Solanum etuberosum

Edwards' botanical register, or, Ornamental flower-garden and shrubbery .. (1829-1847) (21180624271)

Solanum etuberosum is a species of wild potato in the genus Solanum. It is native to the Andes region of South America, specifically found in Chile and Argentina. This species is notable for its resistance to several diseases that affect cultivated potatoes, making it of interest in agricultural research and plant breeding.

Description

Solanum etuberosum is a perennial herbaceous plant. It typically grows to a height of 30-60 cm. The leaves are compound, with 5-7 leaflets that are ovate to lanceolate in shape. The plant produces small, white to pale purple flowers. Unlike many other species in the genus Solanum, Solanum etuberosum does not produce tubers, which is reflected in its name (etuberosum meaning "without tubers").

Habitat and Distribution

Solanum etuberosum is found in the temperate regions of the Andes, particularly in Chile and Argentina. It grows in a variety of habitats, including grasslands, scrublands, and forests. The plant is adapted to a range of altitudes, from sea level up to 3,000 meters.

Uses

While Solanum etuberosum is not cultivated for food due to its lack of tubers, it is of significant interest in plant breeding programs. The species possesses natural resistance to several potato diseases, including late blight (caused by Phytophthora infestans) and potato virus Y. Researchers are exploring ways to transfer these resistance traits to cultivated potato varieties (Solanum tuberosum) through hybridization and genetic engineering.

Taxonomy

Solanum etuberosum belongs to the family Solanaceae, which includes other economically important plants such as tomatoes (Solanum lycopersicum), eggplants (Solanum melongena), and peppers (Capsicum spp.). The species was first described by botanist John Gregory Hawkes in 1956.

Conservation Status

The conservation status of Solanum etuberosum has not been extensively studied. However, like many wild relatives of cultivated plants, it may be at risk due to habitat loss and environmental changes. Conservation efforts are important to preserve its genetic diversity, which could be crucial for future agricultural developments.

See Also

• Solanum
• Solanum tuberosum
• Plant breeding
• Late blight
• Phytophthora infestans
• Solanaceae

External Links

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