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(First upload on October 18 2013. Last on March 21 2026) [ 日本語 | English ]

Sedum L. (マンネングサ) Usuyukimannengusa (ウスユキマンネングサ, 薄雪万年草), Spanish stonecrop Isokomatsu (イソコマツ, 磯小松) Lifeform: creeping, evergreen perennial forb Distribution: central Europe - Asia Minor exotic to Japan (Hokkaido and northern Honshu) Hokkaido Blue List = B Habitat: roadsides and open spaces (escaped from gardening used for groundcover in the case of Hokkaido)

Flower: usually 6 petals ⇔ S. pallidum: 5 petals Leaf: pale-green, chylophyllous Chromosome number: 2n = 40 Use: groundcover Synonyms: Sedum lydium auct, non Boiss Varieties: a few cultivars

Sedum hispanicum in Hokkaido

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[1/2] escaped under a hedge at N24/E1, East Ward, Sapporo, on June 7 2015. [3/4] escaped under a hedge at N19/W1, North Ward, Sapporo, on July 1 2013. [5] on a roadside in N21/E3, East Ward, Sapporo, on August 19 2016. [6] on a roadside in N20W2, North Ward, Sapporo, on June 22 2016. [7] on a roadside along the Sosei River in N19/E1, East Ward, Sapporo, on May 31 2023. Records: escaped nearby Toko Store, N27/E2, on June 19 2021 and beside Hokkaido Central Driving School on March 25 and April 26 2024. In a parking lot of Road Station Iwanai on May 10 2025.

Sedum takesimense Nakai

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Takeshimakirinsou (タケシマキリンソウ, 竹島麒麟草), Takeshima stonecrop, Takeshima sedum or Ulleungdo stonecrop (called in Korea) Lifeform: stoloniferous, evergreen perennial forb, with 20-30 cm in height

Distribution: Ulleungdo Island (鬱陵島) in Korea - transplanted into Takeshima cold-tolerant Habitat: rocky seashores, bareground and steep slopes Chromosome number: 2n = 32

Synonyms: Phedimus takesimensis (Nakai) 't Hart, used when the genus is established Cultivars: Atlantis (variegated)

cv. Atlantis

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[1-3] within a flowerpot in front of a pharmacy across from Hokkaido University Hospital, Sapporo, on August 14 2025.