Sweet Pea — Sweet Pea (Lathyrus odoratus) is a flowering plant in the genus Lathyrus in the family Fabaceae (legumes), native to the eastern Mediterranean region from Sicily east to Crete. It is an annual climbing plant, growing to a height of 1-2 m where suitable support is available. The leaves are pinnate with two leaflets and a terminal tendril, …

Sweet Gum — Sweetgum (Liquidambar) is a genus of four species of flowering plants in the family Altingiaceae, though formerly often treated in the Hamamelidaceae. They are all large, deciduous trees, 25-40 m tall, with palmately lobed leaves arranged spirally on the stems. The flowers are small, produced in a dense globular inflorescence 1-2 cm diameter, pendulous on a 3-7 …

Sternbergia — Sternbergia lutea (Autumn Daffodil, Fall daffodil, Lily-of-the-field, Winter daffodil, Yellow Autumn crocus) is a flowering plant in the family Amaryllidaceae, which is used as an ornamental plant. The winter daffodil, or lily-of-the-field, Sternbergia lutea, mentioned in the Bible, produces waxen, golden yellow flowers in autumn and grows in dry rocky areas.

Squill — Scilla (squill) is a genus of bulb-forming perennial herbs in the Hyacinthaceae. The 90-odd species are found in woodlands, subalpine meadows, and seashores across the Old World. Their flowers are usually blue, but white, pink, and purple types are known; most flower in early spring, but a few are autumn-flowering. Several African species previously classified in Scilla have …

Squash — Squashes generally refer to four species of the genus Cucurbita native to the New World, also called marrows depending on variety or the nationality of the speaker. In North America, squash is loosely grouped into summer squash or winter squash, as well as autumn squash (another name is cheese squash) depending on whether they are harvested as immature …

Spruce — Spruce refers to trees of the genus Picea, a genus of about 35 species of coniferous evergreen trees in the Family Pinaceae, found in the northern temperate and boreal (taiga) regions of the earth. Spruces are large trees, from 20–60 (–95) m tall when mature, and can be distinguished by their whorled branches and conical form. The needles, …

Spindle Tree — The spindles, genus Euonymus, comprise about 170-180 species of deciduous and evergreen shrubs and small trees. They live mostly in East Asia, including the Himalayas, and they also have a distribution in Europe, Asia, Australasia, North America and Madagascar. The flowers are situated in small groups, inconspicuous and of green or yellow shades. The leaves are opposite …

Spearmint — Mentha spicata (Spear Mint or Spearmint; syn. K. burkhardtis) is a species of mint probably native to much of Europe and southwest Asia, though its exact natural range is uncertain due to extensive early cultivation. It grows in wet soils. It is a herbaceous rhizomatous perennial plant growing 30–100 cm tall, with variably hairless to hairy stems and …

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, …