Difference between revisions of "Danthonia unispicata"
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|distribution=Colo.;Wash.;Utah;Calif.;Oreg.;Alta.;B.C.;Sask.;Mont.;Wyo.;Idaho;Nev.;S.Dak. | |distribution=Colo.;Wash.;Utah;Calif.;Oreg.;Alta.;B.C.;Sask.;Mont.;Wyo.;Idaho;Nev.;S.Dak. | ||
| − | |discussion=<p>Danthonia unispicata is restricted to western North America, where it grows in prairies and meadows, on rocky slopes, and in dry openings up to timberline in the mountains. It differs from D. californica in its shorter stature, usually densely pilose foliage, short, erect pedicels, and the usually erect cauline leaf blades. It is closely related to D. californica, and some authors prefer to treat it as D. californica var. unispicata Thurb.</p> | + | |discussion=<p><i>Danthonia unispicata</i> is restricted to western North America, where it grows in prairies and meadows, on rocky slopes, and in dry openings up to timberline in the mountains. It differs from <i>D. californica</i> in its shorter stature, usually densely pilose foliage, short, erect pedicels, and the usually erect cauline leaf blades. It is closely related to <i>D. californica</i>, and some authors prefer to treat it as <i>D. californica</i> var. unispicata Thurb.</p> |
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V25/V25_968.xml |
|subfamily=Poaceae subfam. Danthonioideae | |subfamily=Poaceae subfam. Danthonioideae | ||
|tribe=Poaceae tribe Danthonieae | |tribe=Poaceae tribe Danthonieae | ||
Revision as of 16:35, 18 September 2019
Culms (10)15-30(42) cm, disarticulating at the nodes at maturity. Sheaths usually densely pilose, hairs sometimes papillose-based (upper sheaths sometimes glabrous); blades 3-8(20) cm long, 1-3 mm wide, both surfaces sparsely to densely pilose, sometimes also scabrous or hirsute (rarely glabrous). Inflorescences with 1-2(3) spikelets, if more than 1, racemose; pedicels stiff, appressed, shorter than the spikelets. Spikelets (8)12-26 mm. Calluses of middle florets longer than wide, concave abaxially; lemma bodies 5.5-11 mm, glabrous over the back (rarely with a few scattered hairs), margins pilose (rarely glabrous), apical teeth 1.5-7 mm, acute to aristate; awns 5.5-13 mm; anthers to 3.5 mm. Caryopses 2.2-4 mm long, about 1 mm wide. 2n = 36.
Distribution
Colo., Wash., Utah, Calif., Oreg., Alta., B.C., Sask., Mont., Wyo., Idaho, Nev., S.Dak.
Discussion
Danthonia unispicata is restricted to western North America, where it grows in prairies and meadows, on rocky slopes, and in dry openings up to timberline in the mountains. It differs from D. californica in its shorter stature, usually densely pilose foliage, short, erect pedicels, and the usually erect cauline leaf blades. It is closely related to D. californica, and some authors prefer to treat it as D. californica var. unispicata Thurb.
Selected References
None.