Contains 2 accepted taxa overall.

Characteristics
Ptychosperma Labill.
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Classification
ARECALES
Ptychosperma
Citation
PTYCHOSPERMA Labillardiere, Mem. Cl. Sci. Math. Inst. Natl. France 1808(2): 252. 1809.
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TYPE: Ptychosperma gracile Labillardiere
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Ptychosperma elegans ALEXANDER PALM; SOLITAIRE PALM Not Native Y
Ptychosperma macarthurii MACARTHUR PALM Not Native
[Family identification key]
1.  Plant with one stem; leaflets mostly ascending to erect
1.  Plant usually cespitose; leaflets mostly horizontal to drooping
Genus Synonyms
Synonym Full Citation Basionym Type
Actinophloeus Actinophloeus (Beccari) Beccari, Ann. Jard. Bot. Buitenzorg 2: 126. 1885. BASIONYM: Drymophloeus Zippelius, subg. Actinophloeus Beccari, Malesia 1: 42. 1877. TYPE: Actinophloeus ambiguus (Beccari) Beccari (Drymophloeus ambiguus Beccari) Lectotypified by Burret, Repert. Spec. Nov. Regni Veg. 24: 271. 1928.
Ponapea Ponapea Beccari, Bot. Jahrb. Syst. 59: 13. 1924. TYPE: Ponapea ledermanniana Beccari
Seaforthia Seaforthia R. Brown, Prodr. 267. 1810. TYPE: Seaforthia elegans R. Brown
Strongylocaryum Strongylocaryum Burret, Notizbl. Bot. Gart. Berlin-Dahlem 13: 95. 1936. TYPE: Strongylocaryum macranthum Burret