Ptychosperma is a genus of flowering plant in the Arecaceae family. Most are native to Australia and/or New Guinea, with a few in the Solomon Islands and in Maluku Province of eastern Indonesia. Some have been cultivated abroad as house or garden plants, and reportedly naturalized in certain regions (Caribbean, Polynesia, Fiji, Florida).
It contains the following species:
Ptychosperma ambiguum (Becc.) Becc. ex Martelli – western New GuineaPtychosperma buabe Essig – Papua New GuineaPtychosperma burretianum Essig – D'Entrecasteaux IslandsPtychosperma caryotoides Ridl. – Papua New GuineaPtychosperma cuneatum (Burret) Burret – New GuineaPtychosperma elegans (R.Br.) Blume – Queensland; naturalized in Florida, Polynesia, Dominican RepublicPtychosperma furcatum (Becc.) Becc. ex Martelli – Papua New GuineaPtychosperma gracile Labill. – Bismarck ArchipelagoPtychosperma halmaherense Heatubun – MalukuPtychosperma hartmannii Becc. – New GuineaPtychosperma lauterbachii Becc. – Papua New GuineaPtychosperma lineare (Burret) Burret – Papua New GuineaPtychosperma macarthurii (H.Wendl. ex H.J.Veitch) H.Wendl. ex Hook.f. – New Guinea, Queensland, Northern TerritoryPtychosperma macrocerum Becc. – New GuineaPtychosperma mambare (F.M.Bailey) Becc. ex Martelli – Papua New GuineaPtychosperma microcarpum (Burret) Burret – Papua New GuineaPtychosperma mooreanum Essig – New GuineaPtychosperma nicolai (Sander ex André) Burret – New GuineaPtychosperma praemorsum Becc. – New GuineaPtychosperma propinquum (Becc.) Becc. ex Martelli – Aru Islands, Salawati Island, Kai IslandsPtychosperma pullenii Essig – Papua New GuineaPtychosperma ramosissimum Essig – Louisiade ArchipelagoPtychosperma rosselense Essig – Papua New GuineaPtychosperma salomonense Burret – Papua New Guinea, Solomon IslandsPtychosperma sanderianum Ridl. – Papua New GuineaPtychosperma schefferi Becc. ex Martelli – New GuineaPtychosperma streimannii Essig – Papua New GuineaPtychosperma tagulense Essig – Louisiade ArchipelagoPtychosperma vestitum Essig – Papua New GuineaPtychosperma waitianum Essig – Papua New Guinea
