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White alder

Polyosma alangiacea

White alder
Photo: Herbrecs, CC BY 4.0

Polyosma alangiacea, white alder, is a rainforest tree from the Escalloniaceae family, native to the sub-coastal ranges of northeast Queensland. It is rarely grown as an ornamental and is best suited to cultivation in warm, humid, frost-free climates with rich, well-drained soil.

Family
Escalloniaceae (Escalloni family)
Grows as
Tree
Light
Part shade
Water
Keep the soil evenly moist in the growing season and avoid waterlogging.
Soil
Fertile, well-drained, humus-rich soil, ideally volcanic or loamy.
Temperature
18-30 °C; protect below 5 °C
How easy
Moderate
Native range
NE. Queensland
Climate
wet tropical

About

Polyosma alangiacea, commonly known as white alder, is a tree in the family Escalloniaceae which is endemic to northeast Queensland. It was first described in 1872.

Where it grows

The natural range of this species is the sub-coastal ranges of northeast Queensland from near Cooktown south to the area around Eungella, west of Mackay. It grows in well developed rainforest at altitudes from 400 to 1,200 m (1,300 to 3,900 ft), on volcanic soils (derived from basalt or granite).

Other Polyosma plants

Featherwood · Hairy Polyosma · Wrinkled bark polyosma · Polyosma

Text excerpted from the Wikipedia article Polyosma alangiacea by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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