Grevillea decurrens Ewart

Species

Angiosperms > Proteales > Proteaceae > Grevillea

Characteristics

Shrub or tree 2-4 (-6?) m tall. Leaves 15-40 cm long, pinnatipartite with 7-13 primary lobes; lower lobes sometimes bipartite; ultimate lobes elliptic or broadly elliptic to obovate, 3-18 cm long, 10-40 mm wide, pliable, basally decurrent, not pungent; margins flat; lower surface glabrous to sericeous. Conflorescence simple or to 6-branched; unit conflorescence ascending to decurved, subsecund to conico-cylindrical, acropetal; ultimate floral rachis 50-150 mm long. Flowers twisting to obliquely basiscopic orientation in bud stage; pedicels spreading to retrorse, 5-7 mm long. Flower colour: perianth pink, or cream becoming flushed with pink, rarely reddish; style pink. Perianth glabrous outside, sparingly bearded inside. Pistil 32-35 mm long, glabrous; stipe 10-12 mm long. Follicle subglobose, 24-33 mm long, thick-walled, glabrous.
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A small tree. It grows 3-5 m tall. The leaves are deeply divided into 2-5 pairs. The whole leaf is 12-30 cm long and the lobes are 5-16 cm long by 1-4 cm wide. The flowers are pale pink. They are 2-3.5 cm long. They are along a stalk 5-15 cm long. The fruit are round with a thick walled woody capsule. This is brown when ripe. It contains 2 papery winged seeds.
Life form perennial
Growth form
Growth support free-standing
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.0 - 5.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It suits tropical regions. It grows in open forest. It is often on shallow gravely soils. It needs well drained soils. It needs a warm sunny position.
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Grows in open woodland in sandy or gravelly soils.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

The seeds are eaten raw.
Uses -
Edible seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seed. The seed should be fresh. Seed can be soaked for 24 hours in warm water.
Mode seedlings
Germination duration (days) 20 - 25
Germination temperacture (C°) 23 - 26
Germination luminosity light
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Grevillea decurrens unspecified picture

Distribution

Grevillea decurrens world distribution map, present in Australia

Conservation status

Grevillea decurrens threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:703781-1
WFO ID wfo-0000709088
COL ID 3HCMX
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Grevillea decurrens