Monographs Details: Stegolepis grandis Maguire
Authority: Maguire, Bassett. 1965. The Botany of the Guayana Highland. Mem. New York Bot. Gard. 12 (3): 1-285.
Family:Rapateaceae
Description:Latin Diagnosis - Herbae perennes ad 3 m altae; vaginis induratis, non-marginatis, enervatis; vaginis (15-) 40-50 cm longis, 5-9 cm latis conduplicatis, lanceolatis, subinduratis; ligulis ca. 4 mm longis; laminis linearibus (0.5-) 1.5-2.5 m longis, 4-8 cm latis, subtus minute punctatis, venis primariis ca. 1 m m apartis, apice acuminatofalcato; pedunculo solitario, ingente, sursum valde crasso et compresso-dilatato, ad 2.5 cm lato; bracteis cephalaribus deficientibus; capitulis globosis 4.5-5.5 cm diam; spieulis plus minusve 100, ca. 2 cm longis; bracteolis numerosis 25-40, gradatis, induratis; sepalis lanceolatis induratis, ad basim membraneis; petals ca. 25 mm longis, unguibus ad basim 10-12 mm in tubo connatis; filamentis glabris, antheris lineari-lanceolatis, 4-locularibus, loculis posterioribus apice 1 mm obtusis productis; ovario triloculare, loculis pluriovulatis; stylis subulato-trigonis sursum acute trigonalibus; capsulis induratis; seminibus 3.0-3.5 mm longis, 1.7-2.0 mm erassis, facie exteriore convexa, facie interiore 3-4 plano-concava, testa pallida, valde (in sieco) alveolata.