Citation: F. Muell. ex Benth., Fl. Aust. 2:40 (1864).

Synonymy: Not Applicable

Common name: Wheelers lamb-poison.

Description:
Erect many-stemmed bushy subshrub; stems 30-40 cm long, wiry, covered with a short dense rusty indumentum; leaves narrow-linear to filiform, to 30 mm long, c. 1 mm wide, with a hooked tip, channelled to grooved above by the involute margins, densely tomentose, on hardly distinguishable petioles 1-3 mm long; stipules lanceolate, c. 1 mm long, slightly falcate.

Flowers 6-9 mm long, on pedicels usually as long as the calyx, in few-flowered racemes or solitary; bract lanceolate, c. 1 mm long, densely tomentose with long white hairs; bracteoles adnate to the pedicel close to the calyx, similar, smaller; calyx 5-7 mm long, densely silky-pubescent outside, glabrous inside; lobes triangular-lanceolate, longer than the tube; petals yellow to red-brown; standard longest, reniform-orbicular, deeply notched, streaked purple; wings oblong; keel obovate, equalling the wings; ovary sessile, fusiform, many-ovulate; style short, incurved.

Pod shortly stipitate, obovate-oblong, 10-13 x c. 5 mm, turgid, pubescent, with a blunt or truncate apex; seed reniform, 2.5-3 x c. 2 mm, strongly reticulate, light-brown to a dark reddish-brown.

	Isotropis wheeleri
Image source: fig 360c 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. 399.

Distribution:  S.Aust.: LE, GT, EA.   N.T.; Qld; N.S.W. Conservation status: native Flowering time: Aug. — Sept.

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