Muhlenbergia subg. Ramulosae P.M. Peterson, subgen. nov.
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publication ID |
https://dx.doi.org/10.3897/phytokeys.230.103882 |
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persistent identifier |
https://treatment.plazi.org/id/59162961-3AB4-5107-AAEC-05E20FE69006 |
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treatment provided by |
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scientific name |
Muhlenbergia subg. Ramulosae P.M. Peterson, subgen. nov. |
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Muhlenbergia subg. Ramulosae P.M. Peterson, subgen. nov.
Description.
Delicate annuals. Culms (3-)5-25 cm tall, erect or spreading, not rooting at the lower nodes. Leaf sheaths 3-30 cm long, usually shorter than the internodes; ligules 0.2-0.5 mm long, hyaline, apex truncate; blades 0.5-3.0 cm long, 0.8-1.2 mm wide, involute or flat. Panicles (1-)2-9 cm long, 0.6-2.7 mm wide, exserted, ovoid or deltoid, branches loosely contracted, ascending or spreading. Spikelets 1-flowered; glumes 0.4-0.7 mm long, shorter than the lemma, 1-veined, glabrous, apex obtuse to subacute; lemmas 0.8-1.3 mm long, oval, plump, 3-veined, awnless, mottled with greenish-black and greenish-white areas, apex acute. Stamens 3; anthers 0.2-0.3 mm long. Caryopses 0.5-1 mm long, ellipsoid.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.