Alstonia spectabilis R.Br.

 
  • Family : APOCYNACEAE
    (Dogbane Family)
  • Family (Hindi name) : KARONDA FAMILY (करौंदा फैमिली)
  • Family (as per The APG System IV) : Apocynaceae
  • Synonym(s) : Alstonia linearis Benth.; Alstonia longissima F.Muell.; Alstonia ophioxyloides F.Muell.; Alstonia somersetensis F.M.Bailey; Alstonia spectabilis subsp. ophioxyloides (F.Muell.) P.I.Forst.; Alstonia villosa Blume; Alstonia villosa f. calvescens Markgr.; Alstonia villosa var. glabra Koord. & Valeton; Blaberopus villosa var. petiolata Miq.; Blaberopus villosus (Blume) Miq.
  • Species Name (as per The IPNI) : Alstonia spectabilis R.Br.
  • Habit : Tree
  • Key identification features : Tree, 8-10 m high; Leaves arranged in whorls of 3-4, oblong or oblong-obovate, 10–30 × 5–10 cm, thinly coriaceous, base acute or obtuse, apex obtusely acuminate, surface pubescent above; Inflorescence panicles or clustered cymes, 4-12 cm long; Flowers small, white or cream-coloured, pedicel very short, stout, 2-3 mm long; Calyx ovate, 1-2 mm long, often reflexed, surface hairy to glabrous inside, tomentose outside; Corolla lobes ovate to orbicular, 1.5-3 mm long, surface pubescent on both sides, tube 3-4 mm long; Stamens inserted at the throat of the corolla tube; Ovary glabrous, stigma entire at the apex; Fruit follicles, linear, 45-60 cm long; Seeds brown, acuminate at the apex, surface hairy, with marginal cilia.
  • Flower, Fruit : February-April
  • Distribution :
    • Andaman and Nicobar Islands : South Andaman
  • Native : Andaman Islands, Australia, Bismarck Archipelago, India, Jawa, Lesser Sunda Islands, Maluku, New Guinea, Philippines, Solomon Islands, Sulawesi
  • Exotic/Native : Native
  • World Distribution : S. Andaman Islands, Malesia to N. Australia
  • Literature :
    • K. Karthigeyan, R. P. Pandey, & A. A. Mao (Eds.). (2023). Flora of Andaman and Nicobar Islands (Vol. 2). Director, Botanical Survey of India.
  • Read more :
  • Permalink : https://indiatrees-ces.iisc.ac.in/plants.php?name=Alstonia spectabilis
  • Citation : Sankara Rao, K., Deepak Kumar (2026). India Trees and Vegetation Types. Alstonia spectabilis. Downloaded on 3 October 2026.

Distribution District wise

India Distribution

World Distribution
Creative Commons License
India Trees and Vegetation Types by Herbarium JCB is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.