Botanical description
A low-growing, spreading annual with fleshy, paddle-shaped leaves up to 2.5 cm long arranged alternately or in clusters along reddish, succulent stems. Small yellow flowers with five petals open briefly in morning sun, followed by tiny seed capsules. The entire plant has a mucilaginous texture and mild, slightly tart flavor reminiscent of spinach.
Pharmacognosy intro
Purslane contains the highest omega-3 fatty acid (alpha-linolenic acid) content of any leafy green vegetable; beta-carotene and other carotenoids; vitamins C and E; glutathione; the betalain pigments portulacaxanthin and betanidin; and two unusual alkaloids — oleraceins A and E. The mucilage is rich in polysaccharides. It also contains noradrenaline (norepinephrine) in small amounts.
Editorial orientation