Browse Reference Articles
51 to 60 of 784 articles
-
Herbal tea
An herbal tea, tisane, or ptisan is an herbal infusion not made from the leaves of the tea bush. Tisanes can be made with fresh or dried flowers, leaves, seeds or roots, generally by pouring boiling ... > more -
Poison Sumac
Poison Sumac (Toxicodendron vernix or Rhus vernix) is a woody shrub growing to 3 m tall. All parts of the plant contain a toxic resin called urushiol that causes skin and mucous membrane irritation ... > more -
Gymnosperm
Gymnosperms (Gymnospermae) are a group of seed-bearing plants with ovules borne on the edge or blade of an open sporophyll, the sporophylls usually arranged in cone-like structures. The other major ... > more -
Asteraceae
The family Asteraceae or, alternatively, family Compositae, known as the aster, daisy or sunflower family, is a taxon of dicotyledonous flowering plants. The family name is derived from the genus ... > more
Search ScienceDaily
Number of stories in archives: 138,559

