View source for Digitaria bicornis

{{Treatment/ID
|accepted_name=Digitaria bicornis
|accepted_authority=(Lam.) Roem. & Schult.
|publications=
|basionyms=
|synonyms=
|hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Digitaria;Digitaria bicornis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Panicoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Paniceae]]</div><div class="higher-taxon"><small>genus</small>[[Digitaria]]</div><div class="higher-taxon"><small>species</small>[[Digitaria bicornis]]</div></div>
|volume=Volume 25
|mention_page=
|treatment_page=page 380
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>of indefinite duration; sometimes stoloniferous. <b>Culms</b> with erect portion 10-85 cm, long-decumbent, rooting and branching at the lower nodes. <b>Sheaths</b> with papillose-based hairs or the upper sheaths glabrous; ligules 1-4 mm; blades 3-14 cm long, 2-9 mm wide, mostly glabrous but the adaxial surfaces with papillose-based hairs basally. <b>Panicles</b> with (2)3-6 spikelike primary branches, these digitate or a few solitary branches below; lowest nodes glabrous or with hairs less than 0.4 mm; primary branches 6.5-21 cm long, 0.6-1.3 mm wide, axes winged, wings at least 1/2 as wide as the midribs, lower and middle portions bearing spikelets in unequally pedicellate pairs, pedicels not adnate to the branches; secondary branches absent; shorter pedicels about 0.2 mm; longer pedicels to 2 mm. <b>Spikelets</b> 2.6-3.7 mm, spikelet pairs dimorphic in their pubescence and venation pattern of the lower lemmas. <b>Lower</b> glumes absent or to 0.9 mm, deltoid or bifid; upper glumes 1.7-2.8 mm, 1/2 - 3/4 as long as the spikelets, 3-veined; lower lemmas 7-veined, veins smooth; lower lemmas of shortly pedicellate spikelets with 3 equally spaced, glabrous or shortly pubescent central veins, lemma margins and the region between the 2 lateral veins with appressed or spreading, 0.5-1 mm hairs; lower lemmas of long-pedicellate spikelets with unequally spaced veins, midvein well-separated from the 3 lateral veins, lateral veins crowded together near the margins, lemma margins and the region between the 2 inner lateral veins hairy with appressed or strongly divergent, 1-2 mm hairs, sometimes also with longer, glassy yellow hairs; upper lemmas of all spikelets usually yellow or gray, sometimes light brown, at maturity; anthers 0.5-0.6 mm. <b>2n</b> = 54, 72.</span><!--

-->{{Treatment/Body
|distribution=Puerto Rico;Va.;Tex.;La.;Ala.;Miss.;N.C.;S.C.;Ga.;Iowa;Fla.
|discussion=<p><i>Digitaria bicornis</i> is a common species on the sandy coastal plain of the southeastern United States. Its range extends through Mexico to Costa Rica and northern South America, as well as to the West Indies. The Californian record reflects a 1926 collection; the species is not known to be established in the state.</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Digitaria bicornis
|author=
|authority=(Lam.) Roem. & Schult.
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Poaceae
|distribution=Puerto Rico;Va.;Tex.;La.;Ala.;Miss.;N.C.;S.C.;Ga.;Iowa;Fla.
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V25/V25_1086.xml
|subfamily=Poaceae subfam. Panicoideae
|tribe=Poaceae tribe Paniceae
|genus=Digitaria
|species=Digitaria bicornis
}}<!--

-->[[Category:Treatment]][[Category:Digitaria]]