Corylopsis Siebold & Zucc.

Winter Hazel

Greek corylos—hazel, opsis—like.

Deciduous shrubs, hairs star-shaped. Leaves ovate to orbicular, margin toothed; stipules large, soon shed. Flowers bisexual, appearing before the leaves, axillary, hanging in catkin-like clusters, fragrant, the clusters and individual flowers with brown bracts. Sepals 5. Petals 5, yellow, narrow at base. Stamens 5 with 5 inner nectaries. Carpels 2, united. Ovary semi-inferior to superior, 2-chambered with 1 fertile ovule in each chamber. Fruit woody almost round capsule; seeds shiny black.

Seed, softwood cuttings, layers and division.

7 species from Himalaya (Bhutan), Assam, China, Taiwan and Japan.

Morley & Chao (1977), Wright (1982).

Source: Spencer, R. (1997). Hamamelidaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 2. Flowering plants. Dicotyledons. Part 1. The identification of garden and cultivated plants. University of New South Wales Press.

kingdom Plantae
phylum   Tracheophyta
class    Magnoliopsida
superorder     [Saxifraganae]
order      Saxifragales
family       Hamamelidaceae
Higher taxa
Subordinate taxa
species         Corylopsis sinensis Hemsl.
species         Corylopsis spicata Siebold & Zucc.