goldencup St. John's wort; Hypericum patulum
A flowering shrub native to East Asia, often cultivated for its bright yellow flowers. The name is usually written in katakana.
Goldencup St. John's wort is blooming in the garden.
Kanji spelling is rare; the plant is almost always written in kana.
The name 金糸梅 (literally 'gold thread plum') refers to the plant's golden stamens and plum-like flowers. The exact origin of the Japanese name is uncertain.