About Pultenaea spinosa (DC.) H.B.Will.
Pultenaea spinosa (DC.) H.B.Will. is a low-lying to erect shrub that typically grows up to 3 m (9.8 ft) tall, and has glabrous stems. Its leaves are arranged in opposite pairs or whorls of three, with a shape ranging from egg-shaped to rhombic. Each leaf is 4โ15 mm (0.16โ0.59 in) long and 1.5โ2.5 mm (0.059โ0.098 in) wide, with 1โ2 mm (0.039โ0.079 in) long triangular stipules at the base, and a sharp point at the tip. Flowers are arranged in loose groups near the ends of branches, and each flower is 7โ15 mm (0.28โ0.59 in) long. Each flower sits on a 3โ7 mm (0.12โ0.28 in) long pedicel, with 2โ4 mm (0.079โ0.157 in) long glabrous bracteoles attached to the base of the sepal tube. The sepals are 6โ9 mm (0.24โ0.35 in) long. The standard petal is yellow-orange with a red base, and 6โ14 mm (0.24โ0.55 in) long. The wing petals are yellow-orange and 5.5โ14.2 mm (0.22โ0.56 in) long, while the keel is reddish-brown, yellow or orange, and 5.8โ12.5 mm (0.23โ0.49 in) long. Flowering occurs mainly from September to November, and the fruit is a 6โ7 mm (0.24โ0.28 in) long pod. This species grows in forest on rocky sites in southeastern Australia. Its distribution covers eastern Queensland south from the Leichhardt district, eastern New South Wales, the Australian Capital Territory, and north-eastern Victoria.