Friedrich August Georg Bitter

Lycianthes rantonnetii, the blue potato bush or Paraguay nightshade, is a species of flowering plant in the nightshade family Solanaceae, native to South America. Though related to food plants like the potato and tomato, all parts of the plant are considered toxic to humans.

Solanum chacoense is a species of wild potato. It is native to South America, where it can be found in Brazil, Bolivia, Argentina, Peru, Uruguay, and Paraguay. It "is one of the most widely distributed wild potato species." It grows as a common weed in disturbed habitat such as crop fields. It can also be found in Australia, China, the United States, England, New Zealand, and elsewhere as an introduced species. This plant has been extensively researched in the quest to find ways to improve its relative, the cultivated potato (Solanum tuberosum). It is sexually compatible with the common

Solanum acaule is a species of wild potato in the family Solanaceae, native to Peru, Bolivia, northern Chile, and northwestern Argentina. It is being extensively studied for its resistance to Phytophthora infestans (the cause of late potato blight), Potato leafroll virus, Potato virus X, Potato virus Y, potato cyst nematodes, and frost, in an effort to improve the domestic potato Solanum tuberosum.

Solanum abutiloides is a species of plant in the family Solanaceae. It is endemic to Argentina and Bolivia, and thrives as a weedy plant in rocky land, on stream banks, and scrub land between 900–3600 metres (3000–11800 ft) in elevation. It is also known as dwarf tamarillo, due to superficial similarities with Solanum betaceum. Solanum abutiloides is also sometimes known by the archaic name Cyphomandra abutiloides. Solanum abutiloides quickly matures into a shrub or small tree up to 9 m (30 ft) tall, though usually far smaller. The heart-shaped leaves have a distinctive and pungent smell.

Polylepis australis, also known locally as tabaquillo or queñoa is a tree endemic of central Argentina, member of the family Rosaceae. The genus Polylepis originated in the eastern Andean forests of eastern South America.

Polylepis rugulosa, the queñua, is a species of plant in the family Rosaceae. It is primarily found in the Andes region of South America in Argentina, Bolivia, Chile and Peru. It is currently threatened by habitat loss. This is a small tree, which is unable to grow more than 4 metres in height. It features a reddish-brown bark with brilliant compound leaves. The tree's fruit and flowers are generally unnoticeable since they are shrouded by the tree's foliage. In the Andes of the Department of Tacna, Peru, the queñua tend to grow more on western slopes than on eastern ones. The tree has

Solanum sodiroi is a species of plant in the family Solanaceae. It is possibly endemic to Ecuador. The specific epithet of sodiroi refers to Luis Sodiro (1836–1909), who was an Italian Jesuit priest and a field botanist, who collected many plants in Ecuador. S. carchiense as described by Correll is an invalid name for this plant that is sometimes still seen. Altogether, the following synonyms are assigned to this species: Solanum carchiense Correll Solanum sodiroi var. dimorphophyllum (Bitter) Correll Solanum sodiroi ssp. dimorphophyllum Bitter Solanum tetrapetalum Rusby The mysterious S.

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Solanum pachyandrum, known as bombona, is a spine-forming vine of the Solanum genus (which contains over 1,000 species). It is native to southwestern Ecuador and northwestern Peru where the large juicy fruit is commonly eaten and considered a treat by children. Although the plant has been known and consumed by the indigenous people of that land, it was only published scientifically in 1914 by German botanist Friedrich August Georg Bitter.

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Solanum dolichorhachis is a species of plant in the family Solanaceae. It is endemic to Ecuador.

Solanum brevicaule is a tuberous perennial plant of the family Solanaceae. The species is native to South America (Argentina, Bolivia, and Peru). It is related to the potato, but unlike the potato which is tetraploid, it has several levels of ploidy: diploid, tetraploid, and hexaploid. This species gives its name to the "Solanum brevicaule complex" which includes about twenty species of morphologically close wild potato species distributed between central Peru and northern Argentina, and are considered by some taxonomists to be the ancestors of the traditional varieties of potatoes grown in

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Iochroma lehmannii is a species of plant in the family Solanaceae. It is endemic to Ecuador, specifically in the Chimborazo Province in the High Andes. Its flowers are yellow-green.

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Solanum interandinum is a species of plant in the family Solanaceae. It is endemic to Ecuador.

Solanum hypocalycosarcum is a species of plant in the family Solanaceae. It is endemic to Ecuador.

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Solanum chimborazense is a species of plant in the family Solanaceae. It is endemic to Ecuador.

Solanum asteropilodes is a species of plant in the family Solanaceae. It is endemic to Ecuador.

Polylepis microphylla is a species of plant in the family Rosaceae. It grows in the Andes of Ecuador and Peru.

Polylepis crista-galli is a species of plant in the family Rosaceae. It is endemic to Bolivia. It is threatened by habitat loss.

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