Trans. Philos. Soc. Victoria 1: 35 (1855)
Taxonomic status:Accepted
Occurrence status:Present
Establishment means:Native
Threat status:EPBC: endangered (EN); Victoria: endangered (e); listed in Flora and Fauna Guarantee Act 1988
Annual herb to 20 cm high; stems erect, without hairs, sometimes scabrous with small tubercles. Leaves narrowly linear, to 5(–10) cm long, 1–2 mm wide, pinnately lobed to entire, usually with a few dome-shaped tubercles. Inflorescence an elongating raceme. Sepals 1 mm long or less; petals rudimentary to absent; stamens 4, filaments dilated base; stigma sessile. Fruit broadly ovate to circular, 4.5–5.5 mm long, 4–4.5 mm wide, without hairs, wings broad, apically acute and pincer-like, sometimes overlapping over the narrow notch; pedicels 2–3 mm long, flattened. Flowers mostly spring–summer.
LoM, MuF, MuM, MSB, RobP, VRiv, Wim. Also SA, Qld, NSW. Uncommon in north-western quarter of State, mostly on heavy soils near lakes and watercourses.
| Bioregion | Occurrence status | Establishment means | |
|---|---|---|---|
| Lowan Mallee | present | native | |
| Murray Mallee | present | native | |
| Wimmera | present | native | |
| Victorian Riverina | present | native | |
| Murray Scroll Belt | present | native | |
| Robinvale Plains | present | native | |
| Murray Fans | present | native |
| State |
|---|
| South Australia |
| Queensland |
| New South Wales |
| Victoria |
