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Giant Pinwheel Flower

Tabernaemontana pachysiphon

Giant Pinwheel Flower
Photo: Xjschx, CC BY-SA 4.0

Tabernaemontana pachysiphon is a tropical African shrub or small tree, up to about 15 m tall in forest, with fragrant white to pale yellow flowers and large green fruit. It is rarely grown outside its native range, so care guidance is general and it is best treated as a warm, frost-free garden or conservatory tree.

Family
Apocynaceae (Dogbane family)
Grows as
Tree, Shrub
Light
Part shade, Bright indirect
Water
Water regularly during the growing season and let the top few centimetres dry between waterings.
Soil
Free-draining, fertile, slightly acidic potting mix or loam.
Temperature
18–30 °C; protect below 10 °C
How easy
Moderate
Native range
Trop. Africa
Climate
seasonally dry tropical

About

Tabernaemontana pachysiphon grows as a shrub or small tree up to 15 m (50 ft) tall, with a trunk diameter of up to 40 cm (16 in). Its fragrant flowers feature white to pale yellow corolla lobes. The fruit is green, almost spherical, up to 15 cm (6 in) in diameter. Its habitat is forests from sea level to 2,200 m (7,200 ft) altitude. Its numerous local medicinal uses include as a styptic, and as a treatment for headache, hypertension and to relieve cramps. The species is native to tropical Africa.

Other Tabernaemontana plants

Tabernaemontana coffeoides · Tabernaemontana corymbosa · Adam's Apple Flower · Pinwheelflower · Low Veld Toadtree · Tabernaemontana undulata · Forest Toad Tree · Milkwood

Text excerpted from the Wikipedia article Tabernaemontana pachysiphon 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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