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(First upload on July 2 2006. Last on October 10 2017) [ 日本語 | English ]

Epilobium angustifolium L.






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

Epilobium L. (アカバナ)
Yanagiran (ヤナギラン, 柳蘭), fireweed
Etymology: The English common name is derived from the abundance soon after wildfire, or from the flower color
Lifeform: perennial forb
Distribution: throughout the temperate and cool Northern Hemisphere
Habit: pioneer species soon after disturbance, such as clearcutting, wildfire, and landslide
Synonyms:

Chamaenerion angustifolium (L.) Scop when established
Chamerion angustifolium (L.) Holub

ssp. circumvagum Mosquin (ウスゲヤナギラン)
f. pleniflorum (Nakai) H. Hara (ヤエザキヤナギラン)
f. albiflorum H. Hara (シロバナヤナギラン), SAP (Col = Ito K, Loc = in or around Utanobori)

Epilobium angustifolium in the Northern Hemisphere


Volcanoes in Hokkaido

索引

ST1 ST2 ST3
[1-3] on the southwestern slope of Mount Koma (flora), southern Hokkaido, on July 10 2017. Discarded: in the crater basin of Mount Usu (flora) on July 30 1991, on Mount Koma on July 10 2003 (by Akasaka, M.), and on Mount Koma on July 12 2005 (by Matsuda, M.)

Interior Alaska

PF4 PF5 PF6
[4-6] fireweed in Poker Flat, Fairbanks, AK. [4] on August 3 2005. [5/6] on August 9 2012.


f. albiflorum

Shirobana-yanagiran (シロバナヤナギラン, 白花柳蘭), white-flowered Fireweed
Synonym: Chamaenerion angustifolium (L.) Scop. f. albiflorum H. Hara

ST1 ST2 ST3
[1-3] at Poker Flat near Fairbanks, Interior Alaska on July 24, 2006, by Narita K. [1] A whole individual. [2] Close-up to an influorescence. [3] Close-up to a single flower.

Epilobium latifolium L.


Hime-yanagiran (ヒメヤナギラン, 姫柳蘭), dwarf fireweed or river beauty willowherb
Lifeform: perennial forb
Distribution: circumboreal (subarctic and arctic regions)

reported from Kitadake Mountain, central Honshu, in 1986

Habitat: gravel bars and talus
Synonyms:

Chamaenerion latifolium (L.) Th. Fr. et Lange, often used
Chamerion latifolium (L.) Holub

ST1 ST2 ST3
[1/2] along Jago River in ANWR, Alaska, [1] on August 1 2006. [2] on August 2 2006. [3] close to Okhotsk Sea at Nome in Seward Peninsula on August 6 2013.

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