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Deschampsia setacea

Interesting Facts

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Description

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Genus Deschampsia

Perennials , densely tufted . Leaf blades mainly basal, linear to setaceous , flat, folded or rolled; ligule membranous. Inflorescence usually an open panicle, infrequently contracted or spikelike; branches and pedicels usually filiform . Spikelets oblong to gaping , shining, laterally compressed , florets 2-3(-5), disarticulating below each floret; rachilla pilose , extended beyond uppermost floret; glumes lanceolate to oblong, subequal , ± equaling spikelet, membranous, shining, keeled , lower glume 1-veined, upper glume 1-3-veined; floret callus small, pubescent to conspicuously bearded ; lemmas lanceolate to oblong, hyaline to shiny cartilaginous , back rounded , finely 4-veined (5th midvein extended into awn ), glabrous , awned from near base or in lower half, apex membranous, broad, 4-toothed or denticulately truncate ; awn straight or weakly geniculate , usually not exserted from spikelet; palea hyaline, subequal to lemma. Ovary glabrous. Caryopsis with solid endosperm.

About 40 species: temperate and cold regions of the world; three species in China.[1]

Habitat

Typically found at an altitude of 0 to 4,641 meters (0 to 15,226 feet).[2]

Taxonomy

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Notes

An accepted name in the RHS Horticultural Database.

Similar Species

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Members of the genus Deschampsia

ZipcodeZoo has pages for 23 species, subspecies, varieties, forms, and cultivars in this genus:

D. alpina (Alpine Hair Grass) · D. beringensis (Bering Hair Grass) · D. brevifolia (Bering Hairgrass) · D. caespitosa (Mackenzie Hairgrass) · D. caespitosa caespitosa (Tufted Hair Grass) · D. caespitosa viviparia (Tufted Hair Grass) · D. caespitosa 'Bronzeschleier' (Bronze Veil Tufted Hair Grass) · D. caespitosa 'Goldgehaenge' (Gold Pendant Tufted Hair Grass) · D. caespitosa 'Schottland' (Tufted Hair Grass) · D. caespitosa 'Tautrager' (Tufted Hair Grass) · D. cespitosa alpina (Tufted Hairgrass) · D. cespitosa cespitosa (Tufted Hair Grass) · D. cespitosa parviflora (Tufted Hairgrass) · D. cespitosa subsp. alpina (Alpine Tufted Hairgrass) · D. cespitosa 'Northern Lights' (Tufted Hairgrass) · D. congestiformis (Montana Hairgrass) · D. danthonioides (Annual Hair Grass) · D. elongata (Slender Hair Grass) · D. flexuosa (Crinkled Hair Grass) · D. flexuosa var. flexuosa (Wavy Hairgrass) · D. flexuosa var. montana (Montana Wavy Hairgrass) · D. holciformis (Pacific Hair Grass) · D. nubigena (Alpine Hairgrass)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal March 16, 2008:

Identifiers

Footnotes

  1. Zhen-lan Wu & Sylvia M. Phillips "Deschampsia". in Flora of China Vol. 22 Page 316, 332. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  2. Mean = 165.460 meters (542.848 feet), Standard Deviation = 304.270 based on 74,144 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 7/21/2012