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(Upload on May 28 2022) [ 日本語 | English ]

Polemonium caeruleum L.






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

Polemonium L. (ハナシノブ)
P. caeruleum L., Jacob's-ladder or Greek valerian
Lifeform: hardy, short-lived perennial forb
ssp. caeruleum (ヨウシュハナシノブ), the type
ssp. campanulatum Th. Fr. (キョクチハナシノブ)

Syn. P. acutiflorum Willd. ex Roem. et Schult.

ssp. kiushianum (Kitam.) H. Hara (ハナシノブ)
ssp. laxiflorum (Regel) Koji Ito (カラフトハナシノブ)

var. paludosum (Koji Ito) T. Yamaz. (クシロハナシノブ)
f. albiflorum Tatew. (シロバナカラフトハナシノブ)
f. insulare Koji Ito (レブンハナシノブ)

ssp. liniflorum (V. Vassil.) Tolm. ex Tzvelev (トウハナシノブ)
ssp. yezoense (Miyabe et Kudô) H. Hara
Ezon(no)hanashinobu (エゾハナシノブ, 蝦夷花忍, s.l.)
Distribution: endemic to Japan (Chubu - Hokkaido)
Habitat: grasslands and forest edges in (sub-)alpine zones

var. nipponicum (Kitam.) Koji Ito (ミヤマハナシノブ)
var. yezoense Miyabe et Kudô (エゾノハナシノブ, s.s.)

索引

Polemonium caeruleum grown in a greenhouse


ssp. yezoense

ST1 ST2 ST3
[1-3] at Sakuya Konohana Kan (咲くやこの花館) located in Osaka, western Japan, on February 6 2022.

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