Difference between revisions of "Tridens carolinianus"
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Revision as of 19:24, 24 September 2019
Plants rhizomatous; rhizomes elongate, 2.5-5 mm thick, scaly. Culms 80-120 cm. Lower sheaths pilose; ligules about 0.5 mm, membranous, ciliate; blades 2-7 mm wide, flat, both surfaces sparsely pilose basally, margins smooth or scabridulous; upper leaves with glabrous sheaths and blades. Panicles 9-15 cm long, 1-4 cm wide, nodding, purplish; branches appressed or narrowly ascending; pedicels 2-3(3.5) mm. Spikelets 7-10 mm, with 3-5 florets. Glumes glabrous, 1-veined; lower glumes 3.5-4.5 mm; upper glumes 4-5 mm; calluses sparsely pilose; lemmas 4-5 mm, veins pilose at least to midlength, all 3 veins excurrent as short points; paleas 3-3.5 mm, glabrous, bases bowed-out; anthers 1-2(2.5) mm. Caryopses 2-2.5 mm. 2n = unknown.
Distribution
Ga., La., Ala., N.C., S.C., Miss., Fla.
Discussion
Tridens carolinianus grows in pinelands and open sandy woods along the coastal plain from North Carolina to Louisiana.
Selected References
None.