2. The Endemic plants on Mt. Apoi

Theme B:
Learning about and enjoying the natural environment from Mt. Apoi's alpine plants

• 1. Rare flora of Mt. Apoi nurtured by peridotite rock
• 2. The Endemic plants on Mt. Apoi
• 3. A Crisis facing the flowers of Mt. Apoi
• 4. The precious plants and animals surrounding Mt. Apoi
• 5. Rich shoreline environment created by unique geological formations
• ※Choose the desired content.

Endemic species - plant populations found only in the Apoi Mountains (Mt. Apoi, Mt. Pinneshiri, Mt. Horoman)

Apoiazami (Cirsium apoiense), Ezokozorina (Hypochoeris crepidioides), Apoikanba (Betula apoiensis), Samaniotogiri (Hyericum samaniense), Hidakaso (Callianthemum miyabeanum)

Quasi-endemic species - found in the Apoi Mountains and one or two other regions

Ezoinunohige (Eriocaulon perplexum, Yufutsu wilderness), Hidakaiwazakura (Primula hidakana, Hidaka Mountains), Miyamahanmodoki (Rhamnus isidae; Hidaka Mountains, Yubari Mountains), Samanikaramatsu (Thalictrum integrilobum; Hidaka, Oshima and Iburi regions), Ezotakanenigana (Crepis gymnopus; Hidaka Mountains, Yubari Mountains, Teshio Mountains, Mt. Obira), Apoitanukiran (Carex apoiensis; Hidaka Mountains, Mt. Washibetsu)

Endemic subspecies - found only in the Apoi Mountains but related to fundamental species via intermediates

Hidakatohiren (Saussurea riederi ssp. kudoana)

Quasi-endemic subspecies - found in the Apoi mountains and one or two other regions

Hosobatoki (Angelica acutiloba ssp. Lineariloba; Hidaka Mountains, Yubari Mountains, Hobetsu)

Endemic variant species - found only on Mt. Apoi and featuring two or three morphological changes from fundamental species due to the influence of peridotites

Apoiazumagiku (Erigeron thunbergii var. angustifolius), Samaniyukiwari (Primula modesta var. samanimontana), Himeshiraneninjin (Tilingia ajanensis var. angustissima), Apoiyamabukishoma (Aruncus dioicus var. subrotundtus), Apoitsumekusa (Arenaria katoana var. lanceolata), Apoimantema (Silene repens var. apoiensis), Apoikinbai (Potentilla matsumurae var. apoiensis), Apoikaramatsu (Thalictrum foltidum var. apoiense)

Quasi-endemic variant species - found only in ultrabasic rock and limestone areas on the Apoi Mountains and in one or two other regions

Chaboyamahagi (Lespedeza bicolor var. nana, Cape Erimo), Hidakatorikabuto (Aconitum yuparense var. apoiense, Hidaka Mountains), Himeezonegi (Allium schoenoprasum var. yezomonticola; Mt. Obira), Ezosaiko (also known as Hosobanokoganesaiko, Bupleurum nipponicum var. yesoense; Hidaka Mountains, Yubari Mountains), Ezokisumire (Viola brevistipulata var. hidakana; Hidaka Mountains, Yubari Mountains, Teshio Mountains), Birodoezoshiogama (Pedicularis yezoensis var. pubescens; Hidaka Mountains, Yubari Mountains, Shiribeshi), Apoizekisho (also known as Chabozekisho, Tofieldia coccinea var. kondoi; Hidaka Mountains, Yoichi Mountains, Mt. Obira, Okushiri Island; classified as a quasi-endemic variant species due to nomenclature with the proper-noun prefix Apoi)

Endemic varieties - found only in the Apoi Mountains and featuring one or two morphological changes from fundamental plants (species, subspecies, variant species) due to the influence of peridotites

Apoikuwagata (Veronica schmidtiana var. yezoalpina f. exigua), Apoihahako (Anaphalis alpicola f. robusta), Apoimisebaya (Hylotelephium cauticolum f. montanum), Apoijaninjin (Cardamine schinziana O.E.Schulz var. lasiocarpa (H. Hara) Koidz; unconfirmed)

Quasi-endemic varieties - found in the Apoi Mountains and one or two other regions

Ezonohakusanbofu (Peucedanum multivittatum f. linearilobum; Kariba Mountains, Mt. Washibetsu)

Endemic species in Hokkaido

Ezotakanenigana (Crepis gymnopus; Hidaka Mountains including Cape Erimo, Mt. Apoi, Yubari Mountains, Teshio Mountains, Mt. Obira)
Ezonojaninjin (Cardamine schinziana; Oshima, Iburi, Shiribeshi, Tokachi, Abashiri)

Endemic variant species in Hokkaido

Apoitachitsubosumire (Viola sacchalinensis var. alpine; Hidaka Mountains, Yubari Mountains, Teshio Mountains, Hobetsu, Kamikawa)

Other valuable plants

Hosobanoezonokogiriso (Achillea ptarmica ssp. macrocephala var. yezoensis; a rare ultrabasic species found in rocky tracts along the Horoman River; Toikanbetsu in Horonobe Town, Kamui Kotan)
Ezorurimurasaki (Eritrichium nipponicum var. yezoense; not classified as a Hokkaido endemic forms due to presence in Sakhalin; Hidaka Mountains, Yubari Mountains, Kitami Mountains, Rebun Island, Sakhalin)

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