Astragalus (Astragalus membranaceus): adaptogenic tonic from Traditional Chinese Medicine, immune uses, decoction preparation, and contraindications.

Senna (Senna alexandrina): traditional laxative for occasional constipation; see preparation, dosages, sennosides, and pregnancy contraindications.

Yellow sweet clover (Melilotus officinalis): taxonomy, morphology, habitat, phenology, coumarin chemistry, history and conservation in one full profile.

Complete botanical profile of red clover (Trifolium pratense): taxonomy, morphology, habitat, cultivation, phenology, phytochemistry, history and conservation.

Discover the therapeutic properties of logwood (Haematoxylum campechianum). Complete guide on hematoxylin, traditional uses, and contraindications.