Hypericum yojiroanum

Hypericum yojiroanum or Daisetsu Hina Otogiri (scientific name: Hypericum yojiroanum), endemic to Daisetsuzan (Japan), is a small, cold-resistant perennial herb of the genus Hypericum (Hypericaceae). It grows naturally in the geothermal wetlands of Daisetsuzan. The stems spread out as if crawling on the ground. The leaves are ovate and rounded with black and bright spots on the margins. In summer, the inflorescence grows and produces 3 to 5 sparse yellow flowers. The petals and sepals have black spots. The leaves turn red in autumn.

Common name: Hypericum yojiroanum or Daisetsu Hina Otogiri , scientific name: Hypericum yojiroanum, native to Daisetsuzan (Japan), life form: geothermal wetlands, herb size: 3 to 8 cm, life form: perennial, leaf color Green to red (autumn color), Leaf length: 1 cm, Leaf shape: inverted ovate, Leaf margin: wavy, Phyllotaxis: opposite, Flower diameter: 1 cm, Flower color: yellow, Fruit type: capsule, Flowering season: June to August, Use: rock garden, ground cover, Notes: Endangered IA.

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