Ostryopsis

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Ostryopsis
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Fagales
Family: Betulaceae
Genus: Ostryopsis
Decne.
Species

Ostryopsis davidiana
Ostryopsis nobilis

Ostryopsis is a small genus of two species of deciduous shrubs belonging to the birch family Betulaceae. The species have no common English name, though Hazel-hornbeam has been suggested, reflecting their similarities to the closely related Hazels and Hop-hornbeams.

The genus is native in western China and Mongolia. They are shrubs reaching 3-5 m tall, with alternate, double-toothed hazel-like leaves 2-7 cm long. The flowers are produced in spring, with separate male and female catkins. The fruit form in clusters 3-5 cm long with 6-10 seeds; each seed is a small nut 4-6 mm long, fully enclosed in a sheath-like involucre.

The local people in Northeast China has found hazelnuts of Ostryopsis davidiana and Corylus mandshurica are more delicious than that of Common Hazels and Asian Hazels, and the cuisine "stir-fried huozhenzi" (火榛子) are popular. However, their hazelnuts are far more expansive than common and Asian hazelnuts.

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