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).