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Mespilus canescens facts for kids

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Mespilus canescens
Mespilus canescens - Missouri Botanical Garden.jpg
Conservation status

Critically Imperiled (NatureServe)
Scientific classification
Genus:
Mespilus
Species:
canescens

Mespilus canescens, commonly known as Stern's medlar, is a large shrub or small tree, recently discovered in Prairie County, Arkansas, United States, and formally named in 1990. It is a critically endangered endemic species, with only 25 plants known, all in one small (9 ha) wood, now protected as the Konecny Grove Natural Area.

It has been shown by genetic analysis to be closely related to the common medlar Mespilus germanica, which was previously the only known species in the genus. Subsequent molecular analyses suggest that Stern's medlar is likely a hybrid between M. germanica and one or two native North American species of Crataegus.

Description

Thorns are sparse, 2–3 cm (0.8–1.2 in) long. The leaves are 2–4 cm (0.8–1.6 in) long. The five-petalled white flowers are produced in late spring. The fruit is an almost spherical pome, 8–12 mm (0.3–0.5 in) diameter; it differs from common medlar fruit in being deep glossy red when ripe (not brown).

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