Thunbergia alata Sims

Black-eyed Susan

Perennial climber that is sometimes treated as an annual. Leaves to about 7 cm long with toothed margins and winged stalks. Calyx of 12 teeth. Flowers to about 3.5 cm long, cream to orange, sometimes with dark purple-brown throat and 2 surrounding bracts; summer to autumn.

Tropical Africa

Rarely seeding out of the tropics but naturalised in a few places in NSW and many sites in Qld.

Leaves with winged stalks; petals notched, cream to orange.

Source: Spencer, R. (2002). Acanthaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 4. Flowering plants. Dicotyledons. Part 3. The identification of garden and cultivated plants. University of New South Wales Press.

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Distribution map

Thunbergia alata 'Aurantiaca'

Flowers yellow to orange with a dark throat.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     Asteranae
order      Lamiales
family       Acanthaceae
genus        Thunbergia Retz