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Home » Plant infomation

Ervatamia coronaria  Stapf.


Botanical Name


Ervatamia coronaria Stapf.

English Name


East Indian Rosebay



Tabernaemontana coronaria, Tabernaemontana divaricata G. Don., Nerium divaricatum Linn.





General Info


It is an evergreen, glabrous and dichotomously branched and about 2 to 3 cm high shrub. Leaves are glossy, rather coriaceous, glaucous, green above and pale below, elliptic-lanceolate or oblanceolate and acuminate or caudate. Flowers are white, often double and fragrant in few-flowered cymes. Calyx-lobes are broadly ovate, acute or rounded. Corolla lobes are obliquely ovate and obtuse and their margins are curled; corolla tube is swollen below the middle. The anthers are acuminate and are inserted below the middle of the tube. Ovary is glabrous. The fruits are rarely occurred and recurved follicles and about 2.5 to 5.0 cm long, if present. Seeds are 3 to 6, oblong and striated and are embedded in red pulpy aril.

Herb Effects

Acrid, bitter and anodyne (root); anthelmintic (root bark); wood (refrigerant).


Active Ingredients

Ervatamine, Voacristine, Apparicine, 19,20-dihydroervahanine A, coronaridine, heyneanine, voacristine, voacamine, descarbomethoxyvoacamine, phenolic acids: vanillic, gentisic, syringic, 4-hydroxybenzoic dan salicylic acid

Chemistry of Active Ingredients
Product Categories






Product Categories
Ervatamine 33257-13-5 Not Available C21H26N2O3 Click Here To Enlarge
Voacristine 545-84-6 Not Available C22H28N2O4 Click Here To Enlarge
Apparicine 3463-93-2 Not Available C18H20N2 Click Here To Enlarge
Coronaridine 467-77-6 Not Available C21H26N2O2 Click Here To Enlarge
Voacamine 3371-85-5 Not Available C43H52N4O5 Click Here To Enlarge
Vanillic acid Not Available 4-hydroxy-3-methoxy-
benzoic acid
C8H8O4 Click Here To Enlarge
Gentisic acid 4955-90-2 2,5-dihydroxybenzoic
C7H6O4 Click Here To Enlarge
Syringic acid 64887-60-1 4-hydroxy-3,5-dimeth
oxy-benzoic acid
C9H10O5 Click Here To Enlarge


Medicinal Use

Roots are chewed for relief in toothache, to prevent inflammation and in the diseases of eyes (leaf juice); the juice of its flowers mixed with oil is used to alleviate burning sensation; also to cure eyesores and skin diseases.



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