Description
Small in size and with yellow flowers, their pods, and especially their small leaves, are used in herbal medicine as a laxative, to eliminate gas and relieve symptoms of hemorrhoids – as it increases peristalsis.
This scientific name encompasses Cassia angustifolia and Cassia acutifolia, formerly considered distinct species.
It has sine acids A and B, flavonoids, mucilages, essential oils, glycosides, resins and reducing sugars. For treatment, tea is used. Because it tastes bitter (despite its faint odor), the addition of ginger or cinnamon can circumvent this issue.
It is a plant originally from India and Somalia, well adapted to tropical climates, used since the time of the Crusades in Europe.
Germination Guide
🌍 North Africa to India (Sahara/Sahel to Indian Subcontinent)
Moderate
Senna alexandrina is a tropical medicinal shrub native to North Africa and the Arabian Peninsula, widely cultivated for its laxative properties. Seeds have hard coats requiring scarification.
Germination
Germination time
Expect germination in
7 – 10 days
Temperature
Min 25°C
Ideal 27°C
Max 30°C
Substrate moisture
💧 Medium
Seed Pre-treatment
-
💧
Soaking — 24 hours
Pre-soaking in warm water for 12-24 hours helps germination
-
🔨
Chemical scarification
Sulfuric acid scarification for 10-15 minutes or hot water soaking for 24 hours
-
📋
Additional notes
Hard seed coat requires scarification; no cold stratification needed
Substrate & Container
Recommended substrate
well-drained soil
Recommended container
nursery beds or containers
Growing Tips
Germination is hampered by salinity; maintain warm temperatures (77°F minimum); avoid waterlogging; sow at 1/2 inch depth with soil firmly tamped
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