Banksia integrifolia L.F.

Coastal banksia (en)

Species

Angiosperms > Proteales > Proteaceae > Banksia

Characteristics

Tree to 25 m tall, fire tolerant. Bark roughly tessellated. Stems pubescent and pilose, glabrescent, pale brown. Leaves in whorls of 3-5; petiole 4-10 mm long; lamina narrowly obovate to narrowly elliptic, 4-20 cm long, 10-26 mm wide, obtuse or emarginate; margins not or slightly recurved, entire; upper surface dull green, pubescent, glabrescent; lower surface closely white-woolly. Inflorescence 5-12 cm long; involucral bracts 2-10 mm long, tomentose. Flowers pale yellow, including styles. Perianth 22-25 mm long including limb of 3.5-4.5 mm, closely pubescent outside, glabrous inside. Pistil straight or slightly curved, 27-32 mm long, glabrous; pollen presenter 0.5-1 mm long, scarcely thickened. Old flowers soon falling. Follicles up to c. 60, narrowly elliptic, 7-15 mm long, 3-10 mm high, 3-6 mm wide; valves semi-elliptic, smooth, tomentose, glabrescent. Seed obovate, 10-20 mm long; seed body ±cuneate, 6-10 mm long, ±smooth.
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A medium sized tree. It grows to about 15-25 m tall. It spreads 2-10 m wide. The leaves are dull green above and silvery below. They can be 20 cm long. The young leaves have teeth along the edge while older leaves have smooth edges. The flowers are pale yellow on flower heads up to 15 cm long. Several different varieties of this plant occur. The fruit are silvery-grey cones with seed sacs which stick out the side.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 2.0 - 10.0
Mature height (meter) 9.0
Root system -
Rooting depth (meter) 1.5
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 along the coast. It grows on sand dunes. It is hardy and resistant to salt spray. It can grow from tropical to temperate climates. It needs moist well drained soil or dry soil. It can tolerate light frosts. It suits hardiness zones 8-11. Melbourne Botanical Gardens. Tasmania Herbarium. Arboretum Tasmania.
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Basalt and red sand areas, usually by the coast but also found at higher elevations where it can be very gnarled and stunted. Usually on coastal sand dunes and by inlets.
Basalt and red sand areas, usually by the coast but also found at higher elevations where it can be very gnarled and stunted. Usually on coastal sand dunes and by inlets.
Light 7-9
Soil humidity 3-5
Soil texture 2-4
Soil acidity 1-6
Soil nutriment -
Hardiness (USDA) 8-10

Usage

The flowers are soaked in water to make a drink from the nectar.
Uses environmental use gene source material ornamental timber wood
Edible flowers nectars
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seed. Selected forms can be grown from stem cuttings.
Mode cuttings seedlings
Germination duration (days) 30 - 90
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -10
Optimum temperature (C°) 18 - 32
Size -
Vigor -
Productivity -

Images

Habit

Banksia integrifolia habit picture by ian connop (cc-by-sa)
Banksia integrifolia habit picture by Danielle Stig (cc-by-sa)

Leaf

Banksia integrifolia leaf picture by Mairead Young (cc-by-sa)
Banksia integrifolia leaf picture by Danielle Stig (cc-by-sa)
Banksia integrifolia leaf picture by Danielle Stig (cc-by-sa)

Flower

Banksia integrifolia flower picture by ian connop (cc-by-sa)
Banksia integrifolia flower picture by Thomas Harrison (cc-by-sa)
Banksia integrifolia flower picture by Danielle Stig (cc-by-sa)

Fruit

Banksia integrifolia fruit picture by ian connop (cc-by-sa)
Banksia integrifolia fruit picture by Dawn Hendrick (cc-by-sa)
Banksia integrifolia fruit picture by Danielle Stig (cc-by-sa)

Distribution

Banksia integrifolia world distribution map, present in Australia

Conservation status

Banksia integrifolia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:703118-1
WFO ID wfo-0000559673
COL ID KL59
BDTFX ID 103160
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Sirmuellera integrifolia Isostylis integrifolia Banksia asplenifolia Banksia oleifolia Banksia reticulata Banksia spicata Banksia integrifolia var. dentata Banksia integrifolia var. major Banksia integrifolia var. minor Banksia glauca Banksia integrifolia var. integrifolia Banksia integrifolia

Lower taxons

Banksia integrifolia subsp. compar