Althaea officinalis Althaea officinalis Althaea officinalis, or marsh-mallow, is a perennial species indigenous to Europe, Western Asia, and North Africa, which is used in herbalism and as an ornamental plant. A confection made from the root since ancient Egyptian time evolved into today's marshmallow treat. The stems, which die down in the autumn, are erect , but can reach 6′6″ (2m), simple, or putting out only a few lateral branches. The leaves, shortly petioled, are roundish, ovate-cordate, long, and about 1 inch broad, entire or three to five lobed, irregularly toothed at the margin, and thick. They are soft and velvety on
Melilotus officinalis plants before seed set. Melilotus officinalis Melilotus officinalis, known as yellow sweet clover, yellow melilot, ribbed melilot and common melilot is a species of legume native to Eurasia and introduced in North America, Africa and Australia. "Melilotus officinalis" can be an annual or biennial plant, and is high at maturity. Leaves alternate on the stem and possess three leaflets. Yellow flowers bloom in spring and summer and produce fruit in pods typically containing one seed. Seeds can be viable for up to 30 years. Plants have large taproots and tend to grow in groups. Plants have a characteristic sweet odor.