Banksia spinulosa Sm.

Hairpin banksia (en)

Species

Angiosperms > Proteales > Proteaceae > Banksia

Characteristics

Shrub to 3 m tall, with or without lignotuber. Bark smooth with lenticels or becoming tessellated. Stems tomentose or hirsute, glabrescent. Leaves alternate; petiole 1-3 mm long; lamina narrowly to broadly linear, 3-12 mm long, obtuse; margins revolute, recurved or almost flat, shortly serrate to entire; upper surface hirsute, glabrescent; lower surface closely woolly. Inflorescence 6-12 cm long; involucral bracts fine, tomentose, persistent. Flowers golden or yellow; style golden, orange, red or black. Perianth 23-29 mm long including limb of 3-3.5 mm, pubescent outside, also inside in upper part. Pistil hooked, 30-40 mm long, glabrous except a few hairs on ovary; pollen presenter narrowly ovoid, 0.5 mm long. Old perianths usually persistent; styles soon falling. Follicles up to 100, elliptic to rhombic, 10-24 mm long, 5-7 mm high, 3-14 mm wide, flattened or rounded along suture, usually shouldered, slightly wrinkled, pubescent. Seed obovate, 12-20 mm long; seed body obovate, oblique, 6-10 mm long, 3-5 mm wide, smooth.
More
A medium spreading shrub. It grows 1-4 m tall. It can spread 1-4 m across. The leaves are narrow and the edges of the leaves are rolled under. The edges have small teeth. The leaves are green above and paler underneath. They are 2-10 cm long by 0.2-0.7 cm wide. The flowers are golden yellow. They are in flower heads up to 18 cm long. The fruit are follicles and the seed are retained after maturity.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) 1.0 - 4.0
Mature height (meter) 2.0 - 3.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a warm temperate to subtropical plant. It grows in coastal areas. It does best in acid soils. It cannot tolerate high pH. It needs well drained soils. It needs full sun. It can stand heavy frosts. Hobart Botanical Gardens. It suits hardiness zones 9-11.
Light 7-9
Soil humidity 1-3
Soil texture 1-2
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Uses material
Edible nectars seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

It can be grown from seed or cuttings.
Mode seedlings
Germination duration (days) 30 - 90
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -7
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Banksia spinulosa leaf picture by ian connop (cc-by-sa)

Flower

Banksia spinulosa flower picture by ian connop (cc-by-sa)
Banksia spinulosa flower picture by kayjen (cc-by-sa)
Banksia spinulosa flower picture by Peter Langley (cc-by-sa)

Distribution

Banksia spinulosa world distribution map, present in Australia

Identifiers

LSID urn:lsid:ipni.org:names:703190-1
WFO ID wfo-0000559828
COL ID KL9X
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Sirmuellera spinulosa Banksia denticulata Banksia spinulosa var. spinulosa Banksia spinulosa

Lower taxons

Banksia spinulosa var. collina Banksia spinulosa var. cunninghamii