Paepalanthus riparius Moldenke

Paepalanthus riparius Moldenke, sp. nov
Stems elongate, woody, up to 15 cm. long, often shortly branched at apex; leaves densely tufted at apex of stem and branches, the young ones bright-green, the older ones olivaceous, all rigid, broadly linear, 2-7.5 cm. long, 2-5 mm. wide at the middle, narrowed from the ampliate-clasping base to the sharply acute or subulate apex, the older ones recurved, long-villose when young, becoming glabrescent; peduncles few, 2-7, 11-24 cm. long, twisted, sparsely pilose, glabrescent in age; sheaths rather loose, about 2.5 cm long, pilose, glabrescent in age, the mouth sparsely ciliolate, the blade rather elongate, subulate acute; florets dimerou
Caule elongato incrassato; foliis caespitosis, ad apicem caulis orientibus, juventute li villosis; floribus probabiliter dimeris.
Type collected on moist hanks bordering a si ream along the trail from Camp I. a I 450 meters) to Camp San Benito (alt. 900 meters), Oriente, Cuba, February 22 26 l'Mn / I 4li)o (herb. X. V. Bot. Card.).
Distribution. Known only from the type collection.