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Leucospermum lineare
Also called Narrow-leaf pincushion, Assegaaibos Pincushion, Fallacious Leucadendrum, Galaxy Pincushion, Needleleaf Pincushion, Tangerine Pincushion
Leucospermum lineare is an evergreen shrub with linear leaves and is assigned to the Proteaceae. There are two distinct forms that have not been formally recognized as separate taxa. There is an upright form with orange flower heads of up to 2 m (6.6 ft) high, and a sprawling form of 2–3 m (6.6–9.8 ft) in diameter with yellow flower heads. Its common name is needle-leaf pincushion, or narrow-leaf pincushion, in English and smalblaarspeldekussing in Afrikaans. The orange-flowered form is called tangerine pincushion or assegaaibos pincushion. Flowering occurs in the first half of the southern hemisphere season, but peaks in September and October. It is an endemic species that can only be found in the southwest of the Western Cape province of South Africa.
Leucospermum lineare has been crossed with L. cordifolium, L. tottum and L. vestitum. Selections of the species and its hybrids are cultivated for cut-flowers and as garden plants.
The range of L. lineare extends from Bainskloof to the Klein Drakensteinberge. The form with horizontally sprawling branches and golden yellow flowers occurs is most widespread. An upright form with deep orange flowers grows at the Assegaaibos Kloof near French Hoek. The species mostly occurs in mountainous sites on heavy gravelly clay soils at elevations of 900–3,350 m (2,950–10,990 ft), with an average annual precipitation of 750–1,250 millimetres (30–49 in), most of which fall during the winter. In a few locations L. lineare occurs on Table Mountain Sandstone, but even there it is mostly underlain by weathered granite. Flowers can be found between July and January with a peak in September and October. Birds pollinate the flowers. The seeds fall from the flower heads after about 2 months. The seed is covered by a soft, sweet and fatty layer that emits pheromones (called elaiosome) that is coveted by ants. Indigenous ant species collect them and take them to their underground nests, where they eat the ant bread.
Redelinghuys Pincushion · Gordon's Bay Pincushion · Arid Pincushion · Catherine's Pincushion · Grey tree-pincushion · Heart Leaf Pincushion · Red pincushion-protea · Common Pincushion · Oudtshoorn Pincushion · Silver-leaf wheel pincushion · Potberg Pincushion · Soapstone Pincushion
Text excerpted from the Wikipedia article Leucospermum lineare by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
