Astropanax humblotianus (Drake) Lowry, G.M. Plunkett, Gostel & Frodin, 2017

Lowry Ii, Porter P., Plunkett, Gregory M., Gostel, Morgan R. & Frodin, David G., 2017, A synopsis of the Afro-Malagasy species previously included in Schefflera (Araliaceae): resurrection of the genera Astropanax and Neocussonia, Candollea 72 (2), pp. 265-282 : 271

A5. Astropanax humblotianus (Drake) Lowry, G.M. Plunkett, Gostel & Frodin , comb. nov.

÷ Schefflera humblotiana Drake in Grandidier, Hist. Phys. Madagascar 35: tab. 404. 1896.

Lectotypus (designated here): MADAGASCAR: sine loc., y. fr., Humblot 640 ( P [ P00466310 ]!; isolecto-: K!, LD [ LD1215974 , LD1216274 ]!, P [ P00466308 , P00466309 ]!, W!) .

Habitat and distribution. – Astropanax humblotianus has been collected at a limited number of sites in eastern Madagascar, from Ankirindro near Maroantsetra in the northeast to Ambalabe in the center-east of the island. It occurs in mid-altitude humid forest, from c. 400 to 1,150 m elevation ( MADAGASCAR CATALOGUE, 2017).

Notes. – From among the three specimens of Drake 640 at P, we have selected the most complete one, with an entire adult leaf and a portion of an inflorescence with a nearly complete ultimate unit, as the lectotype .