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| September 2006 at Tsukuba Botanical Garden |
September 2006 at Tsukuba Botanical Garden |
September 2006 at Tsukuba Botanical Garden |
| 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. |
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| September 2006 at Tsukuba Botanical Garden |
September 2006 at Tsukuba Botanical Garden |
September 2006 at Tsukuba Botanical Garden |
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| September 2006 at Tsukuba Botanical Garden |
September 2007 at Tsukuba Botanical Garden |
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| December 2005 at Tsukuba Botanical Garden |
