Reins. Gen. Pl. 1: 395 (1891) APNI
Annual with erect flowering stems, 10–50 cm high, winged in the upper half, with a triangular lobe at each node. Leaves rosetted at base, with 3–7 rounded lobes along each side, 2–18 cm long, 6–35 mm wide, wholly glabrous or the margins and major veins ciliate. Inflorescence often more or less flat-topped; spikes spreading, 8–15 mm long, each subtended by a broadly 3-winged branch 1–3 cm long; spikelets 1- or 2-flowered, c. 5–9 per spike; outer and middle bract ovate, scarious, c. 2 mm and 4 mm long respectively, inner bract firm, green, c. 6 mm long, with 2 strong, recurved apical spines; calyx 8–11 mm long, pale blue, the tube c. 5 mm long, the limb c. 9 mm diam., the brownish midribs exserted, alternating with broader membranous lobes; corolla with shallow, truncate lobes, shortly exceeding calyx, cream to yellow. Capsule circumsciss near apex; seed flattened-fusiform, 4–5 mm long, brown. Flowers Sep.–Nov.
*Gold, *LoM, *MuF, *MuM, *MSB, *RobP, *VRiv, *Wim. Also naturalised WA, SA, NSW. Native to the Mediterranean region. Occasional, or sometimes locally abundant, in the northwest of the State, particularly in the Ouyen-Hattah area. Usually occurring in slight depressions or fringing lakes.
|Bioregion||Occurrence status||Establishment means|
|Murray Scroll Belt||present||naturalised|
|New South Wales|