A revision of Geonoma (Arecaceae) Author Henderson, Andrew text Phytotaxa 2011 2011-02-18 17 1 271 journal article 24911 10.11646/phytotaxa.17.1 65962ba7-eec1-40e7-aed6-cef94e99ca39 1179-3163 3538362 67e. Geonoma undata subsp. pulcherrima (Burret) Henderson , comb. & stat. nov. Basionym: Geonoma pulcherrima Burret (1930a: 195) . Type: ECUADOR . Morona-Santiago : confluence of Río Bomboiza and Río Zamora, 700–800 m , no date, F. Lehmann 5289 ( holotype B, destroyed, isotypes F!, GH!, K!). Leaves veins raised and rectangular in cross-section adaxially; basal pinna 0.7(0.3–1.0) cm wide; apical pinna 0.8(0.5–1.0) cm wide. Inflorescences prophyll margins without irregular, spine-like projections; flower pits usually spirally arranged, not distantly spaced. Distribution:— From 3°30’– 4°18’S and 78°30’– 78°41’W on eastern Andean slopes in southeastern Ecuador at 923(750–1130) m elevation along river banks in areas subject to flooding ( Fig. 43 ). Plants are reported to be rheophytes.