Banksia robur Cav.

Species

Angiosperms > Proteales > Proteaceae > Banksia

Characteristics

Shrub to 3 m tall, often straggly, with lignotuber. Bark smooth. Stems rusty-tomentose, becoming glabrous and grey. Leaves alternate; petiole 10-20 mm long; lamina obovate or elliptic, 12-30 cm long, 5-17 cm wide, truncate; margins slightly recurved, shortly serrate with many small teeth; upper surface tomentose, glabrescent; lower surface tomentose, with veins glabrescent. Inflorescence 10-17 cm long; involucral bracts 3-8 mm long, tomentose, persistent. Flowers crowded, metallic green in bud, becoming golden when open; style pale yellow. Perianth 22-26 mm long including limb of 3-4 mm, closely pubescent outside, glabrous inside. Pistil slender, straight, 28-33 mm long, glabrous; pollen presenter narrowly ovoid, 0.75 mm long. Old flowers persistent. Follicles up to c. 100 or more, narrowly elliptic, 10-16 mm long, 5-8 mm high, 4-6 mm wide; valves semi-elliptic, smooth, tomentose. Seed obovate, 15-20 mm long; seed body triangular, oblique, 10-11 mm long, 4-5 mm wide, smooth to slightly rugose.
More
A spreading shrub. It grows 1-2 m tall. The leave are alternate and narrowly oval. They can be 40 cm long. There are teeth along the edge. They are velvety white underneath. The flowers are in large spikes up to 17 cm long and 5-6 cm wide. They are a metallic green with pinkish styles in the bud stage. They become golden brown. The fruit is a follicle with 100 fruit.
Life form -
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.0 - 2.5
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a tropical plant. It grows in sandy soils in coastal areas often in areas that are seasonally flooded.
More
Grows in sand or peaty sand, usually swampy, in low woodland and in sedge-heathland.
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Hardiness (USDA) 8-12

Usage

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

Cultivation

Plants can be grown from seed or cuttings.
Mode seedlings
Germination duration (days) 30 - 90
Germination temperacture (C°) 18 - 21
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Images

Leaf

Banksia robur leaf picture by Liam York (cc-by-sa)
Banksia robur leaf picture by scott miller (cc-by-sa)
Banksia robur leaf picture by ian connop (cc-by-sa)

Flower

Banksia robur flower picture by Liam York (cc-by-sa)
Banksia robur flower picture by ian connop (cc-by-sa)

Distribution

Banksia robur world distribution map, present in Australia

Conservation status

Banksia robur threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:703178-1
WFO ID wfo-0000559791
COL ID KL8S
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Sirmuellera robur Banksia dilleniifolia Banksia fagifolia Banksia macrophylla Banksia pubescens Banksia robur Banksia uncigera Banksia latifolia Banksia longifolia Banksia mimosoides