Polygala canaliculata R.A.Kerrigan

Annual herb, erect with ascending branches, up to 45 cm high; indumentum of curved hairs. Leaves sparse and caducous, sessile, linear, 12–47 mm long, 0.5–1.5 mm wide; apex acute, mucro c. 0.3 mm long. Inflorescence supra-axillary, usually a raceme to 170 mm long. Pedicel to 3.6 mm long, exceeding the leaves. Alae deflexed, becoming reflexed in fruit (position), herbaceous, lanceolate, narrowly elliptic or oblanceolate, dimidiate to falcate, 5–7 mm long, 1.6–2.4 mm wide, with scattered curved hairs. Corolla purple; floral appendages fimbriate; upper petal claw 1.2–1.5 mm wide. Stamens terminate at stigma, monadelphous; staminal flap 

Usually growing amongst rocky rubble of sandstone in eucalypt woodlands with Triodia spp.