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Agathis australis (D.Don) Lindl.

Kauri (en)

Species

Gymnosperms > Cupressales > Araucariaceae > Agathis

Characteristics

Monoec. tree, resiniferous, up to 30 m. or rarely up to 60 m., trunk up to 3 m. diam., occ. up to 7 m.; bark bluish grey, falling in large, thick flakes. Lvs alt. to subopp., sessile, thick, coriac., parallel-veined; of juveniles lanceolate, 5-10 cm. × 5-12 mm.; of adults 2-3·5 cm. long, about oblong, obtuse. Male strobili 2-5 cm. long, stout, cylindric; female cones subglobose, 5-7·5 cm. diam.; carpidia broad above, narrowing to base, rather thin, deciduous, uniovulate. Seeds ovate in outline, compressed, winged.
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An evergreen tree. It grows 25 m high and spreads 5 m wide. The stem is erect and branching. The crown in cone shaped. The leaves are bronze-green. They are narrow and curved. They are 5 cm long. The flowers are very small. The cones are in the axils of leaves. The male cones are 3 cm long and the female cones 7.5 cm long.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) 5.0
Mature height (meter) 30.0
Root system -
Rooting depth (meter) -
Root diameter (meter) 0.6
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is best in light, well-drained deep soil. It is resistant to frost but sensitive to drought. Arboretum Tasmania.
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Usually the dominant tree in forests at elevations up to 600 metres.
Light 7-9
Soil humidity 5-7
Soil texture -
Soil acidity 4-6
Soil nutriment -
Hardiness (USDA) 9-11

Usage

The resin is chewed.
Uses environmental use gum material medicinal timber wood
Edible gums saps
Therapeutic use Masticatory (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seeds.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) 14 - 24
Size -
Vigor -
Productivity -

Images

Distribution

Agathis australis world distribution map, present in Brazil and New Zealand

Identifiers

LSID urn:lsid:ipni.org:names:261668-1
WFO ID wfo-0000907999
COL ID 5TQT6
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Podocarpus zamiifolius Dammara australis Salisburyodendron australis Agathis australis Dammara purpurascens Dammara australis var. glauca
WorldFloraDB 2024