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 29d. Geonoma interrupta subsp. rivalis (Kalbreyer & Burret) Henderson , comb. & stat. nov. Basionym: Geonoma rivalis Kalbreyer & Burret in Burret (1930a: 241) . Type: COLOMBIA . Antioquia : Coco, 700–900 m , 18 February 1880 , W. Kalbreyer 1427 ( holotype B, destroyed). Neotype (here designated): COLOMBIA . Antioquia : Mun. San Luis, Río Samana on the Medellín-Bogotá road, 6°00’N , 74°50’W , 700–780 m , 23 June 1987 , R. Callejas, A. Arbelaez, H. Correa & J. Betancur 4098 ( neotype NY!, isoneotypes HUA, n.v. , MO!). Leaves pinnae 31(27–36) per side of rachis. Inflorescences peduncular bracts inserted 2.6(1.0–4.5) cm above the prophyll; non-fertilized pistillate flowers persistent after anthesis. Distribution:— From 5°50’– 7°22’N and 74°45’– 75°05’W on the eastern slopes of the Central Cordillera in Colombia , at 548 (150–900) m elevation in lowland rainforest ( Fig. 21 ). Plants are reported to be rheophytes. There is geographic discontinuity but too few specimens to test for differences amongst areas.