Rhizome ±spherical, to c. 5 cm diam.; roots fibrous. Leaves annual, 5-10, narrowly lanceolate, 8-14 cm long, with ciliate-fringed margins, occasionally glabrous, usually withering before flowering. Stems perennial, to 60 cm long, several times dichotomously branched, with tuberculate-haired ridges. Umbels 1-3-flowered; pedicels 6-10 mm long, articulated 2-2.5 mm from base. Perianth segments 10-18 mm long. Sepals oblong, 1.5-3 mm wide, shortly mucronate. Petals elliptic, 5-7 mm wide; fimbriae 2-3.5 mm long. Stamens 6; anthers twisted, 3 outer 4-6 mm long, 3 inner 6-8 mm long and curved. Style curved, 6-9 mm long. Seeds ±cylindrical, c. 2 mm long, 1 mm diam.; aril pale yellowish.
Grows in Darling Ra. in Jarrah-Marri (Eucalyptus marginata-E. calophylla ) forest, mostly in lateritic or laterite-derived soils, and with granite rock in drier inland areas.
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