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Conservation status

photograph

"Araucaria rulei dominating a shrubby maquis over ground with armour" (Schmid 1981).

photograph

Tree in mountains of New Caledonia (Lowry 1996).

map

Distribution map (redrawn from de Laubenfels 1972).

spacer Araucaria rulei  Muell.

Common Names

Rule araucaria (Silba 1986).

Taxonomic notes

Description

"A tree to 30 m tall, with a spider-like crown. Bark dark brown, exfoliating in thin strips or scaly. Juvenile branches distichous. Adult branchlets 2-2.5 cm. in diameter, in long whip-like cords. Juvenile leaves narrow, scale-like, incurved, sharply acute. Adult leaves scale-like, dark green, twisted, imbricate, lanceolate, midrib prominent, apex incurved, 2-2.5 cm. long by 1.1-1.4 cm. wide. Male cone cylindrical, 13 cm. long by 30 mm. wide, scales triangular, pollen sacs 15, microsporophylls triangular. Female cone to 12 cm. long by 8 cm. wide; bracts erect, triangular to 15 mm. long with a wide base. Seeds to 3 cm. long, nut with an elongated tip, wings ovate. Germination epigeal" (Silba 1986).

Range

New Caledonia: C and S areas, type near Presque de Bogota at 150-1150 m (Silba 1986).

Big Tree

I have no data on wild trees. A specimen in Arderne Gardens, Clairmont, South Africa was measured at 78 cm dbh and 18.6 m tall (Robert Van Pelt pers. comm., 24-Nov-2003).

Oldest

Dendrochronology

Ethnobotany

Observations

Remarks

See Also

de Laubenfels (1972).


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This page is from the Gymnosperm Database
URL: http://www.conifers.org/ar/ar/rulei.html
Edited by Christopher J. Earle
Last modified on 2007.05.30

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