Difference between revisions of "Calamagrostis breweri"

Thurb.
Common names: Shorthair reedgrass
Endemic
Treatment appears in FNA Volume 24. Treatment on page 717.
imported>Volume Importer
imported>Volume Importer
Line 43: Line 43:
 
|publication year=
 
|publication year=
 
|special status=Endemic
 
|special status=Endemic
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V24/V24_1013.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V24/V24_1013.xml
 
|subfamily=Poaceae subfam. Pooideae
 
|subfamily=Poaceae subfam. Pooideae
 
|tribe=Poaceae tribe Poeae
 
|tribe=Poaceae tribe Poeae

Revision as of 20:48, 5 November 2020

Plants sometimes with sterile culms; densely cespitose, often with rhizomes to 5 cm long, 1-2 mm thick. Culms (18)29-54 cm, unbranched, smooth beneath the panicles; nodes 1-2(3). Leaves basally concentrated; sheaths and collars smooth or slightly scabrous; ligules 1.7-4.1(6) mm, usually lacerate; blades (2)10-15 cm long, 0.9-1.7 mm wide when flat, 0.4-0.6 mm in diameter when dry and involute, abaxial surfaces scabrous, adaxial surfaces sparsely hairy. Panicles (4)5.7-8.5 cm long, 0.7-5.2 cm wide, usually open, sometimes contracted, mostly erect, dark purple; branches (1)2-3(3.5) cm, smooth, spikelets usually confined to the ends of the branches. Spikelets 3-5 mm; rachilla prolongations about 1.5 mm, hairs 1.5-2 mm. Glumes rounded, usually smooth, occasionally scabrous at the apices, lateral veins obscure, apices acute to attenuate; callus hairs 0.3-1.2 mm, 0.2-0.5 times as long as the lemmas, sparse; lemmas 2.5-4 mm, 0.5-1 mm shorter than the glumes; awns 3.5-5.5 mm, attached to the lower 1/10 – 3/10 of the lemmas, exserted, bent; anthers 1.3-2.6 mm. 2n = 42.

Discussion

Calamagrostis breweri grows in moist subalpine and alpine meadows, lake margins, and stream banks, at 1700-2600 m, from Mount Hood in Oregon south to north of the Carson Pass area in Alpine and Amador counties, California. It differs from C. bolanderi (p. 719) in having basally concentrated leaves.

Selected References

None.

Lower Taxa

None.