Harpoon Bud (species: Gymnanthera oblonga) in Lizard Island Field Guide (Lizard Island Field Guide)
Gymnanthera oblonga
Harpoon Bud

©Anne Hoggett: Leaves and fruit of Gymnanthera oblonga at Lizard Island (airstrip track on hill at LIRS end).

©Anne Hoggett: Leaves and stem of Gymnanthera oblonga at Lizard Island (airstrip track at LIRS end).

©Anne Hoggett: Gymnanthera oblonga, near Lizard Island airstrip. Flowers are 15 to 20 mm diameter.
Kingdom Plantae
Division Charophyta
Class Equisetopsida
Order Gentianales
Family Apocynaceae
Genus Gymnanthera
Species Gymnanthera oblonga



Distinguishing features

A twining climber with opposite leaves, a tough red/brown stem, large green/white fleshy flowers with five petals, and long, slender distinctively "forked" fruits. Leaves, fruits and stem produce a copious milky exudate.


  • Size data has not been obtained.



©Atlas of Living Australia: Australian distribution

Web resources


  • Byrnes, N.B., S.L. Everist, S.T. Reynolds, A. Specht and R.L. Specht (1977). The vegetation of Lizard Island, North Queensland, Proceedings of the Royal Society of Queensland, 88: 1-15. LIRS catalog number 3.