Holarrhena pubescens (PROSEA)

From PlantUse English
Jump to: navigation, search
Logo PROSEA.png
Plant Resources of South-East Asia
Introduction
List of species


Holarrhena pubescens Wallich ex G. Don


Protologue: Gen. hist. 4: 78 (1837).

Synonyms

  • Holarrhena antidysenterica (L.) Wallich ex A.DC. (1844),
  • Holarrhena malaccensis Wight (1848),
  • Holarrhena macrocarpa (Hassk.) Villar (1880).

Vernacular names

  • Holarrhena (En).
  • Ecorce de conessie (Fr)
  • Cambodia: khleng kong, tuk das khla
  • Laos: mouk nhai2
  • Thailand: mok thung (northern), mok yai (central), so-thue (Karen-Mae Hong Son)
  • Vietnam: mộc hoa trắng, hồ liên lá to.

Distribution

Tropical Africa, India, Burma (Myanmar), Indo-China, southern China (Yunnan) and Thailand.

Uses

The most important medicinal application of this species is for amoebic dysentery, for which especially the bark and occasionally also the seeds are used. The wood is used for small implements and as fuel wood, and the tree is also planted for its ornamental value.

Observations

  • A shrub to medium-sized tree up to 18 m tall, bole up to 25 cm in diameter, bark surface rough and corky, longitudinally fissured, pale to dark grey.
  • Leaves ovate to elliptical or narrowly so, 1.7-19.5 cm × 1.3-11 cm, apex acute to acuminate, with 5-25 pairs of lateral veins, papery when dry, petiole up to 12 mm long.
  • Corolla tube 9-19 mm long, the lobes 10-24(-30) mm long.
  • Fruit carpels pendulous, 20-37.5 cm × 2-9 mm.

H. pubescens is found in open places in evergreen rain forest, mixed deciduous forest, bamboo forest, scrub woodland and savanna, at 0-1500 m altitude. It is often found gregarious, on clay, laterite or sand, but also on rocky outcrops.

Selected sources

138, 149, 150, 158, 161, 202, 239, 287, 318, 330, 364, 402, 480, 675, 689, 725, 741, 904, 1035, 1109, 1110, 1111, 1113, 1128, 1227, 1277, 1287, 1348, 1349, 1352, 1380, 1478, 1538.

Authors

Wongsatit Chuakul, Noppamas Soonthornchareonnon & Promjit Saralamp