Persea schiedeana, the coyo, is a species of plant in the family Lauraceae. It belongs to the evergreen tree genus Persea, which comprises about 150 species, and is closely related to the avocado, P. americana. Other common names include aguacate de montaña, aguacatón, chinini, and yas.
Coyo is native to southern Mexico and parts of Central America. It occurs at altitudes up to 2800 meters in lowlands and montane tropical forests. It is cultivated for fruit and used as graft stock for common avocado.
The tree grows to about 20 m high, occasionally reaching 50 m. Young branches are very hairy. The leaves are deciduous and the flowers are light greenish-yellow, with the stamens turning red with age. The fruit, closely resembling that of the avocado, is generally pear-shaped, with a thick, green, leathery skin. The flesh is oily with a milky juice and tastes like an avocado or coconut. The pear-shaped fruit is easily mistaken for an avocado. However, it contains a much larger central seed. The flesh has stone cells and a gritty texture that is generally considered unfavourable for edible consumption, despite its appealing taste. The cotyledons, unlike those of the avocado, are pink internally.
This species is considered to be endangered due to loss of habitat as forests are cleared for agriculture.
- Wegier, A., et al. 2017. Persea schiedeana. The IUCN Red List of Threatened Species 2017. Downloaded on 28 September 2018.
- "Persea schiedeana". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 23 September 2015.
- Bost, J. Persea schiedeana: A high oil “Cinderella Species” fruit with potential for tropical agroforestry systems. Sustainability 2014, 6(1), 99-111; doi:10.3390/su6010099
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