Lepidium is a genus of plants in the mustard/cabbage family, Brassicaceae. The genus is widely distributed in the Americas, Africa, Asia, Europe, and Australia. It includes familiar species such as garden cress, maca, and dittander. General common names include peppercress, peppergrass, pepperweed, and pepperwort. Some species form tumbleweeds. The genus name Lepidium is a Greek word meaning 'small scale', which is thought to be derived from a folk medicine usage of the plant to treat leprosy, which cause small scales on the skin. Another meaning is related to the small scale-like fruit.
Glaucium flavum, the yellow horned poppy, yellow hornpoppy or sea poppy, is a summer flowering plant in the family Papaveraceae. It is native to Europe, Northern Africa, Macaronesia and temperate zones in Western Asia. The plant grows on the seashore and is never found inland. All parts of the plant, including the seeds, are toxic. It is classed as a noxious weed in some areas of North America, where it is an introduced species. It is grown in gardens as a short-lived perennial but usually grown as a biennial.
Macromeles tschonoskii is a species of flowering plant in the family Rosaceae. It is a tree endemic to Japan.
Hymenosporum is a monotypic genus in the family Pittosporaceae. The sole included species is Hymenosporum flavum, commonly known as native frangipani, which is a rainforest tree native to New Guinea, Queensland and New South Wales. Despite its common name, it is not closely related to the frangipani, but is related to the widespread genus Pittosporum.
Iris confusa (; also known as the bamboo iris is a species of iris, it is also in the subgenus Limniris and in the section Lophiris. It is a rhizomatous perennial plant, native to Western China. It has flowers which range from white to a soft lavender or pale blue in colour, with orange-yellow crests and purple dots. The plant's broad, shiny leaves are attached to bamboo-like stems. It is cultivated as an ornamental plant in temperate regions.
Eriogonum flavum is a species of wild buckwheat.
Lepidium flavum is a species of flowering plant in the mustard family known by the common name yellow pepperweed. It is native to California, Nevada, and Baja California, where it grows in the Sonoran and Mojave Deserts. The species epithet flavum is Latin for yellow and indicates its flower colour.
Arisaema flavum is a species of flowering plant widespread across north-eastern Africa and southern Asia. It is native to Ethiopia, Somalia, the Arabian Peninsula, Pakistan, Afghanistan, Nepal, Assam, Himalayas, Tibet, Yunnan, and Sichuan. The species epithet flavum is Latin for yellow and indicates its flower colour.
The yellow cypripedium, Cypripedium flavum, is a species of orchid. It is endemic to China, found in the provinces of Gansu, Hubei, Sichuan, Xizang (Tibet), and Yunnan.
Zanthoxylum americanum, the common prickly-ash, common pricklyash, common prickly ash or northern prickly-ash, is an aromatic shrub or small tree native to central and eastern portions of the United States and Canada. It is the northernmost New World species in the citrus family, Rutaceae, and is the type species in its genus, which includes sichuan pepper. It can grow to 10 meters (33 ft) tall with a diameter at breast height (DBH) of 15 cm (5.9 in). It produces membranous leaflets and axillary flower clusters. The wood is not commercially valuable, but oil extracts from the bark have been used in traditional and alternative medicine, and have been studied for antifungal and cytotoxic properties. The genus name is sometimes spelled Xanthoxylum.
Bulbophyllum flavum is a species of orchid in the genus Bulbophyllum. The species epithet flavum is Latin for yellow and indicates its flower colour.
Thalictrum flavum, known by the common names common meadow-rue, poor man's rhubarb, and yellow meadow-rue, is a flowering plant species in the family Ranunculaceae. It is a native to Caucasus and Russia (Siberia). Growing to 100 cm (39 in) tall by 45 cm (18 in) broad, it is an herbaceous perennial producing clusters of fluffy yellow fragrant flowers in summer.
Linum flavum, the golden flax or yellow flax, is a species of flowering plant in the family Linaceae, native to central and southern Europe. It is an erect, woody perennial growing to 30 cm (12 in) tall by 20 cm (8 in) broad, with dark green, semi-evergreen leaves, and terminal clusters of bright yellow, five-petalled flowers in spring. The Latin flavum means "pure yellow".
Allium flavum, the small yellow onion or yellow-flowered garlic, is a species of flowering plant in the genus Allium. A bulbous herbaceous perennial, it is native to the lands surrounding the Mediterranean, Black, and Caspian Seas, from France + Morocco to Iran + Kazakhstan.
Iris afghanica is a plant species in the genus Iris, it is also in the subgenus Iris and in the section Regelia. It is a rhizomatous perennial, from Afghanistan, with thin bluish-green leaves and creamy yellow or white flowers, that are veined with purple-brown. It has yellow-green or purple beards. Although, in the wild, it can vary in colour and size. It is cultivated as an ornamental plant in temperate regions.
Conophytum flavum, the yellow cone plant, is a small South African species of succulent flowering plant of the family Aizoaceae.
Iris schachtii is a plant species in the genus Iris, it is also in the subgenus Iris. It is a rhizomatous perennial, from central Anatolia, in Turkey. It has small, thin grey-green leaves, a short stem with 1–3 branches, which are normally, covered with a green leaf with purple staining. It has 2 or more fragrant flowers in late spring, which come in shades of yellow or purple, or violet and yellow,. It has a yellow or white with yellow-tips beard. It is cultivated as an ornamental plant in temperate regions, but prefers regions with dry, hot summers.
Iris timofejewii is a species of flowering plant in the genus Iris, and also in the subgenus Iris. It is a rhizomatous perennial, from the mountain slopes of the Caucasus and Dagestan. It has narrow, evergreen, falcate (sickle-shaped), grey-green (glaucous) leaves, and a short flowering stem just taller than the leaves. Each stem has 1–2 flowers in shades of violet, with white beards that have purple tips. It is cultivated as an ornamental plant in temperate regions.
Iris atrofusca is a species in the genus Iris, where it is placed in the subgenus Iris and the section Oncocyclus. It is a rhizomatous perennial from the deserts of Israel and Jordan. The species has long falcate (sickle-shaped) or ensiform (sword-shaped) leaves, a long thick stem and large fragrant flowers that come in shades of purple brown, reddish-black, black-brown, dark brown, dark lilac or dark purple. The flowers also have a black or brownish-black signal patch and a thick beard that is brown-black, light brown or yellow tipped with brown. It is rarely cultivated as an ornamental plant in temperate regions.
Iris petrana, commonly known as the Petra iris, is a species in the genus Iris, it is also in the subgenus of Iris and in the Oncocyclus section. It has spring blooming flowers that come in shades from burgundy, dark brown to dark violet and purple. They have yellow or dark 'beards' and flower over sword-like grey-green leaves. It is normally found in the desert sands between the countries of Jordan and Israel.
