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(First upload on February 12 2011. Last on November 4 2016) [ 日本語 | English ]

Distribution: temperate Northern Hemisphere, including northern Japan) var. cordifolius (Miq.) Maxim. ex Franch. et Sav. Karahanasou (カラハナソウ, 唐花草), common hop Life form: dioecious, perennial climber Distribution: Eastern Asia

Habitat: grassland - forest Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト) var. lupuloides E. Small (syn. H. americanus Nutt.): Eastern North America

var. lupulus: Europe - western Asia, exotic to Japan (セイヨウカラハナソウ/ホップ) var. neomexicanus A. Nelson et Cockerell: Western North America var. pubescens E. Small: Midwest North America

[Engler's syllabus エングラー体系]

Humulus L. (カラハナソウ) in Japan

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H. scandens (Lour.) Merr. (カナムグラ)

H. lupulus L. (カラハナソウ)

Humulus lupulus in Hokkaido

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1 2 3
[1] a cast. [2] this species produces dimorphic leaves. [3] too late to see flowers. At Toya Lake Experimental Station, Hokkaido University, on August 24 2010. It was rain.

4 5 6
[4-6] near the Nishiyama Crater Group at the foot of Mount Usu on September 18 2013.

7 8 9
[7/8] along a forest road in Shimokawa Town, northern Hokkaido, on May 27 2016. [9] in a forest at the backyard of Toya Lake Toya Lake Experimental Station on September 13 2016.