• Scientific Name: Tabernaemontana divaricata (L.) R.Br. ex Roem. & Schult.
• Ref: Syst. Veg., ed. 15 bis 4:427. 1819
• Synonyms:
  • Ervatamia coronaria (Jacq.) Stapf
  • E. divaricata (L.) Burkill
  • E. divaricata var. plena (Roxb. ex Voigt) M.R.Almeida
  • E. flabelliformis Tsiang
  • E. recurva (Lindl.) Lace
  • E. siamensis (Warb. ex Pit.) Kerr
  • Jasminum zeylanicum Burm.f.
  • Kopsia cochinchinensis Kuntze
  • Nerium coronarium Jacq.
  • N. divaricatum L.
  • Nyctanthes acuminata Burm.f.
  • Reichardia grandiflora Dennst.
  • R. jasminoides Dennst.
  • Taberna discolor (Sw.) Miers
  • Tabernaemontana citrifolia Lunan
  • T. coronaria (Jacq.) Willd.
  • T. discolor Sw.
  • T. flabelliformis (Tsiang) P.T.Li
  • T. gratissima Lindl.
  • T. lurida Van Heurck & Müll.Arg.
  • T. recurva Lindl.
  • T. siamensis Warb. ex Pit.
  • Testudipes recurva (Lindl.) Markgr.
  • Vinca alba Noronha
• English Common Name: pinwheelflower, crape jasmine, East India rosebay, Nero’s crown
• Chinese Common Name: 狗牙花 gǒuyá∙huā, 单瓣狗牙花 dānbàn gǒuyá∙huā
• Japanese Common Name: サンユウカ [三友花] sanyūka
• Family: Apocynaceae
• Genus: Tabernaemontana
• Distribution: Montane brushwoods, sparse forests; 100-1600 m. S Yunnan (cultivated in Fujian, Guangdong, Guangxi, Hainan, Taiwan, Yunnan) [Bangladesh, Bhutan, India, Myanmar, Nepal, Thailand; cultivated in tropical and subtropical Asia].
• Photo: 06/21/2009, South China Botanical Garden, Guangdong

Shrubs or small trees 0.5-5 m tall, glabrous. Petiole 3-10 mm; leaf blade elliptic or narrowly so, 3-18 X 1-6 cm, apex acuminate; lateral veins 5-17 pairs. Cymes dichotomous, 1-8-flowered; bracts scalelike. Flower buds with an ovoid head, apex acute or obtuse. Calyx lobes often ciliate. Corolla white, tube 1.5-2.7 cm; lobes simple or double, obovate or broadly so, 1.5-2.7 X 0.8-2 cm. Stamens inserted at basal third of corolla tube. Follicles obliquely and narrowly ellipsoid, 2-7 X 0.6-1.5 cm. Fl. Apr-Sep, fr. Jul-Nov. 2n = 22*. (Flora of China)

06/21/2009, South China Botanical Garden