Grevillea juncifolia Hook.

Species

Angiosperms > Proteales > Proteaceae > Grevillea

Characteristics

Erect to spreading shrub or small tree, 1-7 m high. Leaves 8-30 cm long, ascending, entire or pinnatipartite (almost pinnatisect); lobes 2-6, ascending, ±parallel, 5-22 cm long, oblong in cross-section; entire leaves and lobes linear, 0.8-2.1 mm wide, ±pungent; margins revolute; lower surface enclosed except for midveins, hairy in grooves. Conflorescence usually branched; unit conflorescence erect, cylindrical to conical, acropetal; ultimate floral rachis 50-160 mm long. Perianth sericeous to pubescent outside with biramous hairs, or sparsely pubescent to tomentose with both biramous and erect simple glandular hairs (the latter sometimes predominating). Pistil 18-27 mm long; style sometimes villous in basal third, otherwise papillose or glabrous, lacking dorsal hump below style-end. Follicle 15-29 mm long, pubescent to subvillous or lanate with biramous hairs, usually with some erect simple glandular hairs also.
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A medium sized shrub. It grows to 6 m tall. It can have 2 or more main trunks. It is often 3 m high and 3 m wide. The leaves are needle like and simple or divided. They are 27 cm long. The flowers occur in large spikes. They are orange. The fruit are pods which occur in clusters. They are slightly hairy and rounded. They have a small spike. Each pod has 2 seeds. These have papery wings.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.5 - 6.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

It grows in warm temperate regions. It suits arid and semiarid places. It needs well drained soil. It can grow in full sun or light shade. It can stand light frost. It grows on sand hills and sandplains. It suits hardiness zones 8-10.
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Grows on sandhills or sandy flats in Eucalyptus , Acacia , Casuarina or Triodia dominated situations.
Light -
Soil humidity -
Soil texture -
Soil acidity -
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Hardiness (USDA) 8-11

Usage

The orange flowers are sucked for nectar. The flowers can be soaked in water to make a drink. It can also be mixed with wattle gum to make a jelly.
Uses gum medicinal
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seed or cuttings. Seed should be soaked in warm water for 36 hours.
Mode seedlings
Germination duration (days) 20 - 25
Germination temperacture (C°) 23 - 26
Germination luminosity light
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
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Vigor -
Productivity -

Images

Grevillea juncifolia unspecified picture

Distribution

Grevillea juncifolia world distribution map, present in Australia

Conservation status

Grevillea juncifolia threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:703872-1
WFO ID wfo-0000709275
COL ID 3HCRP
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Grevillea juncifolia Grevillea mitchellii Grevillea sturtii Grevillea sturtii var. pinnatisecta

Lower taxons

Grevillea juncifolia subsp. temulenta