Difference between revisions of "Dichanthelium dichotomum subsp. yadkinense"
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Panicum yadkinense | |name=Panicum yadkinense | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Dichanthelium;Dichanthelium sect. Dichanthelium;Dichanthelium dichotomum;Dichanthelium dichotomum subsp. yadkinense | |hierarchy=Poaceae;Poaceae subfam. Panicoideae;Poaceae tribe Paniceae;Dichanthelium;Dichanthelium sect. Dichanthelium;Dichanthelium dichotomum;Dichanthelium dichotomum subsp. yadkinense | ||
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name=Dichanthelium dichotomum subsp. yadkinense | name=Dichanthelium dichotomum subsp. yadkinense | ||
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|authority=(Ashe) Freckmann & Lelong | |authority=(Ashe) Freckmann & Lelong | ||
|rank=subspecies | |rank=subspecies | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Linda A. Vorobik;Hana Pazdírková | ||
| + | |illustration copyright=Utah State University | ||
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|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_1182.xml |
|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
|tribe=Poaceae tribe Paniceae | |tribe=Poaceae tribe Paniceae | ||
Latest revision as of 18:56, 11 May 2021
Culms 50-100 cm; nodes usually glabrous; internodes usually glabrous, often yellowish-green; fall phase suberect, sparsely branched from the midculm nodes, blades not as greatly reduced as in the other subspecies. Cauline sheaths glabrous, often with pale glandular spots between the prominent veins; blades 9-14 cm long, 7-12 mm wide, thin, widest near the middle and tapering to both ends, glabrous on both surfaces. Spikelets 1.9-2.6 mm, elliptic to subfusiform, glabrous, apices acute or beaked. Upper florets 1.8-2 mm. 2n = 18.
Discussion
Dichanthelium dichotomum subsp. yadkinense grows in rich, moist or wet woods. A relatively uncommon subspecies, its range extends from Pennsylvania to Maryland and south through southern Illinois and southeastern Missouri to Georgia and Louisiana, but not to Florida. It exhibits traits of D. laxiflorum and D. commutatum.
Selected References
None.