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Common name: water gum, kanooka, kanuka
Tristaniopsis laurina (Sm.) Peter G.Wilson & J.T.Waterh. APNI*
Synonyms: Tristania laurina (Sm.) R.Br. APNI*
Description: Trees up to 30 m tall with smooth, pale bark shedding in strips. Young stems somewhat angular.
Leaves oblanceolate to narrow-oblanceolate, usually 6.5–12 cm long, 15–30 mm wide, apex obtuse to acute, upper surface dark green and glabrous, lower surface greyish white and pilose; oil glands scattered; petiole 3–8 mm long.
Inflorescences 7–15-flowered dichasia. Sepals triangular. Petals obovate, 4–5 mm long, 3–4 mm wide, yellow. Stamens mostly 12–20 per fascicle, shorter than the petals.
Capsule 6–10 mm long, 4–6 mm diam.; seeds winged, 5–6 mm long.
Distribution and occurrence: Grows in rainforest and sclerophyll forest; widespread on the coast and ranges, usually along banks of streams.
NSW subdivisions: NC, CC, SC, CT, CWS
Other Australian states: Qld Vic.
Text by Peter G. Wilson
Taxon concept: Flora of NSW 2 (1991)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.