Pertya robusta




Family Asteraceae (alt. Compositae)
Scientific name Pertya robusta (Maximovicz) Beauvois
Synonyms Macroclinidium robustum Maximovicz
Common name (Japanese common name) kashiwa-ba haguma (カシワバハグマ, 柏葉白熊 [meaning: kashiwa leaved haguma (kashiwa = Quercus dentata, haguma = Bos grunniens' wool)])
(English common name) none
Distribution (Japan) Honshu, Shikoku, Kyushu, Okinawa
(Other nations) none
Habitat Mountane forest
Chromosomal number 2n=24
Description Plants electing 30-70cm tall. Leaves 10-20cm long. Flowers involucres 17-27mm long, flowering in September to November. Fruits 10-11mm long. Perennial plants.
Reference  New Tetracyclic Triterpenoids from Pertya robusta (MAXIM.) BEAUV. and Triterpene Components of Its Related Plants
The karyotype analysis and its karyotaxonomic considerations in the tribe Mutisieae
Phylogeny and Biogeography of the Genus Ainsliaea (Asteraceae) in the Sino-Japanese Region based on Nuclear rDNA and Plastid DNA Sequence Data



October 2006
at Mt. Tsukuba
October 2007
at lowland forest
October 2007
at lowland forest



October 2006 at Mt. Tsukuba October 2007
at lowland forest
October 2007
at lowland forest



December 2008
at Tsukuba Botanical Garden
December 2008
at Tsukuba Botanical Garden