Distylium racemosum
Distylium racemosum, the isu tree, is a species of flowering plant in the family Hamamelidaceae.[1] It is native to subtropical eastern Asia; central and southern Japan, the Ryukyu Islands, South Korea (Jeju Island), southeastern China, Taiwan, Hainan, and northern Vietnam.[3] There are a number of cultivars, including 'Guppy' and the variegated 'Akebono'.[4][5]
Flowers with leaves
At Oyama Shrine
A young individual at a shrine in Japan
A mature individual
| Distylium racemosum | |
|---|---|
 | |
| Flowers lack petals but have red calyces and maroon stamens.[1] | |
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| Botanical illustration | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Order: | Saxifragales |
| Family: | Hamamelidaceae |
| Genus: | Distylium |
| Species: | D. racemosum |
| Binomial name | |
| Distylium racemosum | |
| Synonyms[3] | |
|
Distylium racemosum f. angustifolium (Masam.) H.Ohba | |
References
- "Distylium racemosum isu tree". The Royal Horticultural Society. 2022. Retrieved 21 September 2022.
8 suppliers
- Lin, Q.; Botanic Gardens Conservation International (BGCI).; IUCN SSC Global Tree Specialist Group. (2019). "Distylium racemosum". IUCN Red List of Threatened Species. 2019: e.T147377399A147614835. doi:10.2305/IUCN.UK.2019-2.RLTS.T147377399A147614835.en. Retrieved 2 August 2023.
- "Distylium racemosum Siebold & Zucc". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 21 September 2022.
- "Distylium racemosum 'Guppy'". The Royal Horticultural Society. 2022. Retrieved 21 September 2022.
- "Distylium racemosum 'Akebono' (v)". The Royal Horticultural Society. 2022. Retrieved 21 September 2022.
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