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tissue culture

(Encyclopedia) tissue culture, the propagation of plants through the placement of small amounts of undifferentiated tissue or single cells in an artificial environment. The tissue is placed in a…

New Zealand spinach

(Encyclopedia) New Zealand spinach, succulent annual (Tetragonia expansa) of Australia, New Zealand, Japan, and S South America, grown for the edible leaves. The plant grows prostrate, often…

liana

(Encyclopedia) lianalianalēäˈnə [key] or lianelianelēänˈ [key], name for any climbing plant that roots in the ground. The term is most often used for the woody vines that form a characteristic part…

thyme

(Encyclopedia) thymethymetīm [key], any species of the genus Thymus, aromatic herbs or shrubby plants of the family Labiatae (mint family). The common thyme, which is used as a seasoning herb and…

senna

(Encyclopedia) senna, any plant of the genus Sennia (formerly placed in Cassia), leguminous herbs, shrubs, and trees of the family Leguminosae (pulse family), most common in warm regions. Some…

corn

(Encyclopedia) corn, in botany. The name corn is given to the leading cereal crop of any major region. In England corn means wheat; in Scotland and Ireland, oats. The grain called corn in the United…

furze

(Encyclopedia) furze, any plant of the genus Ulex of the family Leguminosae (pulse family), low, densely branched shrubs with spiny leaves (when present) and fragrant yellow blossoms. U. europaeus,…

Hales, Stephen

(Encyclopedia) Hales, Stephen, 1677–1761, English physiologist and clergyman. From 1709 he was perpetual curate of Teddington. His experimental studies in animal and plant physiology contributed…

horticulture

(Encyclopedia) horticulture [Lat. hortus=garden], science and art of gardening and of cultivating fruits, vegetables, flowers, and ornamental plants. Horticulture generally refers to small-scale…