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(First upload on June 2 2013. Last on March 8 2019) [ 日本語 | English ]

Hedera helix L.






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

Hedera L.(キヅタ)
Seiyoukizuta (セイヨウキヅタ, 西洋木蔦), ivy (common ivy, or English ivy)
Lifeform: (evergreen) twining vine, developed by aerial rootlets

occasionally growing up to 30 m high by climbing up trees, cliffs and wall, or as ground cover without suitalbe supports

Distribution: native to North Africa, Europe and East Asia (widly used for gardening, hedge, and wall in Japan)
Habitat: (semi-)shaded
Varieties (three subspecies in the native regions)
ssp. helix: C/N/W Europe, without rhizomes, and purple-black ripe fruit
ssp. poetarum Nyman: S/E/SW Asia, without rhizomes, and orange-yellow ripe fruit
ssp. rhizomatifera McAllister: SE Spain, with rhizomatiferous stems, and purple-black ripe fruit
cv argenteo-variegata (フイリセイヨウキヅタ)
索引

Hedera helix in Japan


ST1 ST2 ST3
ST4 ST5 ST6
[1-3] on a side-wall at Big Site, Tokyo, on May 12 2013. [4] in a park near TX Tsukuba Station, Tsukuba City, Ibaragi Prefecture, on March 7 2014. [5] fantastic climbing on a building near the HU campus on July 5 2017. [6] in the hometown forest of Haramachida, Tokyo, on December 10 2017.

Cultivars

ST1 ST2 ST3
[1] cv argenteo-variegata: at Showa Memorial Park, Nachikawa, Tokyo, on November 11 2013. [2/3] cv variegata around Sophia University, Yotsuya, Tokyo, on January 8 2019.
ST1 ST2
[1/2] cv light fingers at an entrance of cafe near the Skew Street close to Hokkaido University, Sapporo, on September 11 2017.

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