Psychotria mauiensis Fosberg , Brittonia 16: 266. 1964.
*Verification: None.

Type Information
Basionym: Straussia oncocarpa Hillebr. , Fl. Hawaiian Isl. 180 1888.
Maui, East Maui, `Ulupalakua. 1851- 1871. Hillebrand s.n..
Lectotype [BISH]. Lectotypified in Sohmer. Lyonia 1: 171. 1977.
Note: The holotype was at B and presumably was destroyed; a photo and a fragment of the holotype are at BISH, and Sohmer designated the fragment as the lectotype. Sohmer (p. 175) mistakenly cited HAW sheet number 12857 as Hillebrand's collection number. Non Psychotria onocarpa K. Schum.
*Verification: Sohmer, S.H. 1977. Lyonia 1:103-186.
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Basionym: Straussia oncocarpa Hillebr. var. scoriacea Rock, Indig. trees Haw. Isl. 449 1913.
Hawai`i, S slope of Mauna Loa, Ka`u, Manuka. July 1911. Rock 10201.
Holotype [BISH]. Isotype(s) [BISH, GH].

*Verification: Sohmer, S.H. 1977. Lyonia 1:103-186.
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Basionym: Straussia oncocarpa Hillebr. var. subcordata Rock, Indig. trees Haw. Isl. 448 1913.
Moloka`i, Wailau pali. 4000 ft. April 1910. Rock 7072.
Holotype [BISH]. Isotype(s) [BISH!, GH!].

*Verification: Sohmer, S.H. 1977. Lyonia 1:103-186.
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