Cyrtandra platyphylla A. Gray var. brevipes Skottsb., Acta Horti Gothob. 15: 444 1944.
Hawai`i, Kohala Mountains, Upper Hamakua ditch trail at head of Koi`awe Valley. 9 September 1938. Cranwell et al. 3178.
Lectotype
[BISH].
Cyrtandra platyphylla A. Gray var. f. ovata Rock, Amer. J. Bot. 5: 272 1918.
Hawai`i, Mauna Kea, Pa`auhau Forest No. 3. 1160 m. 6 July 1909. Rock 4495.
Holotype
[BISH]. Isotype(s)
[BISH! [3]].
Cyrtandra platyphylla A. Gray var. hiloensis Rock, Amer. J. Bot. 5: 273 1918.
Hawai`i Lydgate s.n..
Holotype
[B].
Cyrtandra platyphylla A. Gray var. membranacea Rock, Amer. J. Bot. 5: 273 1918.
Hawai`i, Waimea, Holokai`ea Gulch. 6-10 July 1909. Rock 4078.
Holotype
[BISH].
Cyrtandra platyphylla A. Gray var. parviflora Rock, Amer. J. Bot. 5: 272 1918.
Hawai`i, Kohala Mountains, Kohala forests. July 1910. Rock 10339.
Holotype
[BISH]. Isotype(s)
[BISH! [2]].
Cyrtandra platyphylla A. Gray var. robusta Rock, Amer. J. Bot. 5: 274 1918.
Hawai`i, Kohala, Kawainui ditch trail, dense rain forest. 1065 m. June 1910. Rock 8317.
Holotype
[BISH]. Isotype(s)
[BISH!].
Cyrtandra platyphylla A. Gray var. stylopubens Rock, Amer. J. Bot. 5: 271 1918.
Hawai`i, Mauna Kea, Pa`auhau Forest No. 3. 1220 m. 6 July 1909. Rock 4493.
Holotype
[BISH].