Ludwig Radlkofer and Joseph Rock, New and Noteworthy Hawaiian Plants (1911)
“ The few hundred acres on which this tree is found escaped the firy stream by their elevation, as no lava is visible, the soil being black and rich. The tree seems to be deciduous, as I have observed specimens with the leaves all yellow and dropping, while others had young leaves only, but I have not met with any having the branches entirely bare. ”
Ludwig Radlkofer and Joseph Rock, New and Noteworthy Hawaiian Plants (1911)
“ Arbor (decidua?) 10 m—26 m alta, truncus erectus 0.3 m—1.3 m diameter; cortice bruneo, desquamante ab arboribus maturis; rami teretes brunei, glabrati; folia alterna abrupte vel imparipinnata, petiolis 4.5 cm—6 cm longis, tomentulosis, rachibus minime marginatis et in folia novella alatis; foliolis suboppositis, minime falcatis, 6 cm—12 cm longis, 2 cm 3.5 cm latis, apice acuminatis, basi rotundis, supra glabris, subtus tomentulosis; nervo mediano valide prominente; paniculae terminales pubescentes circa 12 cm longae; flores (ignoti) ”
Ludwig Radlkofer and Joseph Rock, New and Noteworthy Hawaiian Plants (1911)
“ In forest on Mauna Loa, Hawaii. tarii vel plures ex axillis foliorum; colore rubido obscuro vel luteo; calyx deciduus in fructibus maturis. This proposed new genus consisting of 3 species peculiar to the dry sections of Hawaii and Maui. is nearest to Hibiscus from which it differs in its quite different flowers, deciduous calyx and woody capsule. All three species are exceedingly rare, only solitary trees being found in the various type localities, with exception of Hibiscadelphus Hualalaiensis of which several trees were found at Puuwaawaa and Waihou forest, on the western slope of Mt. ”
