Picramnia antidesma. P. pentandra, P. parvifolia, P. sellowi  Cascara amarga, West Indian Snakewood = P. antidesma, Bitter bush = P. pendandra   Family: Simaroubaceae        
PART USED: Bark- Occurs as small fragments about 2-3 mm thick. Grey externally, deep brown and smooth internally.
TASTE: Astringent, then bitter and earthy.
ACTIONS
1. Bitter tonic.[1]
2. Alterative.[1]
3. Laxative.[1]
PREPARATIONS:
Bark: Occurs as small fragments about 2-3 mm thick. Grey externally, deep brown and smooth internally.
Fluid Extract  1-2 ml.[1]

ORIGIN: West Indies and Central America.
References
Inner Path can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Constituents
P. parvifolia- Anthraquinone derivatives based on chrysophanol, emodin, physcion and aloe-emodin.[1]
P. sellowi- Anthraquinones based on chrysophanol, emodin and physcion.[2] Triterpenes; betulinic acid and epibetulinic acid.[2] Benzoic acid.[2]
P. pentandra- Triterpenes.[3]
References