2.5. Bunchosieae R. F. Almeida trib. nov.

= Thryallidinae Nied. in Engler & Prantl, Nat. Pflanzenfam. III, 4: 53, 67. 1890, syn. nov. Type genus: Thryallis Mart., nom. cons.

Type genus.

Bunchosia Rich. ex Kunth.

Diagnosis.

Trees, shrubs or lianas; thyrses, cincinni 1 - flowered; pollen 4–12 - pantoporate (colporate in Echinopterys and Heladena); styles free, rarely connate, parallel; stigma terminal, capitate; drupes or mericarps smooth or winged, presence of azolidines, benzodioxoles, organochlorides, quinolizines, absence of organic carbonic acids and derivatives, organic phosphoric acids and derivatives.

Notes.

Bunchosieae currently comprises five accepted genera, Bunchosia, Echinopterys, Heladena, Thryallis, and Tristellateia, and 122 species (68 threatened species; Suppl. material 1) of mostly American taxa, except for the Paleotropical (i. e., tropics of Africa, Asia, and Oceania) Tristellateia (POWO 2024) .