Difference between revisions of "Dichanthelium nodatum"
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Panicum nodatum | |name=Panicum nodatum | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
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|hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Dichanthelium;Dichanthelium sect. Pedicellata;Dichanthelium nodatum | |hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Dichanthelium;Dichanthelium sect. Pedicellata;Dichanthelium nodatum | ||
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|distribution=Tex. | |distribution=Tex. | ||
| − | |discussion=<p>Dichanthelium nodatum grows in oak savannahs near the Gulf coast from Texas to northeastern Mexico. The primary panicles are produced from April into June (sometimes late August to November) and are at least partly open-pollinated; the secondary panicles are produced from May into fall and are at least partly cleistogamous.</p> | + | |discussion=<p><i>Dichanthelium nodatum</i> grows in oak savannahs near the Gulf coast from Texas to northeastern Mexico. The primary panicles are produced from April into June (sometimes late August to November) and are at least partly open-pollinated; the secondary panicles are produced from May into fall and are at least partly cleistogamous.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Dichanthelium nodatum | name=Dichanthelium nodatum | ||
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|authority=(Hitchc. & Chase) Gould | |authority=(Hitchc. & Chase) Gould | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| − | |illustrator=Linda A. Vorobik | + | |illustrator=Linda A. Vorobik;Hana Pazdírková |
| + | |illustration copyright=Utah State University | ||
|distribution=Tex. | |distribution=Tex. | ||
|reference=None | |reference=None | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V25/V25_1132.xml |
|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
|tribe=Poaceae tribe Paniceae | |tribe=Poaceae tribe Paniceae | ||
Latest revision as of 17:55, 11 May 2021
Plants usually cespitose, rarely rhizomatous. Basal rosettes absent. Culms 20-65 cm, decumbent to ascending even in spring, with hard, cormlike bases; nodes puberulent to sparsely pubescent; internodes scabrous-puberulent to papillose-hirsute; fall phase with geniculate to decumbent culms, developing divaricate branches from the midculm nodes before the primary panicles mature. Cauline leaves 8-14; sheaths not overlapping, puberulent to papillose-hirsute, margins ciliate; ligules 0.1-1 mm, of hairs; blades 3-9 cm long, 4-8 mm wide, thick, firm, puberulent, sides parallel above the rounded to truncate bases, margins with papillose-based cilia. Primary panicles 3-13 cm long, 2-8 cm wide, exserted; branches ascending to divaricate at maturity; pedicels appressed. Spikelets 3.4-4.4 mm long, 1.3-1.6 mm wide, narrowly obovoid-obpyriform, finely pubescent, hairs papillose-based, bases long, narrow. Lower glumes 1.5-2 mm, attached about 0.2 mm below the upper glumes, partly or completely encircling the pedicels; upper glumes about 0.3 mm shorter than the upper florets, purplish at the bases; lower florets sterile; upper florets with pointed, puberulent apices. 2n = 18 (J. Wipff, pers. comm., 2001).
Discussion
Dichanthelium nodatum grows in oak savannahs near the Gulf coast from Texas to northeastern Mexico. The primary panicles are produced from April into June (sometimes late August to November) and are at least partly open-pollinated; the secondary panicles are produced from May into fall and are at least partly cleistogamous.
Selected References
None.