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 37c. Geonoma maxima subsp. camptoneura (Burret) Henderson , comb. & stat. nov. Basionym: Geonoma camptoneura Burret (1931a: 201) . Type: PERU . Loreto : Río Huallaga, Yurimaguas, March 1930 , L. Williams 7836 ( holotype B, destroyed, isotype F!, excluding leaf)[The type specimen appears to be a mixture, the leaf may belong to another species, possibly G. deversa ]. Leaves undivided or irregularly pinnate (sometimes with 1-veined pinnae present), not plicate; rachis 51.9(38.0–70.0) cm long; pinnae 4(1–8) per side of rachis; basal pinna 8.5(2.0–20.0) cm wide, forming an angle of 31(15–40)° with the rachis. Inflorescences rachillae 23(14–38). Distribution and habitat:— From 3°50’– 13°45’S and 68°09’– 78°22’W in the southwestern Amazon region of Peru and adjacent areas of Brazil and Bolivia at 334(135–800) m elevation in lowland rainforest ( Fig. 25 ).