Helicia attenuata (Jack) Blume

 
  • Family : PROTEACEAE
    (Protea Family)
  • Family (Hindi name) : SILVER OAK FAMILY (सिल्वर ओक फैमिली)
  • Family (as per The APG System IV) : Proteaceae
  • Synonym(s) : Roupala attenuata Jack; Helicia bennettiana Miq.; Helicia oblongifolia Benn.; Helicia oblongifolia Miq.; Helicia obovata Benn.; Helicia obovata Meisn.; Helicia suffruticosa Ridl.; Helicia sumatrana Miq.; Roupala moluccana Roxb.; Roupala racemosa Roxb. ex Meisn.
  • Species Name (as per The IPNI) : Helicia attenuata (Jack) Blume
  • Habit : Shrub or Tree
  • Key identification features : Shrub, 1-5m tall or small tree, sometimes reaches 20m tall, branchlets glabrous; Leaves obovate or elliptic-oblong, 13–25 cm long × 6–8.8 cm wide, surface glabrous, margin entire or shortly serrate towards the upper part, apex acute or obtuse, base attenuate, decurrent into the petiole, texture chartaceous to subcoriaceous, petiole 0.4-1cm long; Inflorescence raceme, solitary, axillary or ramiflorous, surface glabrous or nearly so, 12-30cm long; Flowers mostly in pairs, pedicel connate up to one-third of their length, glabrous or nearly so, 4-6mm long; Perianth whitish or yellow, glabrous, 1.8-2.8cm long, disc glands subtruncate, almost completely fused into a crenulate ring, ovary narrowly ovoid, glabrous; Fruit broadly ellipsoid or ovoid, slightly oblique, apex shortly apiculate, base attenuate or contracted into a short stipe, ribs usually 6, more or less distinct, obtuse longitudinal ribs, bluish-green when young, turns purplish-black when mature, 3–5 cm long × 2–3 cm wide.
  • Distribution :
    • Meghalaya : Meghalaya
  • Native : Borneo, Jawa, Lesser Sunda Islands, Malaya, Sumatera, Thailand
  • Exotic/Native : Exotic
  • World Distribution : Peninsula Thailand to W. Malesia
  • Literature :
    • Dash, S. S., & Mao, A. A. (Eds.). (2018). Flowering Plants of India: An Annotated Checklist-Dicotyledons Volume II. Director, Botanical Survey of India.
  • Read more :
  • Permalink : https://indiatrees-ces.iisc.ac.in/plants.php?name=Helicia attenuata
  • Citation : Sankara Rao, K., Deepak Kumar (2026). India Trees and Vegetation Types. Helicia attenuata. Downloaded on 3 October 2026.

Distribution District wise

India Distribution

World Distribution
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