Difference between revisions of "Deschampsia cespitosa"

From Puget Prairie Plants
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'''''Deschampsia cespitosa''''', commonly called tufted hairgrass, is a native perennial, tussock- forming grass. It is also called Beringian grass.
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'''Synonyms:'''
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*''Agrostis caespitosa'' (L.) Salisb.
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*''Aira alpicola (Rydb.)'' Rydb.
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*''Aira ambigua'' Michx.
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*''Aira aristulata'' Torr.
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*''Aira caespitosa'' Muhl.
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*''Aira cespitosa'' L.
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*''Avena caespitosa'' (L.) Kuntze
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*''Campella caespitosa'' (L.) Link
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*''Deschampsia alpicola'' Rydb.
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*''Deschampsia ambigua P.'' Beauv. ex B.D. Jacks.
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*''Deschampsia andina'' Phil.
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*''Deschampsia biebersteiniana'' Schult.
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*''Deschampsia caespitosa'' (L.) P. Beauv.
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*''Deschampsia caespitosa'' ssp. genuina (Reichenb.) Volk.
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*''Deschampsia cespitosa'' var. confinis Vasey ex Beal
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*''Deschampsia cespitosa'' ssp. genuina (Reichenb.) Volk.
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*''Deschampsia cespitosa'' var. strictior Kurtz
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*''Deschampsia confinis'' (Vasey ex Beal) Rydb.
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*''Deschampsia pungens'' Rydb.
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*''Podionapus caespitosus'' (L.) Dulac
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==Taxonomy==
 
==Taxonomy==
 
==Description==
 
==Description==

Revision as of 11:55, 7 May 2012

Deschampsia cespitosa, commonly called tufted hairgrass, is a native perennial, tussock- forming grass. It is also called Beringian grass.

Synonyms:

  • Agrostis caespitosa (L.) Salisb.
  • Aira alpicola (Rydb.) Rydb.
  • Aira ambigua Michx.
  • Aira aristulata Torr.
  • Aira caespitosa Muhl.
  • Aira cespitosa L.
  • Avena caespitosa (L.) Kuntze
  • Campella caespitosa (L.) Link
  • Deschampsia alpicola Rydb.
  • Deschampsia ambigua P. Beauv. ex B.D. Jacks.
  • Deschampsia andina Phil.
  • Deschampsia biebersteiniana Schult.
  • Deschampsia caespitosa (L.) P. Beauv.
  • Deschampsia caespitosa ssp. genuina (Reichenb.) Volk.
  • Deschampsia cespitosa var. confinis Vasey ex Beal
  • Deschampsia cespitosa ssp. genuina (Reichenb.) Volk.
  • Deschampsia cespitosa var. strictior Kurtz
  • Deschampsia confinis (Vasey ex Beal) Rydb.
  • Deschampsia pungens Rydb.
  • Podionapus caespitosus (L.) Dulac


Taxonomy

Description

Bloom Period

Distribution

Habitat

Uses

Propagation

Photo Gallery

References

Seed

Abbreviation: DECE

Average Measurement with husk/awn: 3.4 x 0.8 x 0.8

Average Measurement without husk/awn: 1.8 x 0.6 x 0.6

Measurement Range with husk/awn: L: 2.5 – 4.5, W: 0.5 – 1, D: 0.6 – 1

Measurement Range with husk/awn: L: 1.5 – 2, W: 0.5 – 0.75, D: 0.5 – 0.6

Features

Shape: Seed narrow at hilum and opposite apex, rounded in the middle.

Additional Structures: Lemma thin, and have several nerves running across them. Awn originates from the hilum and is about 1 ½ times the length of the seed body. Hilum bearded with feather like appendage. Palea also thin.

Color: Tan palea and lemma, awn slightly darker brown. Inner seed red-brown, and somewhat transparent.

Surface: Seed finely longitudinally striate and lustrous. Awn finely barbed.

Latitudinal Cross Section: elliptical DECE lat.png

Longitudinal Cross Section: elliptical DECE long.png