Description: Perennial herbs or subshrubs, with taproot..
Leaves simple, opposite; blade ovate, 3-veined.
Inflorescence of solitary or few terminal heads, long pedicellate. Heads radiate; involucre hemispheric to campanulate; involucral bracts in 2 rows; receptacle convex. Ray florets female; lamina yellow. Disk florets bisexual; corollas yellow or greenish yellow; anthers brown to black. Ray achenes cuneiform, 3-angled, base setuliferous, apex truncate.
Disk achenes compressed and obscurely 4-angled, base setuliferous; pappus absent or usually a single awn.
Distribution and occurrence: Indo-Pacific regions. I species.
Text by Louisa Murray
Taxon concept: Flora of China Vol. 20-21 Page 6, 854, 871; Orchard, A.E. (2013), The Wollastonia/Melanthera/Wedelia generic complex (Asteraceae: Ecliptinae), with particular reference to Australia and Malesia. Nuytsia 23: 393-396
|One species in NSW: Wollastonia biflora|