2.3. Barnebyeae R. F. Almeida trib. nov.

Type genus.

Barnebya W. R. Anderson & B. Gates.

Diagnosis.

Trees; thyrses, cincinni 2–3 - flowered; pollen 4 - zonoporate; mericarps 1 - winged, dorsal wing more developed, presence of diarylheptanoids, keto acids and derivatives, oxazinanes, absence of benzopyrans, furanoid lignans, glycerophospholipids, lignan glycosides, naphthalenes, naphthopyrans, propargyl-type 1, 3 - dipolar organic compounds, pteridines and derivatives, tetrahydrofurans.

Notes.

Barnebyeae currently comprises a single genus, Barnebya, and two accepted species (one threatened species; Suppl. material 1) of trees endemic to Brazil, South America (POWO 2024).