Hakea gibbosa Cav.

Species

Angiosperms > Proteales > Proteaceae > Hakea

Characteristics

Shrub, 0.9-3 m tall, not lignotuberous. Branchlets persistently densely brown-villous. Leaves narrowly divergent to widely spreading, usually grooved below, 2.5-8.5 cm long, 0.9-1.5 mm wide, densely villous, with hairs usually persistent until flowering; apex porrect, with mucro (1-) 1.8-2.3 mm long. Inflorescence axillary umbel of (1-) 2-4 flowers; rachis simple, 0.7-1.6 mm long, obscured by densely villous indumentum of persistent pale brown or ferruginous hairs much longer than rachis; pedicels 1.8-4.5 mm long, densely villous with white to ferruginous hairs. Perianth 3.8-5.3 mm long, cream-yellow, sparsely to moderately tomentose with some hairs appressed, or sparsely to moderately villous; hairs white to pale brown. Pistil 8.7-11.5 mm long. Fruit 2.6-4.5 cm long, 2-3 cm wide, often compressed when immature, coarsely rugose-reticulate and (in immature fruit) pusticulate; beak small, decurrent down one side, finely or coarsely black-pusticulate or tessellated; horns fragile, c. 0.3 mm long. Seed 20-33 mm long, 9-14 mm wide; wing almost fully decurrent down one side of seed-body only, with seed body flanged on the other side, dark-brown.
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Spreading shrub, hairy in most of its parts. Shoots terete, shaggy villous. Lvs simple, terete, 30-80 × 0.8-1.5 mm, villous at first and some hairs remaining, rigid and spiny. Fls solitary or few in fascicles. Pedicels 3-5 mm long, shaggy villous. Perianth white, sparsely hairy, < pedicel. Ovary stipitate; style glabrous; stigma large, oblique. Fr. 3.7-4.3 × (2.7)-3-3.5 cm, rugose, shortly beaked. Seed 30-33 × 10-14 mm (including wing), black; wing extending down both margins.
Shrub, much branched, up to 4 m high, shoots markedly hairy when young, glabrous later. Leaves needle-shaped, 80 mm long, sharp-pointed, grey-green to dark green, densely hairy when young, glabrous when mature. Flowers in leaf axils, pedicellate, cream-coloured. Flowering time June-Sept. Fruit a hard woody follicle, grey, 2 apical horns, rough, opening into 2 valves.
A bushy shrub or tree up to 4 m tall. Leaves needle-like, 40-80 mm long, 1-2 mm wide, tip sharply pointed, covered with dense, shaggy hairs when young, becoming hairless. Flowers dark cream. Follicles 20-35 mm long, 3 mm wide, with 2 sharp horns on the beaked tip, each growing at right angles to its stalk. Flowers: June to September.
Shrub or small tree to 4 m. Leaves needle-like, 40-80 mm long. Flowers axillary, cream-coloured. Fruits woody with knobs.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) 1.0 - 1.5
Mature height (meter) 4.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Grows in dry sclerophyll forest, in heath on Hawkesbury sandstone or in sandy soil on ridges, most common in windswept scrub on coastal cliffs.
Light 7-9
Soil humidity -
Soil texture 5-6
Soil acidity 2-4
Soil nutriment -
Hardiness (USDA) 10-12

Usage

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

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Hakea gibbosa unspecified picture

Distribution

Hakea gibbosa world distribution map, present in Australia, New Zealand, and South Africa

Conservation status

Hakea gibbosa threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:704205-1
WFO ID wfo-0000714306
COL ID 6KYC9
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Conchium cornutum Hakea gibbosa Hakea lanigera Banksia gibbosa Conchium gibbosum Conchium pubescens Conchium sphaeroideum Hakea tamminensis Banksia pinifolia Banksia longifolia var. pubescens Hakea pinifolia