Grevillea pterosperma F.Muell.

Species

Angiosperms > Proteales > Proteaceae > Grevillea

Characteristics

Erect shrub 2-4 m high. Leaves ascending, (3-) 6-18 cm long, entire and ±linear and 0.8-2 mm wide, or occasionally 2-6-partite with entire linear lobes 1-1.5 mm wide; upper surface with 3-5 longitudinal ridges; margins ±angularly revolute; lower surface enclosed except for midvein, 2-grooved. Conflorescence erect, usually simple, sometimes few-branched; unit conflorescence dense, cylindrical, 6-8 cm long, basipetal or sometimes subsynchronous. Flowers oriented transversely to rachis. Flower colour: perianth greyish white outside, creamy white inside; style cream to pale yellow. Perianth subsericeous-villous outside, glabrous or with a few hairs at base inside; tepals lax and recurved after anthesis. Pistil 12-21 mm long; ovary stiffly villous; style glabrous or with hairs in basal c. 2 mm only; pollen-presenter oblique. Follicles 15-20 mm long, transverse to oblique on pedicel, thickly lenticular, subvelutinous to tomentose with short biramous hairs often also with simple erect glandular viscid hairs.
More
A medium sized shrub. It has a bushy spreading habit. The bark is dark and hard. Young growth is hairy. The leaves are 4-20 cm long by 0.2 cm wide. They are dull green and have lines along them. They are leathery with sharp tips. The flower arrangements are 8-14 cm long. The flowers are cream to white. They have short stalks and are crowded. The fruit is 1.3-1.8 cm long and 0.6-0.8 cm wide.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.0 - 4.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It grows in inland regions. They are sensitive to waterlogging. They do not grow well in heavy soils. It can grow in arid places. It suits hardiness zones 9-11.
More
Grows in a variety of habitats in mallee, heath, open woodland and spinifex, in rocky loam to deep sand.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses -
Edible gums seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants are grown from seed.
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 -

Distribution

Grevillea pterosperma world distribution map, present in Australia

Conservation status

Grevillea pterosperma threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:703997-1
WFO ID wfo-0000709499
COL ID 3HCWR
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Grevillea pterosperma Grevillea sericostachya