Hoya sussuela (Roxb.) Merr. syn.Hoya lauterbachii K.Schum.; Asclepias sussuela Roxb. - Apocynaceae -
unda namdanga (kamea)

Slender vine, native to Papua New Guinea and other parts of Malesia; leaves fleshy, up to 9cm long; corolla stiff and leathery, about 45mm diam., maroon colored, fragrant. 

From the flowers emanate a cocoa and dark chocolate scent "...combined in a discrete aromatic-floral frame... the main constituent (-)-(R)-1-methylbutyl benzoate, representing 87% of the volatiles, forms the basis of this unique scent, accompanied by a great number of olfactorly and structurally interesting minor compounds such as 1-methylbutyl nicotate (0.3%) or 1-methylbutyl cinnamate (0.02%)." \\
[Meaningful Scents around the World, Roman Kaiser, Zürich 2006, 78-79] 

{{:hoya_sus.jpg|Hoya sussuela}} \\ 
Hoya sussuela, Papua, Indonesia (2025) © kukuh indra [[https://creativecommons.org/licenses/by-sa/4.0/|CC BY-SA 4.0]] [[https://www.inaturalist.org/observations?verifiable=true&taxon_id=1006494|inaturalist.org]]