Bull. torrey Bot. Club Bull. torrey Bot. ClubHolotype: Brazil. Rio Branco: Mt. Roraima, Philipp Swamp, 11 Nov 1927, G.H.H. Thte 334Isotype: Brazil. Rio Branco: Mt. Roraima, Philipp Swamp, 11 Nov 1927, G.H.H. Thte 334Taxon for this nameBull. torrey Bot. Club