Allocasuarina decaisneana (F.Muell.) L.A.S.Johnson

Desert oak (en)

Species

Angiosperms > Fagales > Casuarinaceae > Allocasuarina

Characteristics

Tree 10-16 m high. Branchlets drooping, to 50 cm long; articles 2-6 cm long, 0.7-1.5 mm diam., pubescent becoming glabrous; phyllichnia flat with broad shallow median groove; teeth 4, pungent, usually erect, 1.7-3.2 mm long. Male spikes 2-4 cm long, c. 10 whorls per cm; anther c. 0.7-0.8 mm long. Cones very woody, long-cylindrical, often pubescent when young, becoming glabrous; peduncle 5-15 mm long; cone body 28-95 mm long, 20-35 mm diam.; bracteoles acute, protuberance acute, nearly as long as bracteole body. Samara 8.5-17 mm long.
More
It grows to 10-15 m tall. It has deep roots. The trunk is straight. The bark is corky and deeply furrowed. The small branches hang downwards and are grey-green. The seed 'cones" are large.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination entomogamy
Spread barochory
Mature width (meter) 3.0 - 12.0
Mature height (meter) 10.0 - 15.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer frankia
Photosynthetic pathway c3

Environment

It grows in extreme environments. It grows in low rainfall red dunes in Central Australia. It can grow in arid places.
More
Grows chiefly in swales between sand dunes.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-11

Usage

Uses animal food environmental use food fuel material ornamental timber
Edible gums seeds stems
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) 20 - 35
Size -
Vigor -
Productivity -

Images

Allocasuarina decaisneana unspecified picture

Distribution

Allocasuarina decaisneana world distribution map, present in Australia

Conservation status

Allocasuarina decaisneana threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:909938-1
WFO ID wfo-0000526434
COL ID BVBH
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Allocasuarina decaisneana Casuarina decaisneana