Flamegold (Koelreuteria elegans) is a deciduous tree of 15 to 17 metres, with butter-yellow autumn flowers and bladder-like fruit. The subspecies formosana from Taiwan is the one widely grown as a street tree in tropical and subtropical areas.
Family
Sapindaceae (Soapberry & maple family)
Grows as
Tree
Light
Full sun
Water
Water regularly when young and during dry spells, then tolerate seasonal drought once established.
Soil
Well-drained soil, tolerant of a range of types.
Temperature
18–35 °C; protect young trees from frost.
How easy
Easy
Native range
Taiwan, Fiji
Climate
seasonally dry tropical
About
Koelreuteria elegans, more commonly known as flamegold rain tree, is a deciduous tree 15–17 metres tall. There are currently two subspecies under this taxa, i.e., K. elegans ssp. elegans, which is endemic to Fiji, and K. elegans ssp. formosana, which is endemic to Taiwan. The subspecies formosana, commonly known as Taiwanese golden rain tree, is widely grown throughout the tropics and sub-tropical parts of the world as a street tree.
K. elegans blossoms in autumn. Flowers are small, to 5 mm in diameter, and occur in terminal panicles. The flowers have four to five unequal petals, butter-yellow with red base. The flowers contains eight stamens with hairy filaments, and the ovary is three-celled, red while flowering.
Text excerpted from the Wikipedia article Koelreuteria elegans 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.