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. In biology, a genus (plural genera) is a grouping in the classification of living organisms having one or more related and morphologically similar species. ... Jump to: navigation, search Deciduous means temporary or tending to fall off (deriving from the Latin word decidere, to fall off). ... A willow shrub A shrub or bush is a horticultural rather than strictly botanical category of woody plant, distinguished from a tree by its multiple stems and lower height, usually less than 6 m tall. ... Jump to: navigation, search Genera Alnus - Alder Betula - Birch Carpinus - Hornbeam Corylus - Hazel Ostrya - Hop-hornbeam Ostryopsis - Hazel-hornbeam Betulaceae, or the Birch Family, includes six genera of deciduous nut-bearing trees and shrubs, including the birches, alders, hazels, hornbeams and hop-hornbeams. ... This article is about the tree; for other meanings of hazel, see Hazel (disambiguation). ...

The genus is native in western China and Mongolia. They 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. Jump to: navigation, search In botany, a leaf is an above-ground plant organ specialized for photosynthesis. ... // Flower Anatomy Flowering plants are heterosporangiate (producing two types of reproductive spores) and the pollen (male spores) and ovules (female spores) are produced in different organs, but these are together in a bisporangiate strobilus that is the typical flower. ... A male catkin on a willow Catkins, or aments, are slim, cylindrical flower clusters, wind-pollinated and without petals, that can be found in many plant families, including Betulaceae, Fagaceae, Moraceae, and Salicaceae. ... Jump to: navigation, search Fruit stall in Barcelona, Catalonia. ... A seed is the ripened ovule of gymnosperm or angiosperm plants. ... Jump to: navigation, search Hazelnuts from the Common Hazel Chestnuts // Botanical definition A nut in botany is a simple dry fruit with one seed (rarely two) in which the ovary wall or part of it becomes very hard (stony or woody) at maturity. ...

External links

• Flora of China - Ostryopsis