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{{stub}}[[File:Alstonia scholaris plant.JPG|thumb|right|''Doddapala'', ''Saptaparna'']]'''Alstonia scholaris''' is a medium to large stately tree, growing to about 40 metres tall with a somewhat tessellated corky grey to grey-white bark. '''Saptaparna''' consists of stem bark of Alstonia scholaris (Lin) a tall evergreen tree, It is found in the Sub-Himalayan tracts ascending to 900m from Jammu eastwards and western peninsula mostly in deciduous and evergreen forests.<ref name="AYURVEDIC PHARMACOPOEIA OF INDIA"/> 

Principal constituents of leaf, barks of stems and roots are indole alkaloids, picrinine, nareline, akuammicine, scholarine, strictamine, tetrahydroalastonine, detamine, echitenine, echitamine, ditamine, echitamidine, stigmasterol, ß-sitosterol, campesterol, flavanols, a- & ß-amyrin, lupeol, lupeol acetate and phenolic acids. Fresh leaves also contain five alkaloids, including nareline, akuammidine, picralinal, picrinine and ?-akuammigine. Stem bark contains echitamine, a glycoside of venoterpine, sterols, ß-sitosterol, triterpenes, saponins, lactones, a-amyrin acetate. Bark has also been reported to contain a blood sugar reducing agentetc.<ref name="Chemical Composition"/>

{{Leaf|Simple|Obovate; Elliptical|Foliar Shape(s) is Non-Palm FoliageLeaves are arranged in a whorl around the stem.}}<ref name="Leaf"/>

Succeeding in reasonably moist lowland tropical and subtropical areas, it Seeds are the best planting material for raising the crop. No pretreatment is found at elevations from sea level to around 900 metres generally required. <ref name="How to plant/cultivate"/>

<ref name="Chemical Composition">[http://www.mpbd.info/plants/alstonia-scholaris.php "Chemical Constituents"]</ref><ref name="Leaf">[https://florafaunaweb.nparks.gov.sg/special-pages/plant-detail.aspx?id=2705 "plant Plant morphology"]</ref><ref name="How to plant/cultivate">[http://tropicalvikaspedia.theferns.infoin/agriculture/crop-production/package-of-practices/medicinal-and-aromatic-plants/viewtropical.php?id=Alstonia+alstonia-scholaris "Cultivation details"]</ref>