Omphalolappula concava
(F.Muell.) Brand Burr StickseedErect or spreading, to 35 cm high, rosetted, covered densely with simple more or less appressed, sometimes broad-based hairs. Leaves sessile or subsessile, narrow-obovate to oblong, 1–4 cm long, 3–6 mm wide, apex acute or obtuse, base cuneate, margins flat. Inflorescences few-flowered; bracts about as long as pedicels; pedicels to c. 10 mm long. Sepals narrow-elliptic to lanceolate, 2–3 mm long; corolla 2.5–3.5 mm long, glabrous, blue, tube much longer than the oblong lobes, throat scales saccate; anthers c. 0.5 mm long, tapering to a point; style c. 0.5 mm long. Mericarps with 8–10 barbed spines. Flowers Aug.–Nov.
LoM, MuM, Wim, MSB, RobP, MuF, EGU. Also WA, NT, SA, Qld, NSW. Apart from isolated occurrences in dry woodlands near Suggan Buggan in the east, confined to mallee scrubs, lake margins and saline flats in the north-west.
Jeanes, J.A. (1999). Boraginaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 4, Cornaceae to Asteraceae, pp. 387–411. Inkata Press, Melbourne.