Collinsonia japonica

Flower name
Collinsonia japonica
Scientific name
Collinsonia japonica
Alias霜柱, Collinsonia japonica
Place of originJapan
Place of floweringLow mountains
Flowering seasonSeptember, October

What is Collinsonia japonica

Collinsonia japonica or shimobashira (scientific name: Collinsonia japonica) is an endemic species of Japan and is a perennial perennial plant in the family Lamiaceae. It grows naturally in low mountain forests from the south of Kanto to Kyushu. In the autumn, the inflorescence is extended and a large number of white bell-shaped florets are released. Stamens protrude from the corolla. It is known for the formation of frost pillars on stems that withered in winter.

Generic name: Shimobashira (frost column), Scientific name: Collinsonia japonica, Synonym: Keiskea japonica, Origin: Japan, Plant height: 40-70 cm, leaf Introductory: opposite, leaf length: 8-20 cm, leaf shape: oval, leaf margin: sawtooth, flowering period: September-October, inflorescence form: raceme, corolla shape: bell-shaped, flower color: white, flower diameter : 0.6-0.7 cm, stamen: stick out from the corolla.