Citation: C. White, Proc. R. Soc. Old 55:59 (1944).

Synonymy: S. corrugata Lindley var. pedunculata J. Black, Fl. S.Aust. 376 (1926); S. pedunculata (J. Black)J. Black, Fl. S. Aust. 559 (1952).

Common name: Ridge sida.

Description:
Prostrate or spreading undershrub with branches 20-70 cm long, with a soft whitish or sometimes yellowish stellate tomentum; leaf blades 1-3 times as long as the petioles, oblong to ovate, 15-90 x 5-40 mm, subeordate or obtuse at the base, bluntly to coarsely serrate with 3-7 teeth/ cm, densely persistently stellate-tomentose.

Flowers 1 or a few in the axils of leaves, on articulated peduncles 6-40 mm long, also on glabrescent black simple or branched rhachises 8-300 mm or more long, with the flowers usually solitary in the axils of a pair of stipules; calyx 5-8 mm long, enlarging in fruit and appressed around it, appressed-pubescent, with lobes about as long as the tube, triangular, acute, enclosing the base of the fruit; corolla 7-10 mm long, yellow.

Schizocarp much transverse-ellipsoid, concave above, grooved between the carpels, pubescent, 8-10 mm diam., wrinkled on the circumference, the 9-12 mericarps honeycombed on their sides and with a single groove at their apex.

	Sida cunninghamii leaf, fruit and mericarp.
Image source: fig 440f in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Cunningham et al. (1982) Plants of western New South Wales, p. 488.

Distribution:  Most frequent among dunes. S.Aust.: NW, LE, FR.   N.T.; Qld; N.S.W. Conservation status: native Flowering time: probably in all months.

SA Distribution Map based on current data relating to specimens held in the State Herbarium of South Australia

Biology: No text

Author: Not yet available