(First upload on October 8 2015. Last on May 28 2016) [ 日本語 | English ]

Akebia trifoliata (Thunb.) Koidz.

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

[Engler's syllabus (エングラー体系)]

Lardizabalaceae (アケビ)

Fruit: berry
Consisting of about 35 species in seven or nine genera
Akebia Dence. (アケビ)
Archakebia C. Y. Wu, T. C. Chen et H. N. Qin, when separated from Holboellia
Boquila Dence.
Decaisnea Hook. f. et Thomson
Holboellia Wall.
Lardizabala Ruiz et Pav.
Sargentodoxa Rehder et E. H. Wilson, treated as Sargentodoxaceae (サルゲントドクサ) by Engler (distributed in China and southeastern Asia)
Sinofranchetia (Diels) Hemsl.
Stauntonia DC. (ムベ)

Akebia Decne. (アケビ)

Akebia Decne. (アケビ)
A. longeracemosa Matsum. (ホザキアケビ)
A. quinata (Houtt.) Decne. (アケビ)
A. trifoliata (Thunb.) Koidz. (ミツバアケビ)
A. × pentaphylla (Makino) Makino (ゴヨウアケビ)

Akebia trifoliata in Hokkaido

Mitsubaakebi (ミツバアケビ, 三葉木通/三葉通草), three-leaf akebia
Lifeform: deciduous (to semi-evergreen), climbing woody plant
Distribution: China - Japan (Kyushu - Hokkaido)
Habitat: arable land, e.g., areas after clear-cutting
Leaf: three leaflets (= mitsuba)
Fruit: edible (sweety) → the seeds dispersed by animals
Chromosome number: 2n = 32

Akebia trifoliata (Thunb.) Koidz. var. litoralis Konta et Katsuy.

ssp. australis (Diels) T. Shimizu (ナンゴクミツバアケビ)

[1-3] in a small field, probably home garden, in front of Muroran Marine Experimental Station faced to the Funka Bay on September 14 2015. [4] on Fukuura-jima Island in Matsushima Islands, northern Honshu, on March 21 2016.