Spinach — Spinach (Spinacia oleracea) is a flowering plant in the family of Amaranthaceae. It is native to central and southwestern Asia. It is an annual plant (rarely biennial), which grows to a height of up to 30 cm. Spinach may survive over winter in temperate regions. The leaves are alternate, simple, ovate to triangular-based, very variable in size from …

Sourwood — Sourwood or Sorrel Tree (Oxydendrum arboreum) is the sole species in the genus Oxydendrum DC, in the family Ericaceae. It is native to eastern North America, from southern Pennsylvania south to northwest Florida and west to southern Illinois; it is most common in the lower chain of the Appalachian Mountains. Sourwood is a small tree or large shrub, …

Sorrel — Common sorrel, also known as spinach duck and either ambada bhaji or gongoora in Indian cuisine, is a perennial herb that is cultivated as a leaf vegetable. Sorrel is a slender plant about 60 cm high, with roots that run deep into the ground, as well as juicy stems and edible, oblong leaves. The lower leaves are 7 …

Sorghum — Sorghum is a genus of numerous species of grasses, some of which are raised for grain and many of which are used as fodder plants either cultivated or as part of pasture. The plants are cultivated in warmer climates worldwide. Species are native to tropical and subtropical regions of all continents in addition to Oceania and Australasia. Numerous …

Snapdragon — Antirrhinum is a genus of plants more commonly known as snapdragons from the flowers’ fancied resemblance to the face of a dragon that opens and closes its mouth when properly squeezed (thus the ‘snap’). The antirrhinums used to be treated as the family Scrophulariaceae, but studies of DNA sequences have led to the inclusion of Antirrhinum in a …

Senna — Senna (from Arabic sanâ), the sennas, is a large genus of around 250 species of flowering plants in the family Fabaceae, subfamily Caesalpinioideae. This diverse genus is native throughout the tropics, with a small number of species reaching into temperate regions. Almost all species were at one time or another placed in Cassia, a close relative which until …

Scallion — A scallion, also commonly known as spring onion or green onion, is associated with various members of the genus Allium that lack a fully-developed bulb. They tend to be milder tasting than other onions and are typically steamed and set in salads in western cookery and cooked in many Asian recipes. Diced scallions are often used in soup, …

Sassafras — Sassafras is a genus of four species of deciduous trees in the family Lauraceae, native to eastern North America and eastern Asia. Sassafras trees grow from 15–35 m (50–120 feet ) tall and 70–150 cm (2.5–6 feet) in diameter, with many slender branches, and smooth, orange-brown bark. The branching is sympodial. The bark of the mature trunk is …

Sagebrush — Sagebrush (Artemisia tridentata, Big Sagebrush, Common Sagebrush, Blue Sagebrush, or Black Sagebrush) is a shrub or small tree from the family Asteraceae. Some botanists treat it in the segregate genus Seriphidium, as S. tridentatum (Nutt.) W. A. Weber, but this is not widely followed. The name “sagebrush” is also used for several related members of the genus Artemisia, …

Shamrock — The shamrock, a symbol of Ireland and a registered trademark of the Republic of Ireland, is a three-leafed old white clover, sometimes (rarely nowadays) Trifolium repens (white clover, known in Irish as seamair bhán) but more usually today Trifolium dubium (lesser clover, Irish: seamair bhuí). The diminutive version of the Irish word for “clover” (“seamair”) is “seamaróg”, which …