Cyrtandra platyphylla A. Gray, Proc. Amer. Acad. Arts 5: 350. 1862 [Jan].
Type information:
Holotype
[US]. U. S. Expl. Exped. s.n.. 1840. Hawai`i: in forests near Kilauea Volcano. Isotype(s)
[GH].
Cyrtandra platyphylla A. Gray var. brevipes Skottsb., Acta Horti Gothob. 15: 444. 1944.
Type information:
Lectotype
[BISH]. L.M. Cranwell , O. Selling and C. Skottsberg 3178. 9 September 1938. Hawai`i: Kohala Mountains, Upper Hamakua ditch trail at head of Koi`awe Valley.
Cyrtandra platyphylla A. Gray var. f. ovata Rock, Amer. J. Bot. 5: 272. 1918.
Type information:
Holotype
[BISH]. J. F. Rock 4495. 6 July 1909. Hawai`i: Mauna Kea, Pa`auhau Forest No. 3.1160m. Isotype(s)
[BISH! [3]].
=hybrid of Cyrtandra paludosa var. paludosa x C. platyphylla
Cyrtandra platyphylla A. Gray var. hiloensis Rock, Amer. J. Bot. 5: 273. 1918.
Type information:
Holotype
[B]. J. M. Lydgate s.n.. Hawai`i.
Cyrtandra platyphylla A. Gray var. membranacea Rock, Amer. J. Bot. 5: 273. 1918.
Type information:
Holotype
[BISH]. J. F. Rock 4078. 6-10 July 1909. Hawai`i: Waimea, Holokai`ea Gulch.
=hybrid of Cyrtandra paludosa var. paludosa x C. platyphylla
Cyrtandra platyphylla A. Gray var. parviflora Rock, Amer. J. Bot. 5: 272. 1918.
Type information:
Holotype
[BISH]. J. F. Rock 10339. July 1910. Hawai`i: Kohala Mountains, Kohala forests. Isotype(s)
[BISH! [2]].
=hybrid of Cyrtandra kohalae x C. platyphylla
Cyrtandra platyphylla A. Gray var. robusta Rock, Amer. J. Bot. 5: 274. 1918.
Type information:
Holotype
[BISH]. J. F. Rock 8317. June 1910. Hawai`i: Kohala, Kawainui ditch trail, dense rain forest.1065m. Isotype(s)
[BISH!].
=Cyrtandra platyphylla
Cyrtandra platyphylla A. Gray var. stylopubens Rock, Amer. J. Bot. 5: 271. 1918.
Type information:
Holotype
[BISH]. J. F. Rock 4493. 6 July 1909. Hawai`i: Mauna Kea, Pa`auhau Forest No. 3.1220m.
=hybrid of Cyrtandra paludosa var. paludosa x C. platyphylla