Euphorbia is a very large and diverse genus of flowering plants, commonly called spurge, in the family Euphorbiaceae.
Euphorbia mellifera, the Canary spurge or honey spurge, is a species of flowering plant in the spurge family Euphorbiaceae, native to Madeira and the Canary Islands. It is an evergreen shrub or tree growing to 2.5 m (8.2 ft) tall and broad, with narrow leaves up to 20 cm (8 in) long. In spring it produces brown, honey-scented flowers.
Materia medica is a Latin term from the history of pharmacy for the body of collected knowledge about the therapeutic properties of any substance used for healing. The term derives from the title of a work by the Ancient Greek physician Pedanius Dioscorides in the 1st century AD, De materia medica, 'On medical material'.
Weed control is a type of pest control, which attempts to stop or reduce growth of weeds, especially noxious weeds, with the aim of reducing their competition with desired flora and fauna including domesticated plants and livestock, and in natural settings preventing non native species competing with native species.
Lavandula stoechas, the Spanish lavender or topped lavender (U.S.) or French lavender (U.K.), is a species of lavender native to the Mediterranean Basin.
Euphorbia cyparissias, the cypress spurge, is a species of plant in the genus Euphorbia. It is native to Europe and was introduced to North America in the 1860s as an ornamental plant.
Euphorbia amygdaloides, the wood spurge, is a species of flowering plant in the family Euphorbiaceae, native to woodland locations in Europe, Turkey and the Caucasus. It is a bushy evergreen perennial, growing to a height of 80 cm (31 in), with dark green slightly hairy leaves about 6 cm (2 in) long. The complex green-yellow inflorescence (cyathium), typical of Euphorbia, appears in late spring and early summer.
A noxious weed, harmful weed or injurious weed is a weed that has been designated by an agricultural or other governing authority as a plant that is harmful to agricultural or horticultural crops, natural habitats or ecosystems, or humans or livestock. Most noxious weeds have been introduced into an ecosystem by ignorance, mismanagement, or accident. Some noxious weeds are native. Typically they are plants that grow aggressively, multiply quickly without natural controls, and display adverse effects through contact or ingestion. Noxious weeds are a large problem in many parts of the world, greatly affecting areas of agriculture, forest management, nature reserves, parks and other open space.
Euphorbia margalidiana is a species of flowering plant in the spurge family Euphorbiaceae, endemic to the Balearic Islands, where its natural habitats are Mediterranean Matorral shrubland vegetation and rocky shores. An evergreen perennial or subshrub growing to 1.2 m (3.9 ft) tall and broad, It bears yellow-green flowers over a long period in the summer. It is particularly valued in cultivation for its tolerance of a wide range of conditions, including drought. Though hardy down to −10 °C (14 °F) it grows best in mild areas.
Aphthona abdominalis is a species of leaf beetle known as the minute spurge flea beetle. It was used as an agent of biological pest control against the noxious weed leafy spurge, but never established a viable population.
Aphthona cyparissiae is a species of leaf beetle known as the brown dot leafy spurge flea beetle. It is used as an agent of biological pest control against the noxious weed leafy spurge.
Euphorbia epithymoides, the cushion spurge, syn. E. polychroma, is a species of deciduous flowering plant in the family Euphorbiaceae, native to Libya, Turkey and East, Middle, and Southeast Europe. It is a compact, clump-forming, herbaceous perennial growing to 45 cm (18 in), bearing terminal cymes of acid yellow flower-heads (cyathia) in spring and summer.The cultivar 'Major' has gained the Royal Horticultural Society's Award of Garden Merit.
Euphorbia palustris, the marsh spurge or marsh euphorbia, is a species of flowering plant in the family Euphorbiaceae, native to marshland throughout much of mainland Europe and western Asia. It is an herbaceous perennial growing to 90 cm (35 in) tall and wide, with narrow leaves turning red and yellow in autumn, and persistent, bright acid yellow flower-heads (cyathia), 15 cm (6 in) across, in spring.
Euphorbia rigida, the gopher spurge or upright myrtle spurge, is a species of flowering plant in the spurge family Euphorbiaceae, native to southern Europe and southwest Asia. Growing to 50 cm (20 in) tall and broad, it is a bushy evergreen perennial with somewhat fleshy leaves arranged in a spiral, bearing bunches of bright yellow flowers in late Spring.
Euphorbia characias, the Mediterranean spurge or Albanian spurge, is a species of flowering plant in the family Euphorbiaceae typical of the Mediterranean vegetation. It is an upright, compact evergreen shrub growing to 1.2 m tall and wide.
Euphorbia cornigera is a species of flowering plant in the Euphorbiaceae family. It is referred to by the common name horned spurge and is native to Bhutan. It is a rhizomatous herbaceous perennial growing to 75 cm (30 in) tall, rarely 1 m, with narrow green leaves with a pale green spine. Acid yellow flowerheads (cyathia) are borne in summer.
Euphorbia ceratocarpa is a species of flowering plant in the spurge family Euphorbiaceae, native to the Island of Sicily and southern Italy. Growing to 1.7 m (5.6 ft) tall and wide, it is an evergreen perennial or subshrub bearing long, narrow leaves with a prominent white midrib, and clusters of green and yellow flowers in summer. The flowering period may be extended in favourable locations. It is valued in cultivation for its vivid flowers, and its ability to survive drought conditions. Though hardy down to −10 °C (14 °F) it is seen at its best in a warm, sheltered position. It has gained the Royal Horticultural Society's Award of Garden Merit.
Euphorbia schillingii, or Schilling spurge, is a species of flowering plant in the spurge family Euphorbiaceae, native to Nepal. Growing to 1 m (3.3 ft) tall by 0.5 m (1.6 ft) broad, it is an herbaceous perennial bearing long, narrow leaves with a prominent white midrib, and clusters of long-lasting lime-green flowers throughout summer into autumn. The flowers are useful in flower arranging.
Euphorbia fulgens, the scarlet plume, is a species of flowering plant in the spurge family Euphorbiaceae, native to Mexico. Growing to 1.5 m (4.9 ft) tall by 1 m (3.3 ft) broad, it is a deciduous shrub with long, weeping branches and narrow leaves. In winter orange-red flowers growing in the leaf axils cover the length of the branches.
Euphorbia × martini, or Martin's spurge, is a hybrid between two species of flowering plant, E. amygdaloides × E. characias subsp. characias in the spurge family Euphorbiaceae. It was found growing wild in southern France. Growing to 60 cm (24 in) tall and broad, it is a dwarf evergreen subshrub with narrow grey-green leaves and in late spring and early summer, sprays of lime green flowers, often with a red or maroon eye. It is useful as a spreading, weed-smothering groundcover. Though hardy down to −15 °C (5 °F), it is a Mediterranean plant best grown in a sheltered spot in well-drained soil in full sun.
