Difference between revisions of "Dichanthelium dichotomum subsp. microcarpon"
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| − | --><span class="statement" id="st-undefined" data-properties=""><b>Culms </b>30-100 cm, slender, erect or geniculate; fall phase freely branching from all nodes, reclining from masses of branchlets and numerous reduced, ciliate blades and secondary panicles; nodes conspicuously bearded with retrorse hairs. <b>Sheaths</b> usually glabrous, lowermost sheaths sometimes sparsely pubescent, occasionally with whitish spots between the veins, ciliate along the margins; blades 5-14 cm long, 5-14 mm wide, thin, spreading to reflexed, glabrous on both surfaces, bases with few to many papillose-based cilia. <b>Panicles</b> 5-12 cm, well-exserted, dense. <b>Spikelets</b> 1.5-1.8 mm, usually glabrous, rarely slightly pubescent. <b>Lower</b> glumes usually less than | + | --><span class="statement" id="st-undefined" data-properties=""><b>Culms </b>30-100 cm, slender, erect or geniculate; fall phase freely branching from all nodes, reclining from masses of branchlets and numerous reduced, ciliate blades and secondary panicles; nodes conspicuously bearded with retrorse hairs. <b>Sheaths</b> usually glabrous, lowermost sheaths sometimes sparsely pubescent, occasionally with whitish spots between the veins, ciliate along the margins; blades 5-14 cm long, 5-14 mm wide, thin, spreading to reflexed, glabrous on both surfaces, bases with few to many papillose-based cilia. <b>Panicles</b> 5-12 cm, well-exserted, dense. <b>Spikelets</b> 1.5-1.8 mm, usually glabrous, rarely slightly pubescent. <b>Lower</b> glumes usually less than 1/4 as long as the spikelets; upper glumes usually shorter than the lower lemmas; upper florets 1.3-1.6 mm long, 0.6-0.8 mm wide, subacute. <b>2n</b> = 18.</span><!-- |
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Latest revision as of 16:21, 18 February 2025
Culms 30-100 cm, slender, erect or geniculate; fall phase freely branching from all nodes, reclining from masses of branchlets and numerous reduced, ciliate blades and secondary panicles; nodes conspicuously bearded with retrorse hairs. Sheaths usually glabrous, lowermost sheaths sometimes sparsely pubescent, occasionally with whitish spots between the veins, ciliate along the margins; blades 5-14 cm long, 5-14 mm wide, thin, spreading to reflexed, glabrous on both surfaces, bases with few to many papillose-based cilia. Panicles 5-12 cm, well-exserted, dense. Spikelets 1.5-1.8 mm, usually glabrous, rarely slightly pubescent. Lower glumes usually less than 1/4 as long as the spikelets; upper glumes usually shorter than the lower lemmas; upper florets 1.3-1.6 mm long, 0.6-0.8 mm wide, subacute. 2n = 18.
Discussion
Dichanthelium dichotomum subsp. microcarpon grows in wet woods, swamps, and wetland borders. It is a widespread subspecies, extending from southern Michigan to Massachusetts and south to eastern Oklahoma and Texas and throughout the southeast to central Florida.
Selected References
None.