37: 325--355. Packher, J. G. 1964. Chromosome numbers and taxonomic notes on western Canadian and Arctic plants. Canad. J. Bot. 42: 473--494.

Luzula subcongesta
Open Interactive Map
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Luzula subcongesta image
Click to Display
65 Total Media
Institute for Museum and Library Services KU BI Logo Logo for the Biodiversity Knowledge Integration Center

This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].

EcoFlora is part of the SEINet Portal Network. Learn more here.

Powered by Symbiota.