Poa spp.
Family: Poaceae
Poa image
Spikelets 2-several-fld, ┬▒compressed laterally, disarticulating above the glumes and between the lemmas; glumes lanceolate to ovate, acute or subacute, 3-veined or the first 1-veined; lemma in most spp. keeled, often scarious at the margins and tip, generally 5-veined (but the intermediate veins obscure or obsolete in some spp.), often with a tuft of long, cobwebby hairs (called a web) at the base; uppermost florets reduced, unisexual or vestigial; rachilla in a few spp. finely puberulent or scaberulous, otherwise glabrous; lvs ending in a boat-shaped tip; panicles open or contracted, the branches generally in fascicles of 2-5, sometimes more. 150+, widespread, mostly temp. and boreal. Many of the spp. confluent through polyploid (often apomictic) forms.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Image of Poa acinaciphylla
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Image of Poa alopecurus
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Image of Poa altaica
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Image of Poa aspera
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Image of Poa asperifolia
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Image of Poa attenuata
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Poa
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Image of Poa brandegei
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Image of Poa brevipaniculata
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Image of Poa callichroa
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Image of Poa candamoana
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Image of Poa cenisia
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Image of Poa debilis
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Image of Poa eatoni
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Image of Poa fibrata
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Image of Poa filifolia
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Image of Poa flexuosa
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Image of Poa fragilis
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Image of Poa gymnantha
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Image of Poa horridula
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Image of Poa lanigera
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Image of Poa lanuginosa
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Image of Poa longipila
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Image of Poa macroclada
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Image of Poa matris-occidentalis
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Image of Poa montana
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Poa
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Image of Poa napensis
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Image of Poa nematophylla
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Image of Poa obvallata
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Image of Poa orizabensis
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Image of Poa parviceps
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Image of Poa phoenicea
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Image of Poa planifolia
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Poa
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Image of Poa pudica
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Image of Poa refracta
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Image of Poa remota
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Image of Poa rupestris
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Image of Poa ruprechtii
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Image of Poa seleri
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Image of Poa sheldoni
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Poa
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Image of Poa subreflexa
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Image of Poa tacanae
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Image of Poa thomasii
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Image of Poa trachyphylla
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Image of Poa tricholepis
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Image of Poa truncata
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Image of Poa vaseyochloa
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