|
dioecious plant
dioecious plant , plant in which the male and female reproductive structures are found in different individuals, as distinct from a monoecious plant (see hermaphrodite ), in which they are found in the same individual.
...
Read more
|
|
herbaceous plant
herbaceous plant , plant whose stem is soft and green and shows little growth of wood. The term is used to distinguish such plants from woody plants. Herbaceous plants, or herbs, as they are commonly called, may be annual —that is, the plants die after a year's growth, and the plants are pr...
Read more
|
|
vegetative propagation
vegetative propagation the ability of plants to reproduce without sexual reproduction, by producing new plants from existing vegetative structures. Some plants, such as the Canada thistle and most bamboos, send out long underground stems that produce new plants, often at considerable distances from...
Read more
|
|
Carolus Linnaeus
Carolus Linnaeus , 1707-78, Swedish botanist and taxonomist, considered the founder of the binomial system of nomenclature and the originator of modern scientific classification of plants and animals. He studied botany and medicine and taught both at Uppsala. In Systema naturae (1735) he present...
Read more
|
|
epiphyte
epiphyte or air plant, any plant that does not normally root in the soil but grows upon another living plant while remaining independent of it except for support (thus differing from a parasite ). An epiphyte manufactures its own food (see photosynthesis ) in the same way that other green pla...
Read more
|
|
house plants
house plants varied group of plants grown indoors and requiring no special care. They are usually grown singly in pots, but can also be grouped and planted together in dish gardens and terrariums. Some are cultivated for their flowers, such as geraniums and African violets, while others, such as ph...
Read more
|
|
|
compass plant
compass plant or rosinweed, large, coarse North American perennial herb ( Silphium laciniatum ) of the family Asteraceae ( aster family), found chiefly in open grasslands. The deeply cut leaves tend to point north and south. It has been used medicinally and is sometimes cultivated. Other plant...
Read more
|
|
tissue culture
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 nutrient medium that favors the production of roots and shoots, and is later planted normally. By using tissue culture, ...
Read more
|
|
|
herb
herb , name for any plant that is used medicinally or as a spice and for the useful product of such a plant. Herbs as condiments and seasonings are still important in culinary art; the use of medicinal herbs, however, has waned since the advent of prescription and synthetic medicines, although plant...
Read more
|
|
poisonous plant
poisonous plant any plant possessing a property injurious to man or animal. Plants may be poisonous to the touch (e.g., poison ivy, poison sumac), or orally toxic (e.g., poison hemlock, deadly amanita). Many poisonous plants are of great value medicinally, e.g., digitalis, belladonna, and aconite. ...
Read more
|
