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Scientific name	Name	Description	Picture
Salix alba	White willow	Plant source of salicylic acid, white willow is like the chemical known as aspirin, although more likely to cause stomach upset as a side effect than aspirin itself which can cause the lining in your stomach to be destroyed. Used from ancient times for the same uses as aspirin.
Salvia officinalis	Sage	Shown to improve cognitive function in patients with mild to moderate Alzheimer's disease
Sambucus nigra	Elderberry	The berries and leaves have traditionally been used to treat pain, swelling, infections, coughs, and skin conditions and, more recently, flu, common cold, fevers, constipation, and sinus infections.
Santalum album	Indian sandalwood	Sandalwood oil has been widely used in folk medicine for treatment of common colds, bronchitis, skin disorders, heart ailments, general weakness, fever, infection of the urinary tract, inflammation of the mouth and pharynx, liver and gallbladder complaints and other maladies.
Santolina chamaecyparissus	Cotton lavender	Most commonly, the flowers and leaves are made into a decoction used to expel intestinal parasites.
Saraca indica	Ashoka tree	The plant is used in Ayurvedic traditions to treat gynecological disorders. The bark is also used to combat oedema or swelling.
Satureja hortensis	Summer savory	Its extracts show antibacterial and antifungal effects on several species including some of the antibiotic resistant strains.
Sceletium tortuosum	Kanna	African treatment for depression. Suggested to be an SSRI or have similar effects, but unknown mechanism of activity.
Senna auriculata	Avaram senna	The root is used in decoctions against fevers, diabetes, diseases of urinary system and constipation. The leaves have laxative properties. The dried flowers and flower buds are used as a substitute for tea in case of diabetes patients. The powdered seed is also applied to the eye, in case of chronic purulent conjunctivitis.
Sesuvium portulacastrum	Shoreline purslane	The plant extract showed antibacterial and anticandidal activities and moderate antifungal activity.
Silybum marianum	Milk thistle	It has been used for thousands of years for a variety of medicinal purposes, in particular liver problems.
Stachytarpheta cayennensis	Blue snakeweed	Extracts of the plant are used to ease the symptoms of malaria. The boiled juice or a tea made from the leaves or the whole plant is taken to relieve fever and other symptoms. It is also used for dysentery, pain, and liver disorders. A tea of the leaves is taken to help control diabetes in Peru and other areas. Laboratory tests indicate that the plant has anti-inflammatory properties.
Stellaria media	Common chickweed	It has been used as a remedy to treat itchy skin conditions and pulmonary diseases. 17th century herbalist John Gerard recommended it as a remedy for mange. Modern herbalists prescribe it for iron-deficiency anemia (for its high iron content), as well as for skin diseases, bronchitis, rheumatic pains, arthritis and period pain.
Strobilanthes callosus	Karvy	The plant is anti-inflammatory, antimicrobial, and anti-rheumatic.
Symphytum officinale	Comfrey	It has been used as a vulnerary and to reduce inflammation. It was also used internally in the past, for stomach and other ailments, but its toxicity has led a number of other countries, including Canada, Brazil, Australia, and the United Kingdom, to severely restrict or ban the use of comfrey.
Syzygium aromaticum	Clove	The plant is used for upset stomach and as an expectorant, among other purposes. The oil is used topically to treat toothache.