William Townsend Aiton

Watercress or yellowcress (Nasturtium officinale) is a species of aquatic flowering plant in the cabbage family, Brassicaceae. Watercress is a rapidly growing perennial plant native to Eurasia. It is one of the oldest known leaf vegetables consumed by humans. Watercress and many of its relatives, such as garden cress, mustard, radish, and wasabi, are noteworthy for their piquant flavors.

Calotropis gigantea, the crown flower, is a species of Calotropis native to India, Cambodia, Vietnam, Bangladesh, Indonesia, Malaysia, Philippines,Thailand, Sri Lanka, China, Pakistan, and Nepal. It is a large shrub growing to 4 m (13 ft) tall. It has clusters of waxy flowers that are either white or lavender in colour. Each flower consists of five pointed petals and a small "crown" rising from the center which holds the stamens. The aestivation found in calotropis is valvate i.e. sepals or petals in a whorl just touch one another at the margin, without overlapping. The plant has oval, light

Matthiola is a genus of flowering plant in the mustard family Brassicaceae. It is named after Italian naturalist Pietro Andrea Mattioli (1501–1577). The genus contains about 50 species of annual, biennial and perennial herbaceous plants and subshrubs. Many are cultivated for their heavily scented, colorful flowers. The common name stock may be applied to the whole genus, more specifically to varieties and cultivars of Matthiola incana. The common names evening stock and night-scented stock are applied to varieties of Matthiola longipetala (syn. M. bicornis). The common name Virginia stock

Barbarea vulgaris, also called wintercress (usual common name), or alternatively winter rocket, rocketcress, yellow rocketcress, yellow rocket, wound rocket, herb barbara, creases, or creasy greens, is a biennial herb of the genus Barbarea, belonging to the family Brassicaceae.

Nasturtium is a genus of a small number of plant species in the family Brassicaceae (cabbage family) commonly known as watercress or yellowcress. The best known species are the edible Nasturtium officinale and Nasturtium microphyllum. Nasturtium was previously synonymised with Rorippa, but molecular evidence supports its maintenance as a distinct genus more closely related to Cardamine than to Rorippa sensu stricto. These plants are related to garden cress and mustard, noteworthy for a peppery, tangy (pungent) flavor. The name Nasturtium comes from the Latin nasus tortus, meaning "twisted

Barbarea (winter cress or yellow rocket) is a genus of about 29 species of flowering plants in the family Brassicaceae. Most are native to temperate regions of the Northern Hemisphere, with the highest species diversity in southern Europe and southwest Asia. They are small, herbaceous, biennial or perennial plants with dark green, deeply lobed leaves and yellow flowers with four petals.

Calotropis procera is a species of flowering plant in the family Apocynaceae that is native to Northern and Tropical Africa, Western Asia, South Asia and Indochina (mainland Southeast Asia). It typically reaches a height between 6 feet (1.8 m) to 8 feet (2.4 m), and rarely to as high as 15 feet (4.6 m), and grows in sunny to partly-shaded habitats such as disturbed and overgrazed lands, rangeland, roadsides, river flats and coastal dunes. Its green fruits contain a toxic milky sap that is extremely bitter and turns into a latex-like substance, which is resistant to soap. Common names for the

Matthiola incana is a species of flowering plant in the cabbage family Brassicaceae. Common names include Brompton stock, common stock, hoary stock, ten-week stock, and gilly-flower. The common name stock usually refers to this species, though it may also be applied to the whole genus Matthiola. The common name "night-scented stock" or "evening-scented stock" is applied to Matthiola longipetala. Matthiola incana is a common garden flower, available in a variety of colours, many of which are heavily scented and also used in floristry.

Lepidium campestre, the field pepperwort, field peppercress, field peppergrass, field pepperweed or field cress, is usually a biennial with some form of annual plant in the Brassicaceae or mustard family, native to Europe, but commonly found in North America as an invasive weed. The most notable characteristic of field pepperweed is the raceme of flowers which forks off of the stem. These racemes are made up of first small white flowers and later green, flat and oval seedpods each about 6 mm long and 4 mm wide. Each seedpod contains two brown, 2.5 mm long seeds. The stem of field pepperweed

Pittosporum tobira is a species of sweet-smelling flowering plant in the pittosporum family Pittosporaceae known by several common names, including Australian laurel, Japanese pittosporum, mock orange and Japanese cheesewood. It is native to Japan (south of Kanto), China, Taiwan, and Korea, but it is used throughout the world as an ornamental plant in landscaping and as cut foliage.

Ligustrum lucidum, the broad-leaf privet, Chinese privet, glossy privet, tree privet or wax-leaf privet, is a species of flowering plant in the olive family Oleaceae, native to the southern half of China and naturalized in many places. The name "Chinese privet" is also used for Ligustrum sinense. The Latin specific epithet lucidum means "bright" or "shiny", referring to the leaves.

Rosa banksiae, common names Lady Banks' rose, or just Banks' rose, is a species of flowering plant in the rose family, native to central and western China, in the provinces of Gansu, Guizhou, Henan, Hubei, Jiangsu, Sichuan and Yunnan, at altitudes of 500–2,200 m (1,600–7,200 ft). The rose is named for Dorothea Lady Banks, the wife of botanist Sir Joseph Banks.

