Tulip — Tulip (Tulipa) is a genus of about 100 species of flowering plants in the family Liliaceae. Its region includes southern Europe, north Africa, and Asia from Anatolia and Iran in the east to northeast of China. The centre of diversity of the genus is in the Pamir and Hindu Kush mountains and the steppes of Kazakhstan. They are …

Tuberose — The tuberose (Polianthes tuberosa) is a perennial plant of the agave family Agavaceae, extracts of which are used as a top note in perfumery. The common name derives from the Latin tuberosa, meaning swollen or tuberous in reference to its root system. It consists of about 12 species. The tuberose is a night-blooming plant thought to be native …

Toadflax — 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 in the …

Teasel — 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 from the …

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 …

Rose, Miniature — All of the classes of Old Garden Roses — gallicas, centifolias, etc. — had corresponding miniature forms, although these were once-flowering just as their larger forms were. As with the standard-sized varieties, miniature Old Garden roses were crossed with repeat-blooming Asian species to produce everblooming miniature roses. Today, miniature roses are represented by twiggy, repeat-flowering shrubs ranging …

Saffron — Saffron (Saffron Crocus), the common name for Crocus sativus of the IRIS family, Iridaceae, is a perennial fall-flowering plant. Its stigmas are a source of a yellow dye and a food flavoring. Native to Anatolia, saffron provided both a perfume and a yellow dye for the ancient world. Used today as a spice, it imparts a slightly bitter …

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, …

Sternbergia — Sternbergia is a genus in Amaryllidaceae of around 10 species that show a broad distribution throughout Mediterranean Europe and Asia, and was first described by Clusius in 1601 as Narcissus, before being redescribed by Linnaeus as Amaryllis in 1753. The plant referred to by both these descriptions is now recognised as being Sternbergia lutea, which was described by …

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 …