Crowberry
Empetrum nigrum L. [Empetraceae]
APG assigns to Ericaceae
Gankouran (ガンコウラン, 岩高蘭)
Lifeform: creeping evergreen shrub
Distribution: circumpolar regions, including northern Japan
Habitat: ombrotrophic wetlands and mountain tops
Seed dispersal: endozoochore (animal)
Empetrum L. (Sp. Pl. 1753) in the world
E. eamesii Fernald et Wiegand (Rockberry)
ssp. eamesii
ssp. atropurpureum (Fernald et Wiegand) D. Love
E. nigrum L. (Crowberry)
ssp. hermaphroditum (Lange ex Hagerup) Bocher
var. nigrum: the type (セイヨウガンコウラン)
var. japonicum K. Koch (ガンコウラン)
f. albicarphum Honda ex H.Hara (シロミノガンコウラン)
E. rubrum Vahl ex Willd.
Empetrum nigrum ssp. hermaphroditum in Alaska
[Left] a patch on Sphagnum mat. [Right] Close-up of a fruit and leaves. At Poker Flats, interior Alaska, on August 11 2010.
Empetrum nigrum var. japonicum in Hokkaido
In a post-mined peatland, Sarobetsu Mire, northern Japan, on July 5, 2006.