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]
Botanical illustration
Conservation status
Least Concern  (IUCN 3.1)[2]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Saxifragales
Family:	Hamamelidaceae
Genus:	Distylium
Species:	D. racemosum
Binomial name
Distylium racemosum Siebold & Zucc.
Synonyms[3]
Distylium racemosum f. angustifolium (Masam.) H.Ohba