Poa alpigena
| Poa alpigena | |
|---|---|
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Scientific classification
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Poaceae |
| Subfamily: | Pooideae |
| Genus: | Poa |
| Species: | P. alpigena
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| Binomial name | |
| Poa alpigena | |
| Synonyms[1] | |
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Poa alpigenais a species of grass occurring in mountainous regions. Its specific epithet "alpigena"means" growing in the alpine ".
Description
[edit]Poa alpigenagrows up to 75 cm (30 in) tall, with firm leaf blades. Itspaniclegrows up to 13 cm (5.1 in) high, with its lax branches sometimes reflexed. Its crowdedspikeletsare 3–7 mm (0.12–0.28 in) long. Itsglumesare lance-ovate, with the second glume sometime reaching to the middle of thelemmaabove it. The nerves of the glumes range from glabrous to scabrous, and the lemmas are minutely pubescent.[2]
Poa alpigenahas a similar habit toPoa arida,only taller.[2]The most distinguishing characteristic ofP. alpigenais its curved underground stem.[3]
The grass flowers from June to August.
Distribution and habitat
[edit]Poa alpigenaoccurs in alpine meadows, wet slopes, bogs, and other similar wet areas. It can be found fromGreenlandandLabradorto theYukon,and as far south asNewfoundland,Michigan,Prince Edward Island,and the alpine areas of theWhite Mountains.[2]In terms of soil content,P. alpigenaprefers loose, deep soil, especially sandyalluvium.[4]
References
[edit]- ^Qian, H.; Klinka, K. (1998).Plants of British Columbia: Scientific and Common Names of Vascular Plants, Bryophytes, and Lichens.UBC Press. p. 111.ISBN9780774806527.
- ^abcMerrit Lyndon Fernald (1970). R. C. Rollins (ed.).Gray's Manual of Botany(Eighth (Centennial) - Illustrated ed.). D. Van Nostrand Company. p. 118.ISBN0-442-22250-5.
- ^Bor, N. L. (1953)."THE GENUS POA LINN. IN INDIA".The Journal of the Bombay Natural History Society.50(1). Diocesan Press: 791.
- ^Schwarzenbach, F.H. (2010).Botanical Observations on the Penny Highlands of Baffin Island: A Historical Document.Verlag Books on Demand. p. 67.ISBN9783842318847.