Given a reference text about Pultenaea empetrifolia, tell me the colors of its flowers.
Pultenaea empetrifolia is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a spindly, prostrate or spreading shrub with down-curved, cylindrical, grooved leaves and yellow to orange and red flowers.
 
 Description
 Pultenaea empetrifolia is a spindly, prostrate or spreading shrub that typically grows to a height of up to 40 cm (16 in) and has glabrous stems. The leaves are cylindrical and curved strongly downwards with one or two grooves along the lower surface, 3���4.5 mm (0.12���0.18 in) long and 0.6���1.0 mm (0.024���0.039 in) wide with stipules at the base. The flowers are yellow to orange and red, and sessile or on a pedicel about up to 0.5 mm (0.020 in) long. The sepals are hairy and 4.0���4.6 mm (0.16���0.18 in) long with hairy bracteoles 1.5���3 mm (0.059���0.118 in) long at the base. The standard petal is 8.0���8.5 mm (0.31���0.33 in) long, the wings 7���8 mm (0.28���0.31 in) long and the keel 6.2���7.0 mm (0.24���0.28 in) long. Flowering occurs from September to October and the fruit is a pod.
The Pultenaea empetrifolia has yellow to orange and red flowers.