; 0 caulescens; 1 caule erecto, breve, foliorum basibus veteribus dense vestito; 2 folia viva in apice caulis dense rosulata; 3 vaginis brevibus, amplis; 4 laminis anguste subtriangularibus, attenuatis, 8 cm longis, 10 mm latis; 5 spinis minimis laxe serratis, subtus et in margine lepidibus angustissimis vel laceratis laxe vestitis, mox omnino glabris, supra glaucis (steyermark) et siccis linea mediana lata pallida ornatis laminarum anatomia fila vascularia adaxialiter et abaxialiter chlorenchymate non obsita (h); 6 cellulae subepidermales in parietibus tenues; 7 pori (g) substomatales leviter occlusi, projectures binatis simplicibus; 8 squamae angustae subsetiformes; 9 inflorescencia subsessilis, subglobosa, ca 40-flora; 10 bractae florigerae oblongae, late rotundatae, cucullatae, 10 mm longae, apice minutissima serrulataer lepidotaeque; 11 pedicellis brevibus, crassis; 12 sepala adaxiala anguste oblonga, obtusa, apiculata, 10 mm longa, anguste alato-carinata; 13 petalis albis (steyermark); 14 capsula ovoidea; 15 seminibus haud appendiculatis.Edited from : Steyermark, Holst et al. 1989. (protologue) Flora of the Venezuelan Guayana-VII Contributions to the Flora of the Cerro Aracamuni, Venezuela .