Callitris preissii Miq.

Rottnest island pine (en)

Species

Gymnosperms > Cupressales > Cupressaceae > Callitris

Characteristics

Small tree or shrub to 8 m tall, sometimes multi-stemmed. Branches erect. Leaves 2-4 mm long on ultimate branchlets, green or grey-green; dorsal surface rounded. Male cones clustered, cylindrical, to 5 mm long. Female cones solitary or grouped on stout, apically expanded, often clustered fruiting branchlets, globular to depressed-globular, apically rounded, 20-25 mm diam., persistent and holding seeds for several years after maturity; cone scales 6, thick, usually irregularly tuberculate, with tubercles to 3 mm wide, occasionally with a very small dorsal point below the apex, united below and forming a thick cone base, not spreading widely after opening; alternate scales reduced; larger scales apically abruptly obtuse; columella usually thick, entire, 2-4 mm high. Seeds numerous, dark brown; wings 2 or 3, c. 4 mm wide.
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Tree or shrub to 20 m tall, rarely multi-stemmed. Branches spreading to erect. Leaves 2-4 mm long on ultimate branchlets, grey-green or glaucous; dorsal surface rounded. Male cones cylindrical, clustered, to 5 mm long. Female cones solitary or grouped on stout, apically expanded, often clustered fruiting branchlets, ovoid to depressed-globular, 25-35 mm diam., persistent and holding seeds for several years after maturity; cone scales 6, thick, densely coarsely tuberculate, occasionally with a very small dorsal point below the apex, not separating near base, not spreading widely after opening; alternate scales reduced; larger scales apically abruptly obtuse; columella usually thick, entire, 3-angled, 2-4 mm high. Seeds numerous, dark brown; wings 2 or 3, c. 4 mm wide.
Life form
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination anemogamy
Spread -
Mature width (meter) -
Mature height (meter) 10.0 - 11.0
Root system -
Rooting depth (meter) 1.5
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Usually found on coastal and inland sand dunes (often calcareous); sandy floodplains and low ridges; skeletal soils on steep, rocky sites; somewhat alkaline clay soils; often in mallee woodlands and sometimes forming dense stands.
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Calcareous sand deposits derived from old beach dunes.
Light 7-9
Soil humidity 1-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Uses environmental use material medicinal wood
Edible -
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°) 1
Optimum temperature (C°) 16 - 33
Size -
Vigor -
Productivity -

Images

Callitris preissii unspecified picture

Distribution

Callitris preissii world distribution map, present in Australia and Brazil

Conservation status

Callitris preissii threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:261780-1
WFO ID wfo-0000580768
COL ID 68VPF
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Frenela robusta Callitris preissii Callitris robusta Callitris suissii Callitris tuberculata