Astropanax volkensii (Harms) 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 : 274

A15. Astropanax volkensii (Harms) Lowry, G.M. Plunkett, Gostel & Frodin , comb. nov. ( Fig. 1F ).

÷ Heptapleurum volkensii Harms in Bot. Jahrb. Syst. 19(47): 41. 1894. ÷ Schefflera volkensii (Harms) Harms in Engl. & Prantl, Nat. Pflanzenfam. III(8): 36. 1894. ÷ Brassaia volkensii (Harms) Hutch. in Gen. Fl. Pl. 2: 623. 1967.

Lectotypus (designated here): TANZANIA. Kilimanjaro Region: Kilimanjaro, Marangu, 2200 m, X.1893, bud, Volkens 1297 ( K [ K00350551 ]!; isolecto-: BM [ BM00902770 ]!) . Syntypus: TANZANIA. Kilimanjaro Region: Marangu, 2700 m, IX. 1893, fl., Volkens 986 ( BR [ BR08862693 ]!) .

Habitat and distribution. – Astropanax volkensii occurs in eastern Africa, from Ethiopia through Uganda and Kenya to northeastern Tanzania ( BAMPS, 1974b; APD, 2017; TROPICOS, 2017), where it grows in humid forest from 1,600 to 3,250 m elevation.

Notes. – The material at B of the two collections cited in the protologue of Heptapleurum volkensii (Volkens 986 and 1297) was presumably destroyed. A single duplicate of Volkens 986 is deposited at BR, and while it is the most complete specimen available, we have selected the sheet of Volkens 1297 at K as the lectotype because a duplicate (albeit somewhat less complete) is available at BM .

Figures

Fig. 1. – Photographs of Astropanax Seem. A. Astropanax monophyllus (Baker) Lowry, G.M. Plunkett, Gostel & Frodin; B. Astropanax myrianthus (Baker) Lowry, G.M. Plunkett, Gostel & Frodin; C. Astropanax barteri Seem.; D. Astropanax mannii (Hook.f.) Seem.; E. Astropanax stolzii (Harms) Lowry, G.M. Plunkett, Gostel & Frodin; F. Astropanax volkensii (Harms) Lowry, G.M. Plunkett, Gostel & Frodin.