2.5. 4. Thryallis Mart., Nov. Gen. Sp. Pl. 3: 77. 1829 nom. cons.
Figs 7 J, P, 10 S
≡ Hemsleyna Kuntze, Revis. Gen. Pl. 1: 88. 1891.
Type species.
Thryallis longifolia Mart.
Notes.
Thryallis comprises five currently accepted species (one threatened species; Suppl. material 1) of shrubs or lianas endemic to the rainforests, savannas, and seasonally dry tropical forests of Bolivia, Brazil, and Paraguay, South America (POWO 2024). For an identification key for all species of Thryallis, see Anderson (1995).