(First upload on May 27 2015. Last on July 22 2023) [ 日本語 | English ]

Fritillaria camschatcensis (L.) Ker Gawl.

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

Fritillaria L. (バイモ)
Kuroyuri (クロユリ, 黒百合, s.l.), Kamchatka fritillary or Kamchatka lily

Ainu (アイヌ語): anrakor (アンラコ)

Lifeform: perennial forb developing bulbs
Distribution: Sakhalin - northwestern North America

Japan: north to central Honshu

Habitat: grassy marshlands and grasslands
Chromosome number: 2n = 36 (3x) or 24 (2x)
var. camschatcensis (エゾクロユリ = クロユリ, s.s., 2n = 36)
var. keisukei Makino (ミヤマクロユリ, 2n = 24)
f. flavescens (Makino) T. Shimizu (キバナクロユリ), yellow flower

Fritillaria camschatcensis in Hokkaido

Restoration on the colonies of black tulips
Memorial project of the 100th anniversary of Kuroyuri-kai

The Kuroyuri-kai of Hokkaido University was founded in 1908 by students with a love for the fine arts. The club was named after the black tulips, Fritillaria camschatcensis, once found in abundance throughout the campus but virtually extict in recent years. Thanks to the efforts of students and alumni who secured and planted bulbs in 2005 as part of the club's centennial activities, their blooms may be enjoyred again each May.

Gagea1 Gagea2 Gagea3
[1-3] in the Arboretum of Faculty of Agriculture, Hokkaido University, close to Poplar Street on May 20 2015.

Gagea4 Gagea5 Gagea6
[4/5] at a garden beside the Sub-Ranger House, Toyotomi Town, northern Hokkaido, on May 28 2019. [6] in a forest near GSEES, HU, on May 15 2023.