Saxifrage - Encyclopedia.com
网页2018年5月18日 · saxifrage Perennial plant of the genus Saxifraga native to temperate and mountainous regions of Europe and North America. The leaves are massed at the base, and the branched clusters of small flowers are white, pink, purple, or yellow. Height: to 61cm (2ft). Family Saxifragaceae.
Tundra - Encyclopedia.com
网页2018年5月29日 · This type of plant forms rings of leaves around a central growth bud. The leaves protect the fragile bud and help to trap insulating snow in winter and dew during the dry growing season. Examples of alpine tundra plants include sorrel, saxifrage buttercup, plane leaf, tufted hair grass, alpine bluegrass, and alpine sandwort.
Saxifrage Family - Encyclopedia.com
网页Species in the saxifrage family are important components of certain natural habitats, especially in alpine and arctic tundras, where as many as 7-10 species of Saxifraga can occur in the same local habitat. Many species in the saxifrage family are grown as ornamentals in horticulture.
Mandrake - Encyclopedia.com
网页2018年5月23日 · *mandrake, or *mandragora*, or *Satan's apple*,* is the plant Atropa mandragora, a native of Southern Europe. Its mystical and magic properties date back into the mists of time, where aphrodisiac [1] and fertility qualities were accorded to
Sesame - Encyclopedia.com
网页2018年5月18日 · The sesame plant is an annual and grows best on sandy loam. The stems are round and shiny, and reach an average of 3-4 ft (90-120 cm) tall. Leaves growing near the bottom of the stem are fleshy, lance-shaped, …
Plantain - Encyclopedia.com
网页2018年5月29日 · plantain Plant with a rosette of basal leaves and spikes of tiny, greenish-white flowers; it grows in temperate regions and was used for medicinal purposes. Family Plantaginaceae; genus Plantago. The name plantain also refers to a tropical banana plant believed to be native to se Asia and now cultivated throughout the Tropics. It has fleshy ...
Medicinal Plants - Encyclopedia.com
网页2018年5月29日 · The second plant, tobacco (Nicotiana tabacum), was considered a powerful protector of medicine men and warriors, who drank infusions of the leaves, applied them to their bodies, or inhaled smoke from burned leaves. Tobacco was a common component of the hallucinogenic mixtures prepared …
Calamites Cistiiformes - Encyclopedia.com
网页2018年5月8日 · Calamites cistiiformes Jointed-stemmed calamitids were an important component of Carboniferous swampland floras.
Vascular Plants - Encyclopedia.com
网页2018年5月18日 · A green plant is about 90 percent water, but it loses much of its water through evaporation from its leaves. Because of this, plants need a steady supply of water to grow and reproduce. Much of this need for water is satisfied by the plant's root system that develops in a network spreading down and out from the stem.
Wild Oat - Encyclopedia.com
网页2018年6月27日 · The mature seed of the oat plant is used as a cereal grain. However, much of the plant is used to maintain good health and to remedy disease conditions. Before maturity oat seeds are in a liquid phase, and they are collected for use in tonics that treat nervous conditions. Wild oat is usually in this stage for two weeks during August.