Gomphocarpus cancellatus

(Burm.f.) Bruyns Broad-leaf Cotton-bush
Bothalia 25: 165 (1995)
Taxonomic status Accepted
Occurrence status Present
Origin Introduced
Degree of establishment Naturalised

Shrub to 1 m high; stems stout, pubescent. Leaves ovate-oblong, 3–7 cm long, 1–4 cm wide, apex usually obtuse, mucronate, base obtuse to truncate, margins thickened, leathery, prominently reticulate-veined, glabrous except for hairs on veins and margins; petiole 1–5 mm long. Inflorescences usually 6–20-flowered; peduncles mostly 2–4 cm long, erect, pubescent. Pedicels 15–30 mm long, pubescent, erect at anthesis, deflexed in fruit; sepals ovate, 3–5 mm long, free almost to base, pubescent; corolla-lobes ovate, 4–6 mm long, white and glabrous inside, purplish and pubescent outside; corona-lobes incurved, white with a pinkish base. Follicles ovoid-acuminate, 7–8 cm long, 2–3.5 cm diam., erect at maturity, outer surface pubescent and usually covered with soft spines c. 5 mm long, inner surface smooth and shiny; seeds c. 6 mm long, c. 3 mm wide, coma hairs c. 3 cm long. Flowers Apr.–Dec.

MuM, GleP, Brid, VVP, MSB, GipP, OtP, Gold, GGr, VAlp. Also naturalised SA. Native to South Africa. An occasional weed of the Mallee and also collected near Portland, in the Grampians and on Phillip Island.

Source:

Jeanes, J.A. (1999). Asclepiadaceae. In: Walsh, N.G.; Entwisle, T.J., ‍Flora of Victoria Vol. 4, Cornaceae to Asteraceae‍, pp. 325–332. Inkata Press, Melbourne.

Updated by: Daniel Ohlsen, 16 Jun. 2017
Gomphocarpus cancellatus (hero image) Spinning
Gomphocarpus cancellatus (distribution map) Spinning