Tridens carolinianus

(Steud.) Henrard
Common names: Creeping tridens
Endemic
Treatment appears in FNA Volume 25. Treatment on page 34.

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.

Lower Taxa

None.