Blainvillea cunninghamii (DC.) Orchard

Orchard, A.E. (2012) Austrobaileya 8(4): 660-662, Fig. 3, Map 3.

Spreading shrublet 30-150 cm tall with rigid branches.

Lower leaves opposite and upper leaves alternate. Leaves 3-veined, aromatic.

Flower heads pedunculate, 3-6 mm diameter. Outer involucral bracts lanceolate, acute, rigid, herbaceous; inner bracts oblong, acute, paleaceous. Plicate scales on receptacle, 5-6 mm long. Outer florets female with a three-lobed, emarginate, bright yellow ligule; disc florests hermaphrodite, tubular.

Achenes blackish, triquetrous, pubescent at the top with the papus united into a minute denticulate cup.

Features not available.

Native species from WA, NT, CYP and NEQ. Altitudinal range from 2-540 m. Found in rainforest margins, open forest, monsoon forest and deciduous vine thicket.

Becomes a weed in disturbed places.

Blainvillea acmella has been recorded from CYP and WA, usually on near-coastal locations, sometimes extending into woodland and vine thickets (see Flora of Australia 37:500).

Wedelia cunninghamii DC. in Candolle, A.P. de (ed.) (1836), Prodromus Systematis Naturalis Regni Vegetabilis 5: 540. Type: "in rupestribus insularum Goulburn ad oram borealem Australiae mart. flor. legit cl. A. Cunningham". Blainvillea dubia Specht in Specht, R.L.(1958) Records of the American-Australian Scientific Expedition to Arnhem Land No. 3 Botany and Plant Ecology : 314, fig. 26. Type: South Bay, Bickerton Island (Eucalyptus alba–E. polycarpa woodland): 524. N. eg. Type–Brisbane (BRI).