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Star Chestnuts

Sterculia

Also called Tropical Chestnut, Tropical Chestnuts

Star Chestnuts
Photo: Unknown author, Public domain

Sterculia is a genus of about 180 tropical and subtropical trees in the mallow family, often called tropical chestnuts. Few are grown as garden or houseplants; the key to growing them is warm, frost-free conditions with plenty of sun.

Family
Malvaceae (Mallow family)
Light
Full sun
Water
Water regularly during the growing season and let the top of the soil dry slightly between waterings.
Soil
Well-drained, fertile soil or a loamy potting mix.
Temperature
18–35 °C; protect below 10 °C
How easy
Moderate
Safety
Toxic

About

Sterculia is a genus of about 180 species of flowering plants in the hibiscus family Malvaceae, subfamily Sterculioideae. It was formerly placed in the now obsolete family Sterculiaceae. Members of the genus are colloquially known as tropical chestnuts. Sterculia may be monoecious or dioecious, and its flowers unisexual or bisexual.

Safety

The pods, particularly those of S. foetida, contain seeds reported to be edible, with a taste similar to cocoa. However, the oil contains cyclopropene fatty acids which could be carcinogenic or co-carcinogenic.

Gum karaya is extracted from Sterculia species, and is used as a thickener and emulsifier in foods, as a laxative, and as a denture adhesive. In India, this is sourced from: Gujarat, Maharashtra, Madras, Madhya Pradesh and Chhota Nagpur.

Where it grows

This genus is pan-tropical, with species occurring in tropical and subtropical parts of Africa, Asia, the Indo-Pacific region and the Americas.

Other Sterculia plants

Panama tree · Hazel sterculia · Spotted Sterculia · Chinese Chestnut · Sterculia parviflora · Peanut tree · Sterculia rubiginosa · Sterculia

Text excerpted from the Wikipedia article Sterculia 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.

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