1)  Acer mandshuricum                Manchurian Maple

• The Manchurian Maple is native from Eastern Siberia into China and strongly resembles Acer griseum and Acer triflorum.
• This species is located in the Asian Maples Collection.

2)  Distylium racemosum                Isu Tree

• The flowers of Distylium racemosum are petalless, but have attractive red calyces (whorl of sepals) and purple stamens.
• The Isu tree is native to southern Japan, but can be found in the Witt Winter Garden and in our Hamamelidaceae Collection, east of Arboretum Drive near the Pacific Connections gardens.

3)  Pieris japonica                Lily-of-the-Valley Shrub

• This shrub from eastern China, Taiwan and Japan begins the spring with showy terminal panicles of flowers that range from white to dark-red, followed by extremely colorful new growth which will fade to green in summertime.
• Lily-of-the-Valley can be found at the Graham Visitor Center, the Witt Winter Garden and Rhododendron Glen.

4)  Rehderodendron macrocarpum

• This native of southwestern China and Vietnam is a member of the Styracaceae family and displays typical Styracaceous white pendent flowers in Spring.
• Though a relatively small tree in the Pacific Northwest, Rehderodendron macrocarpum is a dominant component in its native habitat.
• Specimens can be found along Azalea Way near our Puget Sound Rhododendron hybridizers bed as well as in the Witt Winter and Woodland Gardens.

5)  Viburnum bitchuense                Bitchiu Viburnum

• This native of Korea and Japan has pink buds that open to wonderfully fragrant white flowers.
• Viburnum bitchiuense can be found just across Arboretum Drive, outside the east doors of the Graham Visitor Center.