Actaea biternata




Family Ranunculaceae
Subfamily Ranunculoideae
Tribe Actaeeae
Scientific name Actaea biternata (Siebold & Zuccarini) Prantl
Synonyms Cimicifuga biternata (Siebold & Zuccarini) Miquel; Cimicifuga japonica auct., non (Thunberg) Sprengel; Pityrosperma biternatum Siebold & Zuccarini
Common name (Japanese common name) inu-shoma (イヌショウマ, 犬升麻 [meaning: false shoma (shoma = a traditional Chinese medicine)])
(English common name) none
Distribution (Japan) Honshu (Kanto region, Central region, Kinki region)
(Other nations) none
Habitat Mountane forest
Chromosomal number unknown
Description Plants 60-90cm tall. Leaves 1-2 ternate, leaflets each 5-20cm wide. Flowers calyx lobes 4-5mm long, white petals 4-5mm long, stamens 8-9mm long, flowering in August to September. Fruits 5-6mm long, seeds 1.2mm long. Perennial plants.



September 2008
at my home
September 2008
at my home
August 2008
at Nikko Botanical Garden



September 2008
at my home