Pultenaea williamsonii

Open, semi-prostrate shrub, branches lax, trailing or weakly ascending, to 70 cm long; stems terete with a few appressed, pale hairs when young, soon glabrous. Leaves alternate, elliptic to obovate 7–30 mm (mostly c. 20 mm) long, 2–8 mm wide; apex obtuse, terminating in a short, fragile mucro; upper surface glabrous, darker than lower; lower surface with sparse, pale appressed hairs; margin slightly recurved; stipules 3–7 mm long, light to mid brown, papery in texture. Inflorescence a head of 5–15 flowers; bracts 5–7 mm long, trifid at tip, central lobe covered with pale hairs, much narrower than outer lobes, all lobes tapered to slender, fragile tips; calyx 5–6 mm long, covered with white or pale golden hairs; bracteoles attached 0–0.5 mm from base of calyx tube, boat-shaped, 3.5–5 mm long, 1.5–2 mm wide, hairy along keel; standard 6–7 mm wide; ovary and base of style densely covered with pale hairs. Pod flat, lower half enclosed by calyx. Flowers Nov.–Dec.