Pseudalbizzia sect. Arthrosamanea (Britton & Rose) E.J.M. Koenen & Duno comb. nov.

Arthrosamanea Britton & Rose, Ann. New York Acad. Sci. 35: 128, pro gen. 1936, sensu stricto. Albizia sect. Arthrosamanea (Britton & Rose) Barneby & J.W. Grimes pro parte, Mem. New York Bot. Gard. 74(1): 206. 1996. Type species: Arthrosamanea pistaciifolia (Willd.) Britton & Rose = Mimosa pistaciifolia Willd. = Pseudalbizzia pistaciifolia (Willd.) E.J.M. Koenen & Duno.

Albizia sect. Arthrosamanea ser. Multiflorae Barneby & J.W. Grimes, Mem. New York Bot. Gard. 74(1): 234. 1996.

Albizia sect. Arthrosamanea ser. Inundatae Barneby & J.W. Grimes, Mem. New York Bot. Gard. 74(1): 238. 1996.

Notes.

Micro- or macrophyllidious trees, usually the efoliate pseudoracemes arising singly and only rarely arranged in panicles, fruits indehiscent and septate, or lomentiform, one species crypto-lomentiform. Six species of usually humid, often seasonally inundated forest or riparian habitats in South America (Fig. 6).