Keiskea japonica




Family Lamiaceae (alt. Labiatae)
Subfamily Nepetoideae
Tribe Elsholtzieae
Scientific name Keiskea japonica Miquel
Synonyms Keiskea japonica Miquel forma rubra Kigawa; Keiskea japonica Miquel var. hondoensis Nakai ex H. Hara
Common name (Japanese common name) shimo-bashira (シモバシラ, 霜柱 [meaning: frost columns])
(English common name) none
Distribution (Japan) Honshu (west of Kanto region), Shikoku, Kyushu
(Other nations) none
Habitat Mountane field
Chromosomal number unknown
Description Plants 40-70cm tall. Leaves 8-20cm long, 3-5.5cm wide. Flowers bracts ca. 2mm long, calyxs 3mm long (after flowering 5-6mm long), while (merely pale pink) corollas 7-9mm long, flowering in September to October. Fruits 1.5-2mm across. Perennial plants.
Note Native to Japan.
In cold winter season, beautifl frost columns may be constructed around stalks near ground.



September 2006
at Tsukuba Botanical Garden
September 2006
at Tsukuba Botanical Garden
September 2006
at Tsukuba Botanical Garden



September 2006
at Tsukuba Botanical Garden
September 2007
at Tsukuba Botanical Garden



December 2005
at Tsukuba Botanical Garden