A revision of Calyptrocalyx and the New Guinea species of Linospadix (Linospadicinae: Arecoideae: Arecaceae) is provided. For Calyptrocalyx, twenty-six species are recognised, and two for Linospadix. Three species, Calyptrocalyx amoenus, C. awa, and C. yamutumene are described as new. The following new combinations are made: Calyptrocalyx arfakianus, C. caudiculatus, C. flabellatus, C. geonomiformis, C. hollrungii, C. julianettii, C. lepidotus, C. merrillianus, C. micholitzii, C. multifidus, and C. pusillus which were formerly species of Paralinospadix. Neotypes are proposed for C. laulerbachianus, C. laxiflorus, C. pachystachys, C. pauciflorus, and C. polyphyllus. Linospadix has two species in New Guinea, L. albertisiana and L. canina.

Arecaceae, Calyptrocalyx, Linospadix, Paralinospadix, palms, taxonomy, New Guinea
Blumea: Biodiversity, Evolution and Biogeography of Plants

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Dowe, J. L., & Ferrero, M. D. (2001). Revision of Calyptrocalyx and the New Guinea species of Linospadix (Linospadicinae: Arecoideae: Arecaceae). Blumea: Biodiversity, Evolution and Biogeography of Plants, 46(2), 207–251.