太白山杜鹃 Rhododendron taibaiense

  • Scientific Name: Rhododendron taibaiense Ching & H.P.Yang
  • Ref: Bull. Bot. Res., Harbin 3(2): 88. 1983
  • English Common Name: Taibai rhododendron
  • Chinese Common Name: 太白山杜鹃 Tàibái Shān dùjuān, 陕西杜鹃 Shǎnxī dùjuān
  • Family: Ericaceae
  • Genus: Rhododendron
  • Distribution: Forest margins, open alpine slopes; ca. 3000 m. C Shaanxi.
  • Photo: 07/14/2009, Mt. Taibai, Qinling
Small, much-branched prostrate shrubs, 0.2–0.3 m tall; branches with dense ferruginous-black flaky scales. Petiole 0.8–1 mm, scaly; leaf blade broadly elliptic or oblong, 1–2.5 × 0.5–1 cm; base obtuse; apex rounded, mucronate; abaxial surface grayish yellow-brown, scales slightly contiguous, 2-colored, pale yellow and russet brown, nearly equal in number and intermixed; adaxial surface dark green, scales nearly contiguous, ruby red, shiny. Inflorescence 2-flowered. Pedicel ca. 0.2 cm, scaly; calyx lobes 3.5–4 mm, oblong, scales forming a dense central band, margin long-ciliate; corolla funnelform, pale purple, ca. 1.6 cm, tube 4–5 mm, throat pubescent; stamens 10, shorter than corolla, varying, filaments villous in lower part; ovary 2–3 mm, sparsely scaly; style 1.4–2 cm, longer than corolla, glabrous. Capsule ovoid, 3–4 mm, scaly. Fl. Jul–Aug, fr. Aug–Sep. (Flora of China)

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