338 MISC. PUBLICATION 243, U.S. DEPT. OF AGRICULTURE 
Hitchcock 9320 (Amer. Gr. Nat. Herb. 605); Hart 815. Mount Hybla, 
Harris 11535. Cinchona, Hitchcock 9719; Harris and Lawrence 15232. 
Castleton, Harris 11286. Morces Gap, Nichols 37. 
4, Setaria paniculifera (Steud.) Fourn.; Hemsl., Biol. Centr. Amer. 
Bot3 505. “1885: 
Panicum sulcatum Aubl., Pl. Guian. 1: 50. 1775. Not Setfaria 
sulcata Raddi, 1823, based on Panicum sulcatum Bertol., 1820, which 
is Setaria poiretiana. French Guiana. 
Pamcum paniculiferum Steud., Syn. Pl. Glum. 1: 54. 1854. 
Mexico. 
Chamaeraphis paniculifera Kuntze, Rev. Gen. Pl. 2: 770. 1891. 
Chamaeraphis sulcata 
Kuntze, Rev. Gen. PI. 2: 
Toh Dene I SSO Ls 
Chaetochloa sulcata 
Eitche., “Contuby Users. 
Natl. Herb. 17: 260. 1913. 
Setaria sulcata A. 
Camus, Bull. Mus. Hist. 
Nate s 02 tOSe 1924. 
Based on Panicum sulca- 
tum Aubl. Not S. sulcata 
Raddi, 1823. 
Robust perennial; 
culms as much as 4 m 
tall, glabrous; sheaths 
papillose-hispid all over 
or only at the margin 
and on the collar; blades 
flat, strongly plicate, 
somewhat scabrous, as 
much as 1 m long and 10 
cm wide at the middle, 
tapering toward each 
end, the lower into a long 
petiole-like base; panicles 
green or purplish, often 
very large, as much as 
FIGURE 308.—Setaria paniculifera, X 1 (Collins and Goll09). 70 em long, the branches 
ascending, finally spread- 
ing, as much as 20 cm long, these branching and rebranching, the 
panicle often becoming loose and open; spikelets usually loosely 
arranged, elliptic-lanceolate, about 3 mm long, obscurely nerved, 
scabrous-pubescent, the flexuous bristles as much as 15 mm long 
(fig. 308). 
Moist ground and shady banks, southern Mexico and Guadeloupe 
to Colombia. Often called palmgrass; in Tobago called gamalote 
(not the gamalote of Trinidad, which is S. poiretiana). 
LrEwarp IsuaNnps: Guadeloupe, Duss 3185. Dominica, Jones 3. 
WinpwarkpD Isianps: Martinque, Duss 4656. Grenada, Broadway 
123; Buckmire 1382. 
Toxsaco: Eggers 5682; Hitchcock 10276. 
