Flower NameParthenocissus tricuspidata
Formal NameParthenocissus tricuspidata
Alias蔦, 夏蔦, Japanese Ivy, Boston Ivy
HabitatJapan, Korea,and China
MorphWoody deciduous vine
Parthenocissus tricuspidata or commonly called as Boston ivy, or Japanese ivy, Tsuta (scientific name: Parthenocissus tricuspidata) is native to Japan, the Korean Peninsula, and China, and is a deciduous woody plant belonging to the genus Ivy. It stretches while crawling the walls and trees with a cup-shaped sucker with changed leaves. The broad egg-shaped leaves are shiny and split 3 times. There is a sparse saw blade on the leaf edge. In summer, small inflorescences spread from short branches and small yellow-green five-petal flowers bloom. In autumn, the leaves turn red, forming small berries. A plant similar to the Ivy genus common ivy (scientific name: Hedera helixa) . Japanese ivy (P. tricuspidata) turns red, while common ivy (H. helixa) doesn't turn red.
Common name: Parthenocissus tricuspidata, scientific name: Parthenocissus tricuspidata, aka: Boston ivy, or Japanese ivy, Tsuta (Japanese name), Origin: Japan, Korean Peninsula, China, Habitat Distribution: All over Japan, Environment: Trees and outer walls, Living type: Deciduous vines, Vine length: More than 10 m, Bark: Dark brown, Leaf shape: broad egg shape, 3 shallow fissures, leaf length: 5-15 cm, leaf width: 5-15 cm, leaf edge: sparse sawtooth, petiole length: 15 cm, inflorescence: mutual, leaf color: green → Colored leaves (autumn leaves), amphoteric flowers, inflorescence form: concentrated inflorescence, flower color: yellow-green, flower diameter: 0.2 to 0.3 cm, number of petals: 5, stamens number: 5, flowering period: June to July, flowering Location: leaf buds, fruit type: berries, fruit diameter: 0.5-0.7 cm, fruit shape: sphere, fruit color: green → black purple (in autumn), seed shape: fallen egg shape, seed length: 0.4 cm, fruiting period: Autumn, use: exterior, bonsai, remarks: In the old days, vines were cut and the sap was boiled and boiled down to make sweeteners. Season: Autumn.
Flower typeActinomorphic Flower
Leaf typeBroad ovate Leaf
Flowering placeGarden foliage plant
Height1000 ~ 1000 [cm]
Diameter0.2 ~ 0.3