2.2. Mcvaughieae R. F. Almeida trib. nov.

Type genus.

Mcvaughia W. R. Anderson.

Diagnosis.

Trees, shrubs to subshrubs; thyrses, cincinni 1–7 - flowered, bracteoles 1 - glandular; pollen 4 - zonocolporate (3 - zonocolporate in Glandonia); drupes, epicarp striated, presence of linear 1, 3 - diarylpropanoids, and the absence of dithiols, indoles and derivatives.

Notes.

Mcvaughieae currently comprises three accepted genera, Burdachia, Glandonia, and Mcvaughia, and 12 species (five threatened species; Suppl. material 1) of trees, shrubs to subshrubs endemic to the Amazon rainforests and seasonally dry tropical forests of South America (POWO 2024).