Grevillea refracta R.Br.

Species

Angiosperms > Proteales > Proteaceae > Grevillea

Characteristics

Tree or shrub, 2-6 m tall. Leaves pinnatipartite to almost pinnatisect and 4-21 cm long, or sometimes entire and elliptic or narrowly so to obovate or occasionally sublinear, 7-19 cm long, 2-31 mm wide; lobes up to 27, entire, obovate to elliptic or linear, 4-13 cm long, 1-45 mm wide, decurrent, pliable, not pungent; margins recurved to flat; lower surface sericeous to tomentose or subvillous. Conflorescence with 2-6 spreading to refracted branches; unit conflorescence recurved to refracted, secund, basipetal; ultimate floral rachis 5-20 mm long. Flowers acroscopic; pedicels spreading to retrorse, 4-8 mm long. Perianth subsericeous to villous or glandular-tomentose outside, with a transverse beard of hairs and papillae inside opposite summit of ovary. Pistil 15-22.5 mm long, glabrous; stipe 2.0-4.2 mm long. Follicle obliquely broadly ellipsoidal to subglobose, 18-31 mm long, thick-walled, glabrous.
More
A small tree or shrub. It grows 2-5 m high. It spreads 1-2 m wide. The small branches are angular. They have silky hairs. The leaves are 8-17 cm long and point upwards. They are deeply divided. There are 5-27 lobes that are 2-30 mm wide. The flower cluster is 3.5-5 cm long. The flowers are yellow and deepen with red with age.
Life form perennial
Growth form
Growth support free-standing
Foliage retention evergreen
Sexuality -
Pollination -
Spread -
Mature width (meter) 1.0 - 2.0
Mature height (meter) 2.0 - 5.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

A tropical plant. It grows in sand and gravelly soils.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

The seeds and gum are eaten. The nectar is sucked or used for drinks.
Uses gum
Edible flowers gums seeds
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants regrow naturally from seed. Seed germinate easily if soaked in hot water. Seed take about 33 days to germinate. It can be grown by cuttings.
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 refracta unspecified picture

Distribution

Grevillea refracta world distribution map, present in Australia

Conservation status

Grevillea refracta threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:704012-1
WFO ID wfo-0000709526
COL ID 3HCXC
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Grevillea refracta Grevillea velutina Grevillea heterophylla var. velutina Grevillea heterophylla

Lower taxons

Grevillea refracta subsp. glandulifera