Friedrich Markgraf

Miconia abbreviata is a species of flowering plant in the family Melastomataceae. It is native to Bolivia, Northern Brazil, Colombia, Ecuador, Peru, and Venezuela.

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Catharanthus ovalis is a species of flowering plant in the dogbane family, Apocynaceae. It is endemic to Madagascar. First published as a species in 1970, several subspecies or varieties have been proposed, however none are now recognized. C. ovalis is found in the southern areas of the Central Plateau and the southwest of Madagascar. The plant has hairless (glabrous) stems, and leaves with an oval shape. The leaves are sessile (petiole less than 1 mm long) and the corolla has a white or yellow eye and pink lobes.

Tessmannianthus is a genus of flowering plants in the family Melastomataceae. There are seven species distributed in Central and South America. They are medium to large trees up to 40 meters (130 ft) tall. The flowers are heterantherous, bearing two types of stamens. These plants are rare, and some are narrow endemics known from only one location. The genus name of Tessmannianthus is partly in honour of Günther Tessmann (1884–1969), a German-Brazilian ethnologist and botanist. He was also an African explorer and plant collector, who later settled in Brazil. The second part of the name, anthos

Laxoplumeria is a genus of plants in the family Apocynaceae, first described as a genus in 1947. They are native to Panama and South America. Species include Laxoplumeria aberrans J.F.Morales Laxoplumeria baehniana Monach. Laxoplumeria longipetiolata J.F.Morales Laxoplumeria tessmannii Markgr. Laxoplumeria verticillata J.F.Morales & I.L.Morais

Ephippiocarpa is a genus of flowering plants belonging to the family Apocynaceae. Its native range is Southern Somalia to Southern Africa. Species: Ephippiocarpa humilis (Chiov.) Boiteau Ephippiocarpa orientalis (S.Moore) Markgr.

Miconia gibba is a species of flowering plant in the family Melastomataceae. It is native to Colombia and Ecuador. Its natural habitat is subtropical or tropical moist montane forests.

Miconia espinosae is a species of flowering plant in the family Melastomataceae. It is endemic to Ecuador. Its natural habitat is subtropical or tropical moist montane forests.

Miconia dielsii is a species of flowering plant in the family Melastomataceae. It is native to Ecuador and Peru. Its natural habitat is subtropical or tropical moist montane forests.

Catharanthus coriaceus is a species of flowering plant in the dogbane family, Apocynaceae. It is endemic to Madagascar. C. coriaceus is typically found in the northern areas or the central plateau of Madagascar, preferring a dry, rocky environment. The plants are relatively small at full growth (hardly ever more than 30 cm tall). The one-flowered plant has leaves that are 30 mm long or less but are longer than the internodes. The follicles are erect or pedunculate, and the corolla is pink.

Astronidium glabrum is a species of plant in the family Melastomataceae. It is endemic to the Society Islands (Raiatea and Tahiti) of French Polynesia.

Papuechites is a genus of flowering plants in the family Apocynaceae, first described as a genus in 1925. It contains only one known species, Papuechites aambe, native to New Guinea, the Bismarck Archipelago, and the Indonesian Province of Maluku. formerly included Papuechites novoguineensis (K.Schum.) Markgr. = Micrechites novoguineensis K.Schum. Papuechites warianus (Schltr.) Markgr. = Micrechites warianus (Schltr.) D.J.Middleton

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 (normally between May and June), which come in shades of yellow or purple, or violet and yellow, (from greenish yellow, mid-yellow, yellow, white, off-white to yellow/brown bi-tones). It has a yellow or white with yellow-tips beard. It is cultivated as an

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Festuca callieri is a species of grass in the family Poaceae. This species is perennial and grows mainly in temperate biomes. The name was published in 1932. Festuca callieri is native to Bulgaria, Greece, Crimea, Lebanon, Syria, North Caucasus, Romania, Transcaucasus, Turkey, Turkey-in-Europe, and Yugoslavia.

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Blakea involvens is a species of plant in the family Melastomataceae. It is endemic to Ecuador. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.

Blakea hispida is a species of flowering plant in the family Melastomataceae. It is native to Colombia, Ecuador, and Peru. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests.

Allowoodsonia is a plant genus in the family Apocynaceae, first described in 1967. It contains only one known species, Allowoodsonia whitmorei, endemic to the Solomon Islands in the SW Pacific.

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Lacmellea panamensis is a species of tree in the family Apocynaceae native to Costa Rica, Panama, Nicaragua, Colombia, and Ecuador. It is a medium-sized tree, with a straight trunk, that is scattered with conical spines that are rather blunt, a distinctive feature of the species. Its leaves are around 10 centimetres (3.9 in) long, spaced evenly along branches, simple in shape, dark green and if damaged produce a white latex. Their flowers are white and around 3 centimetres (1.2 in) long thin tubes and develop into yellow berries of 3 cm in diameter. Its seeds weigh around 0.25 grams (0.0088

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Horsfieldia sepikensis is a species of flowering plant in the family Myristicaceae. It is endemic to Papua New Guinea.

Horsfieldia crux-melitensis is a species of flowering plant in the family Myristicaceae. It is endemic to Papua New Guinea.

Horsfieldia ampla is a small (4–5 m tall) rare tree with small (4×2 mm) yellow flowers in the family Myristicaceae, known only from its type collection (the original type specimen used to describe it has been lost). It is endemic to Papua New Guinea, where it is only found in those provinces associated with the Sepik river (East Sepik and Sandaun, together formerly known as Sepik Province), growing in dense humid forest.