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| April 2008 at Tsukuba Botanical Garden |
April 2008 at Tsukuba Botanical Garden |
| Family | Primulaceae |
| Scientific name | Primula tosaensis Yatabe |
| Synonyms | Primula tosaensis Yatabe forma albiflora Mizuno |
| Common name | (Japanese common name) iwa-kozakura (イワザクラ, 岩桜 [meaning: rock cherry blossoms weed]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (Kii Peninsula), Shikoku, Kyushu (Miyazaki Prefecture) |
| (Other nations) none | |
| Habitat | Mountane limestone rocks |
| Chromosomal number | 2n=24 |
| Description | Leaves 3-7cm across, petioles 3-8cm long. Scapes 5-10cm tall. Flowers pink or merely white (forma albiflora) corollas 2.5-3cm across, flowering in April to June. Seeds 15-22mm long. Perennial plants. |
| Reference | Primula tosaensis Yatabe |
| Cytogenetical studies in Primula sieboldi E. MORREN : Chromosome numbers of 80 cultivars and related wild species | |
| DNA Information | Primula tosaensis |
| Note | Rare species. Endemic to Japan. |
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| April 2008 at Tsukuba Botanical Garden |
April 2008 at Tsukuba Botanical Garden |
