Grevillea banksii R. Br.
Taxonomy
- Species:
- Grevillea banksii R. Br.
- Genus:
- Grevillea
- Family:
- Oxalidaceae
Synonym(s)
Common Names
- No common names
Properties
Botanic
Shrub or small, slender tree up to 4-10 m tall, rarely prostrate. Branchlets slightly ridged by decurrent leaf bases, tomentose.
"Leaves alternate, pinnatipartite, 6-12-lobed, (8-)14-30 cm long; petiole 3-5 cm long; lobes asymmetrical, broadly linear to lanceolate, glabrous above, ferrugineous-silky beneath."
Inflorescence a terminal or axillary (in one of the upper leaves), dense, subcylindrical raceme, 5-10(-21) cm long; peduncle 1-4 cm long, tomentose; rachis villous; pedicel 3-10 mm long, villous; flower red, yellowish or almost white, sometimes greenish or red; perianth suboblong, tube 13-20 mm x 3-4 mm, tomentose outside, glabrous inside, limb obliquely ovate.
Fruit an obliquely ovoid follicle with persistent style, 15-24 mm x 9-10 mm x 4-5 mm, coriaceous and dehiscing on one side, 1-2-seeded.
Seed 8-11 mm x 3.5-4 mm x 1 mm, narrowly winged, smooth, shiny.
Biology
It flowers year-round in Java and Peninsular Malaysia. If the fruits are not picked timely, they split open and the seed are scattered. Fully viable seed can be obtained from 3-4 years-old trees.
Habitat
In Queensland, G. banksii occurs on various soils, but mainly on compact sandy ones in flat areas.
It is moderately frost-tolerant.
Cultivation and Marketing
Cultivation
Native to south-eastern Queensland, introduced into Indonesia, Malaysia, Madagascar and South Africa. Naturalized in Madagascar.
Uses and Function
Boundary or barrier or support: Poles and forms effective wind-breaks in regions of high rainfall. Cultivar 'fosteri' is a dense shrub used in fences.
Ornamental: It is also grown as an ornamental.
Fodder: Prunnings provide a promising fodder for goats.
Fuel: It is suitable as a fuelwoods.
