Monographs Details: Stegolepis grandis Maguire subsp. grandis
Authority: Maguire, Bassett. 1965. The Botany of the Guayana Highland. Mem. New York Bot. Gard. 12 (3): 1-285.
Family:Rapateaceae
Description:Latin Diagnosis - Foliis 2-3 m longis; vaginis 40-50 cm longis; spieulis ca. 100, fusiformibus 18-20 mm longis; bracteolis 30-34, valde gradatis, exterioribus 4-8 mm longis, 3-6 mm latis, ovato-oblongis, valde obtusis; interioribus lanceolati-oblongis, 10-12 mm longis, 3-4 mm latis; petalis ca. 25 mm longis, laminis obcordatis 10-12 mm longis, apiculatis; seminibus enormiter pyramidalibus 2.5-3.5 mm diam.