A, B Artabotrys longipetalus sp. nov. A habit and inflorescence (T. Insura 57) B flowers, showing linear petals with acute apex (T. Insura 57) C, D Artabotrys tipuliferus C flowers, showing short flower pedicel and linear petals (S. Phusomsaeng 272) D fruit, showing short fruit pedicel and stipitate monocarps (T. Insura 56) E, F Artabotrys multiflorus E flowers, showing lanceolate petals with acute to obtuse apex F hooked inflorescence with many flowers. Photos: A, B, D T. Insura C Royal Botanic Garden Edinburgh E, F P. Chalermglin.