Aethionema is a genus of flowering plants within the family Brassicaceae. They are known as stonecresses. Stonecresses originate from sunny limestone mountainsides in Europe and West Asia, especially Turkey. It is the only genus in the subfamily Aethionemoideae. Aethionema have typically perennials, but may be annuals. Their leaves are ovate or linear.

Malcolmia is a genus of flowering plants from the family Brassicaceae. It includes 11 species native to the Mediterranean basin (North Africa and southeastern Europe), Western Asia, the Transcaucasus, Central Asia, and Pakistan. Several species are cultivated for their flowers, including Virginia stock (Malcolmia maritima).

Teesdalia is a genus in the plant family Brassicaceae. They are herbaceous plants native mostly to Europe and to the Mediterranean region. Shepherdscress is a common name for these plants.

Gomphocarpus fruticosus (swan plant; narrow-leaved cotton bush) is a species of plant native to South Africa. It is also common in Australia and New Zealand where it is a host of the monarch butterfly. The plant's tissues contain sufficient cardenolides that consumption of significant quantities of the plant's leaves, stems, or fruit may lead to death in livestock and humans. The plant, also referred to as Narrow leaf cotton bush, has officially been declared a pest in Western Australia. The species is closely related to Gomphocarpus physocarpus.

Teesdalia nudicaulis, or the common shepherd's-cress, is a species of flowering plant in the family Brassicaceae. It is native to Madeira, Morocco, and nearly all of Europe, but has gone locally extinct in Switzerland and Hungary. Additionally, it has been introduced to the east and west coasts of the United States and to southern Chile. An annual, it is found in meadows, fields, and roadsides, typically in anthropogenically disturbed soils.

Rhynchospora fusca (vernacular name: brown beaksedge or brown beak-sedge) is a species of sedge belonging to the family Cyperaceae. The native range of R. fusca is Europe, Central and Eastern Canada to Northern Central and Eastern USA. It grows to approximately 20 inches (0.51 m) tall, with brown spikelets that bloom from June through November.

Matthiola sinuata, commonly known as sea stock, is a coastal plant in the family Brassicaceae. A short-lived (biennial) herbaceous plant, growing to 60 cm in height. It does not spread vegetatively. It grows on the shore, on new sand dunes. In continental Europe it is not rare, but it is seldom seen in the British Isles, where it is extinct in Scotland and probably Ireland. In 2001 its conservation status was assessed by the IUCN as 'vulnerable'. The genus Matthiola takes its name from Italian physician and naturalist, Pierandrea Mattioli. The species epithet sinuata is Latin for 'sinuous'

Flemingia is a genus of plants in the family Fabaceae. It is native sub-Saharan Africa, Yemen, tropical Asia, and Australasia. In Asia the species are distributed in Bhutan, Burma, China, India; Indonesia, Laos, Malaysia, Nepal, Pakistan, Papua New Guinea, Philippines, Sri Lanka, Taiwan, Thailand and Vietnam. The genus was erected in 1812.

Euclidium is a genus of flowering plants in the family Brassicaceae. It includes a single species, Euclidium syriacum, a white-flowered annual herb native to Eurasia. It ranges from southeastern Europe to Ukraine and European Russia, the Caucasus, western and Central Asia, the western Himalayas, Xinjiang, and Mongolia.

Aethionema saxatile, the burnt candytuft, is a species of flowering plant in the family Brassicaceae. It is found in the European Alps.

Petrocallis is a genus of flowering plants belonging to the family Brassicaceae. It includes a single species, Petrocallis pyrenaica, a subshrub native to subalpine regions in the Pyrenees, Alps, and Carpathian mountains of southern and east-central Europe.

Flemingia strobilifera, commonly known as the luck plant or wild hops, is a perennial flowering plant in the legume family, Fabaceae, and subfamily Faboideae. It is native to South, East and Southeast Asia.

Macropodium is a genus of flowering plants belonging to the family Brassicaceae. Its native range is Central Asia to Russian Far East and Mongolia.

Echium nervosum is a species of flowering plants of the family Boraginaceae. It is endemic to Madeira. The specific name nervosum is from Latin and means "veined".

Sisyrinchium californicum is a species of flowering plant in the iris family known by the common names golden blue-eyed grass, yellow-eyed-grass, and golden-eyed-grass. It is native to the west coast of North America from British Columbia to central California, where it grows in moist habitat, often in coastal areas.

Nuphar advena (spatterdock or cow lily or yellow pond-lily) is a species of Nuphar native throughout the eastern United States and in some parts of Canada, as well as Mexico and Cuba. It is locally naturalized in Britain.

Matthiola tricuspidata, the three-horned stock, is a widespread species of flowering plant in the family Brassicaceae, native to the shores of the Mediterranean. A halophyte, it is found in coastal stable dune grassland and coastal dune scrub, but not on shifting coastal dunes.

Malcolmia maritima, also known by its common name Virginia stock, is a popular annual garden plant from the family Brassicaceae. A beautiful and profusely flowering annual, it is probably one of the easiest of all plants to grow. Growing to about 6–12 inches (15–30 centimetres) tall, it makes a mass of pink, purple and white fragrant four petalled (cruciform) flowers. It is native in Greece and Albania and may be naturalized elsewhere in Mediterranean Europe where it occurs in maritime sandy habitats and in waste places.