About Pimelea longiflora R.Br.
Pimelea longiflora R.Br. is an erect, spindly shrub that typically reaches a height of 0.3โ1.3 m (1 ft 0 in โ 4 ft 3 in), and its young stems are covered in dense hairs. Its leaves are linear to narrowly elliptic, measuring 4โ18 mm (0.16โ0.71 in) long and 1โ3 mm (0.039โ0.118 in) wide, and grow on a short petiole. The flowers are arranged in erect clusters of many blooms, carried on a peduncle 2โ20 mm (0.079โ0.787 in) long. The clusters are surrounded by 4 to 6 egg-shaped or narrowly egg-shaped involucral bracts, which are 5โ12 mm (0.20โ0.47 in) long and 1.5โ3 mm (0.059โ0.118 in) wide. Each individual flower sits on a pedicel 0.4โ0.5 mm (0.016โ0.020 in) long, has a floral tube 7โ12 mm (0.28โ0.47 in) long, and sepals 5โ6 mm (0.20โ0.24 in) long. Flowering of this species takes place from August to February.
This pimelea most commonly grows in swampy, winter-wet locations in sand or sandy clay. Its main range lies between Bunbury and Cape Riche in south-western Western Australia, with a separate disjunct population located in Fitzgerald River National Park. It occurs within the Avon Wheatbelt, Esperance Plains, Jarrah Forest, Swan Coastal Plain and Warren bioregions.