Conospermum capitatum is a species of flowering plant in the family Proteaceae, and is endemic to the south-west of Western Australia. It is a low, erect shrub with coiled leaves and head-like panicles of red to pale yellow and hairy, tube-shaped flowers.
Conospermum capitatum is a low, erect shrub that typically grows to a height of up to 40cm (16in). Its leaves are coiled, 20–360mm (0.79–14.17in) long and 2–6mm (0.079–0.236in) wide and covered with woolly wide hairs, at least at first. The flowers are arranged in dense, head-like panicles 15–35mm (0.59–1.38in) long on a densely hairy peduncle4–5mm (0.16–0.20in) long. The bracteoles are 8–11mm (0.31–0.43in) long and 3–5mm (0.12–0.20in) wide and reddish-brown. The perianth is red to pale yellow and covered with woolly or silky hairs, forming a glabrous tube 5–7mm (0.20–0.28in) long. The upper lip is linear, 10–12mm (0.39–0.47in) long, the lower lip joined for 2.5mm (0.098in) long with lobes about 8mm (0.31in) long and 0.75mm (0.030in) wide. Flowering time varies with subspecies and the fruit is a hairy, rust-coloured nut2.5–3.0mm (0.098–0.118in) long and about 3mm (0.12in) wide.[2][3]
Conospermum capitatumR.Br. subsp. capitatum (the autonym)[7] has downy leaves less than 2mm (0.079in) wide, a distinct peduncle up to 70mm (2.8in) long, a woolly hairy perianth, and flowers in October and November.[8][9]
Conospermum capitatum subsp. glabratumE.M.Benn.[10] has usually glabrous leaves more than 2mm (0.079in) wide, a peduncle up to 4–5mm (0.16–0.20in) long, a woolly hairy perianth, and flowers from October to December.[11][12]
Conospermum capitatum subsp. velutinumE.M.Benn.[13] has white, velvety-hairy leaves between glabrous edge-veins, a peduncle up to 4–5mm (0.16–0.20in) long, a silky hairy perianth, and flowers in August and September.[14][15]
Distribution and habitat
Conospermum capitatum is found on hill slopes and winter-wet flat areas in the Avon Wheatbelt, Jarrah Forest, Swan Coastal Plain and Warren bioregions of south-western Western Australia where it grows in sandy, loamy and clay soils often over laterite.[2][3] Subspecies capitatum is found on flats and hillslopes in coastal regions of the south-west, in the Jarrah Forest and Warren bioregions,[8][9] subsp. glabratum on flats, gentle slopes and winter-wet areas and is widespread between Perth and Nannup in the Avon Wheatbelt, Jarrah Forest, Swan Coastal Plain and Warren bioregions.[11][12] Subspecies velutinum grows in sandy soils over laterite, and is common between Albany, Mount Barker and the Porongurup National Park.[14][15]
12Bennett, Edith M. "Conospermum capitatum". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 11 July 2024.
↑Brown, Robert (1811). "On the Proteaceae of Jussieu". Transactions of the Linnean Society of London. 10 (1): 155. Retrieved 11 July 2024.
↑George, Alex; Sharr, Francis (2021). Western Australian Plant Names and Their Meanings (4thed.). Kardinya, WA: Four Gables Press. p.157. ISBN9780958034180.
12Bennett, Edith M. "Conospermum capitatum subsp. capitatum". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 11 July 2024.
12Bennett, Edith M. "Conospermum capitatum subsp. glabratum". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 11 July 2024.
12Bennett, Edith M. "Conospermum capitatum subsp. velutinum". Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. Retrieved 11 July 2024.
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