Difference between revisions of "Dichanthelium dichotomum subsp. roanokense"
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|discussion=<p><i>Dichanthelium dichotomum </i>subsp.<i> roanokense</i> grows in marshes, wet pinelands, wet woods, and the borders of swamps. A relatively uncommon subspecies, it grows on the coastal plain from Delaware to south¬eastern Texas and in the West Indies.</p><!-- | |discussion=<p><i>Dichanthelium dichotomum </i>subsp.<i> roanokense</i> grows in marshes, wet pinelands, wet woods, and the borders of swamps. A relatively uncommon subspecies, it grows on the coastal plain from Delaware to south¬eastern Texas and in the West Indies.</p><!-- | ||
| − | --><p>It is very similar to <i></i>subsp.<i> dichotomum</i> and also exhibits traits of <i>Dichanthelium sphaerocarpon</i> and <i>D. erectifolium</i>.</p> | + | --><p>It is very similar to <i></i></i>subsp.<i><i> dichotomum</i> and also exhibits traits of <i>Dichanthelium sphaerocarpon</i> and <i>D. erectifolium</i>.</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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V25/V25_1181.xml |
|subfamily=Poaceae subfam. Panicoideae | |subfamily=Poaceae subfam. Panicoideae | ||
|tribe=Poaceae tribe Paniceae | |tribe=Poaceae tribe Paniceae | ||
Revision as of 19:21, 24 September 2019
Culms to 100 cm, erect; nodes usually glabrous; internodes terete, usually glabrous, often slightly glaucous, sometimes olivaceous; fall phase with erect or decumbent culms, branching at the mid- and upper culm nodes, with numerous axillary branches, branches elongated and widely divergent, not forming fascicles. Cauline sheaths glabrous or the lowest sheaths sparsely pubescent; blades usually 5-8 mm wide, stiffly ascending or erect, often olivaceous or purplish abaxially, glabrous or sparsely pubescent basally. Spikelets 1.5-1.8 mm (seldom longer), broadly ellipsoid or obovoid, often purplish at the base, glabrous, obtuse to subacute. Upper florets 1.4-1.6 mm, broadly ellipsoid. 2n = unknown.
Discussion
Dichanthelium dichotomum subsp. roanokense grows in marshes, wet pinelands, wet woods, and the borders of swamps. A relatively uncommon subspecies, it grows on the coastal plain from Delaware to south¬eastern Texas and in the West Indies.
It is very similar to subsp. dichotomum and also exhibits traits of Dichanthelium sphaerocarpon and D. erectifolium.
Selected References
None.