Cyperus esculentus (also called chufa sedge, nut grass, yellow nutsedge, tiger nut sedge, or earth almond) is a crop of the sedge family native to warm-temperate to subtropical regions of the Northern Hemisphere. It can be found wild, as a weed, or as a crop. There is evidence for its cultivation ...
These plants are annual or perennial. The leaves are divided into three to ten or more obovate and top notched leaflets, arranged palmately with all the leaflets of roughly equal size. The majority of species have three leaflets; in these species, the leaves are superficially similar to those of ...
Daucus carota (common names include wild carrot, bird's nest, bishop's lace, and Queen Anne's lace) is a flowering plant in the family Apiaceae, native to temperate regions of Europe, southwest Asia and naturalised to North America and Australia. Domesticated carrots are cultivars of a ...
Ailanthus altissima is a deciduous tree in the Simaroubaceae family. It is native to both northeast and central China and Taiwan. Unlike other members of the genus Ailanthus, it is found in temperate climates rather than the tropics. The tree grows rapidly and is capable of reaching heights of 15 ...
Sumac is any one of approximately 250 species of flowering plants in the genus Rhus and related genera, in the family Anacardiaceae. Sumacs grow in subtropical and temperate regions throughout the world, especially in Africa and North America. Sumacs are shrubs and small trees that can reach a ...
St John's wort is a perennial plant with extensive, creeping rhizomes. Its stems are erect, branched in the upper section, and can grow to 1 m high. It has opposing, stalkless, narrow, oblong leaves that are 12 mm long or slightly larger. The leaves are yellow-green in color, with transparent ...
Striga, commonly known as witchweed or witches weed, is a genus of parasitic plants that occur naturally in parts of Africa, Asia, and Australia. It is in the family Orobanchaceae. Some species are serious pathogens of crop cereals, with the greatest effects being in savanna agriculture in Africa. ...
Common sorrel or garden sorrel (Rumex acetosa), often simply called sorrel, is a perennial herb that is cultivated as a garden herb or leaf vegetable (pot herb). Other names for sorrel include spinach dock and narrow-leaved dock. Sorrel is a slender plant about 60 cm high, with roots that run deep ...
