Isodon longitubus




Family Lamiaceae (alt. Labiatae)
Subfamily Nepetoideae
Tribe Ocimeae
Scientific name Isodon longitubus (Miquel) Kudô
Synonyms Amethystanthus longitubus (Miquel) Nakai; Isodon longitubus (Miquel) Kudô forma albiflorus (Makino) H. Hara; Plectranthus longitubus Miquel; Plectranthus longitubus Miquel var. contractus Maximovicz; Rabdosia longitubus (Miquel) H. Hara
Common name (Japanese common name) aki-choji (アキチョウジ, 秋丁字 [meaning: autumn '丁' letter flower])
(English common name) none
Distribution (Japan) Honshu (west of Central region), Shikoku, Honshu
(Other nations) China
Habitat Mountane forest
Chromosomal number 2n=24
Description Plants 70-100cm tall. Leaves 7-15cm long, 2.5-5cm wide. Flowers purple or white (forma albiflorus) corollas 1.7-2cm long, flowering in August to October. Perennial plants.
Reference Isodon longitubus (Miquel) Kudô



October 2007
at my home
October 2007
at my home
October 2006
at my home



October 2007
at my home