Sickle senna

Bij leaf mustard Cas sickle senna Eel white eclipta Amr common amaranth Cer field chickweed For common purslane... 

Use of stimulant laxatives, such as senna or sickle-pod senna, may reduce the gastrointestinal transit time and thus reduce the absorption of orally administered drugs (Brinker 2001 De Smet 1993). 

Senna obtusifolia (L.) H.S. Irwin Barneby SCN sickle-pod senna Syn Cassia obtusifolia L. 

Concomitant use of senna or sickle-pod senna is cautioned with antiarrhythmic drugs, thiazide diuretics, corticosteroids, licorice, and botanicals containing cardiac glycosides, as long-term use of senna or sickle-pod senna as a laxative can cause or exacerbate potassium loss (Brinker 2001 De Smet 1993 ESCOP 2003). 

---