Kids Encyclopedia

Torreya — Torreya is a genus of conifers comprising five or six species, treated in either the Cephalotaxaceae, or in the Taxaceae when that family is considered in a broad sense. Four are native to eastern Asia, the other two native to North America. They are small to medium sized evergreen trees reaching 5-20 m, rarely 25 m, tall. The …

Tomato — The tomato (Solanum lycopersicum) is a plant in the Solanaceae or nightshade family, as are its close cousins tobacco, chili peppers, potato, and eggplant. The tomato is native to Central, South, and southern North America from Mexico to Peru. It is a perennial, often grown outdoors in temperate climates as an annual, typically reaching to 1–3 m (3 …

Toadflax — Toadflax or Linaria is a genus of about 100 species of herbaceous annuals and perennials that was traditionally placed in the foxglove family Scrophulariaceae. Due to new genetic research, it has now been placed in the vastly expanded family Plantaginaceae. The genus is native to temperate regions of Europe, northern Africa and Asia, with the highest species diversity …

Thyme — Thyme (Thymus) is a genus of about 350 species of aromatic perennial herbaceous plants and sub-shrubs to 40 cm tall, in the family Lamiaceae and native to Europe, North Africa and Asia. A number of species have different chemotypes. The stems tend to be narrow or even wiry; the leaves are evergreen in most species, arranged in opposite …

Teasel — Teasel or Dipsacus is a genus of flowering plant in the family Dipsacaceae. The members of this genus are known as teasel or teazel or teazle. The genus includes about 15 species of tall herbaceous biennial plants (rarely short-lived perennial plants) growing to 1-2.5 m tall, native to Europe, Asia and northern Africa. The genus name is derived …

Tea — Tea is an infusion made by steeping processed leaves, buds, or twigs of the tea bush, Camellia sinensis, in hot water for a few minutes. The processing can include oxidation, heating, drying, and the addition of other herbs, flowers, spices, and fruits. The four basic types of true tea are black tea, oolong tea, green tea, and white …

Tarragon — Tarragon or dragon’s-wort (Artemisia dracunculus L.) is a perennial herb in the family Asteraceae related to wormwood. Corresponding to its species name, a common term for the plant is “dragon herb.” It is native to a wide area of the Northern Hemisphere from easternmost Europe across central and eastern Asia to western North America, and south to northern …

Taro — Taro (from Tahitian or other Polynesian languages), more rarely kalo (from Hawaiian), is a tropical plant grown primarily as a vegetable food for its edible corm, and secondarily as a leaf vegetable. It is believed to be one of the earliest cultivated plants. Taro is closely related to Xanthosoma and Caladium, plants commonly grown as ornamentals, and like …

Tansy — Tansy (Tanacetum vulgare) is a perennial herbaceous flowering plant of the aster family that is native to temperate Europe and Asia. It has been introduced to other parts of the world and in some cases has become invasive. It is also known as Common Tansy, Bitter Buttons, Cow Bitter, Mugwort, or Golden Buttons. Tansy is a flowering herb …

Tangerine — The tangerine (Citrus reticulata) is an orange or red colored citrus fruit. They are smaller than most oranges, and the skin of some varieties peels off more easily. The taste is often less sour, or tart, than that of an orange. Good quality tangerines will be firm to slightly hard, heavy for their size, and pebbly-skinned with no …