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 22a. Geonoma ferruginea subsp. ferruginea Geonoma versiformis Wendland ex Spruce (1871: 109) . Type : COSTA RICA . Cartago : near Turrialba, no date, H. Wendland s.n. ( holotype K!). Inflorescences rachillae 10(5–25), 9.7(6.4–15.0) cm long. Distribution and habitat:— From 9°17’– 10°55’N and 83°08’– 85°29’W in Costa Rica (Cordilleras Tilarán, Central, Talamanca, and Guanacaste ) at 904(400–1500) m elevation in lowland to montane tropical rainforest ( Fig. 18 ). Several specimens have unusually high numbers of pinnae, 9–15 versus the more usual 3–5. Specimens from Volcan Arenal ( Russell 683, 893, Lent 3335 ) have larger leaves and inflorescences than the others.