双花金丝桃

本种与栽秧花的区别：花柱合生，雄蕊5束，每束具5-11雄蕊，萼片长1-2.5厘米；蒴果窄圆柱形或窄椭圆状纺锤形,长0.5-1.1厘米。

产地：台湾

生境：开阔多石砾地带

海拔：300-1200米

Hypericum geminiflorum Hemsl. in Ann. Bot. 9: 144. 1895; Levl. in Bull. Soc. Bot. France 54: 590. 1908: Hayata, Icon. Pl. Formosa 1: 76. 1911, 3: 41. 1913: N. Robson in Blumea 20: 253. 19 73, in Fl. Malesiana, Ser. I, 8: 19. 1974, 台湾植物志 2: 630.1976 et in Bull. grit. Mus. Nat. Hist. Bot. 12(4): 292. 1985.——H. trinervium Hemsl. in Ann. Bot. 9: 144. 1895: Levl, in Bull. Soc. Bot. France 54: 590. 1908; Hayata, Icon. Pl. Formosa 1: 79. 1911; Sasaki, List. Pl. Formosa: 296. 1928.——H. acutisepalum Hayata in Journ. Coll. Sci. Tokyo 30: 38. 1911, Icon. Pl. Formosa 1: 77, t. 15. 1911; Ito, Ill. Formos. Pls: 363. 1927; Liu, Ill. Nat. Introd. Lign. Pl. Taiwan l: 306, f. 254. 1960; 中国高等植物图鉴 2: 874, f. 3478. 1972.——Takasagoya acutisepala (Hayata) , Y. Kimura in Bot. Mag. Tokyo 50: 5O1, f.3j-o. 193b et in Nakai ＆ Honda, Nova Fl. Jap. 10: 92, ff. 37-2 38-3. 1951. ——T. geminiflora (Hemsl.) Y. Kimura in Bot. Mag. Tokyo 50: 501, ff2, 4j-n. 1936 et in Nakai ＆ Honda, Nova Fl. Jap. 10: 92, f. 37-5, f.38-4, et f. 40. 1951. ——T. trinervia (Hemsl.) Y. Kimura in Bot. Mag. Tokyo 5: 503. 1936 et in Nakai ＆ Honda, Nova Fl. Jap. 10: 95, f. 38-6. 1951. ——H. formosanum acct. non Maxlm.: Hayata, Suppl. Icon. Pl. Formosa 6: 7. 1916; 台湾植物志 2; 63D. 1976, pro parte, quoad t. 429.