Citation: Benl, Trans. R. Soc. S. Aust. 88:53, fig. 1 (1964).

Synonymy: Not Applicable

Common name: None

Description:
Perennial herb of various size and habit, with stout woody stems when fully grown, becoming glabrous but for the upper leaf axils; basal leaves spathulate, to 8.5 x 2.2 cm, mucronate; cauline ones lanceolate or obovate, to 4.5 x 1.5 cm, spiny-apiculate, the uppermost bract-like.

Spikes erect, pedunculate, ovoid lengthening to cylindrical, the exposed bright tips of the perianth protruding beyond dull dark bracts aristate like the paler somewhat narrower bracteoles; dorsal pubescence of the perianth-segments irregular, leaving a crest-like glabrous mark above the tube; outer perianth-segments to c. 15 mm long, with obtuse denticulate pink to flesh-coloured and unusually long (up to 6.5 mm!) glabrous apices, inner segments with some crisp marginal incurved hairs; 3 rarely 2 perfect stamens and staminodes widened at the base, fused into a turbinate cup without a free ring, adnate to the perianth tube; ovary subclavate, on a stipe of c. 1 mm, with 1 or 2 rows of hairlets at the top; style eccentric, to c. 4 mm long.

	Ptilotus blackii twig and perianth-segment.
Image source: fig 185a in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Distribution:    W.Aust.; N.T. Conservation status: native Flowering time: May — 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