English True Mangrove.
Siddha/Tamil Peykkandal, Kandal, Sorapinnai.
Folk Kamo (Bengal), Kandal (Maharashtra).
Action Bark—astringent. Used in the treatment of haemorrhages, haematuria.
The leaves contain 9.1, unripe fruits
12.0, ripe fruits 4.2, twig bark 9—12, and
wood 7-14% tannins.
The leaves gave campesterol, choles terol 28-isofucosterol, beta- sitosterol,
R) stigmasterol and stigmast-7-en-3 beta ol The plant gave alpha-and betaamyrins, betulin, lupeol, oleanolic and ursolic acids; gibberellins have also been reported.
Honey collected from the flowers is reported to be poisonous.
R. apiculata Blume, also known as Kandal, is found mixed up with R. mucronata in the tidal marshes of India and the Andamans.
Rhododendron anthopogon D. Don.
Habitat The alpine Himalayas from Himachal Pradesh to Bhutan, from 3,000 to 5,000 m.
Folk Taalisri (Punjab), Taalish (Tibet), Tazaktsum, Taalis-faz (Kashmir).
Action Leaves—stimulant. The plant yields an incense. The leaves of R. anthopogon get mixed up with those of Abies webbiana (used for respiratory diseases).
The leaves contain quercetin, myricetin, taxifolin, kaempferol derivatives, ursolic acid and its acetate, epifriedinol, beta-sitosterol, betulinic acid and rutin.
The leaves of R. lepidotum Wall. ex
G. Don, known as Taalisfur in Pun- jab; and R. setosum D. Don, known as Tsalluo in Bhutan, possess properties similar to those of R. anthopogon.
Rhododendron arboreum Sm.
Synonym R. pun iceum Roxb. Family Ericaceae.
Habitat The temperate Himalayas from Kashmir to Bhutan, the Nilgiris, Khasi Hills and Travancore.
English Tree-Rhododendron, Rose-Tree.
Folk Burans (Kumaon), Kurbak, Pullaas.
Action Leaf—anticephalalgic (applied to the forehead). Leaf and stem-bark—spasmolytic. Flowers— used in diarrhoea and dysentery.
The green leaves contain a glucoside, ericolin. The extracts of leaves,
Family Ericaceae.