Ipomoea tuboides O. Deg. & Ooststr. f. digitata O. Deg. & Ooststr., Fl. Hawaiiensis, fam. 307. Ipomoea tuboides 1940.
Hawai`i, between Wai`ohinu and Ka`alu`alu, growing over `a`a lava. 13 September 1929. Degener 5988.
Holotype
[NY?]. Isotype(s)
[BISH [2]].
Ipomoea tuboides O. Deg. & Ooststr. f. irregularis O. Deg. & Ooststr., Fl. Hawaiiensis, fam. 307. Ipomoea tuboides 1940.
Hawai`i, between Pu`uwa`awa`a and Hu`ehu`e, in `a`a lava desert. 18 August 1926. Degener 6020.
Holotype
[NY?]. Isotype(s)
[BISH [2]].
Ipomoea tuboides O. Deg. & Ooststr. var. pubescens O. Deg. & Ooststr., Fl. Hawaiiensis, fam. 307. Ipomoea tuboides 1940.
Hawai`i, between Pu`uwa`awa`a and Hu`ehu`e, growing over `a`a lava. 22 August 1926. Degener 6006.
Holotype
[NY?]. Isotype(s)
[BISH].