Irenepharsus trypherus Hewson APNI* 
Description: Annual herb to 1 m high, spreading to erect, glabrous.
Stem leaves mostly 4–8 cm long, linear to lanceolate to elliptic, toothed; petiolate.
Sepals c. 2 mm long. Petals 3–4 mm long, white. Siliqua linear, 5–20 mm long, 0.7–1 mm wide, curved, ascending; pedicel 6–10 mm long, spreading to slightly reflexed; seeds without wing, sticky when wet but scarcely mucilaginous.
Siliqua linear, 5–20 mm long, 0.7–1 mm wide, curved, ascending; pedicel 6–10 mm long, spreading to slightly reflexed; seeds without wing, sticky when wet but scarcely mucilaginous.
Distribution and occurrence: Not common, grows in gullies on the coast and escarpment between Wollongong and the Shoalhaven R.
NSW subdivisions: CC, SC
Threatened species: NSW TSCA: Endangered ROTAP: 2RC-
Text by L. Retter & G. J. Harden
Taxon concept: Flora of NSW 1 (1990)
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