Streblorrhiza speciosa Endl.

Twining shrub. Leaves imparipinnate; leaflets 5–7, elliptic, 2.5–4 cm long, 1–2 cm wide, glabrous, acute to obtuse at base, apically rounded, slightly thickened and slightly emarginate. Inflorescence 3–6 cm long (including peduncle), 5–8-flowered; bracts triangular, c. 1 mm long, caducous; pedicels c. 5 mm long. Calyx campanulate; teeth triangular, 1–2 mm long, acute, ciliate. Standard petal 2–2.5 cm long; wings 1.5–2 cm long; keel 2–2.5 cm long, somewhat acute, clawed. Pods 4–4.5 cm long, laterally compressed, glabrous. Seeds c. 1 cm long.

Streblorrhiza speciosa is illustrated on a Norfolk Island postage stamp in a series of stamps featuring Phillip Island flowers issued in 2002. It also appeared on a Norfolk Island 4c postage stamp issued 1983.