Corylus heterophylla Trautv.

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Credits

Article from Bean's Trees and Shrubs Hardy in the British Isles

Recommended citation
'Corylus heterophylla' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/corylus/corylus-heterophylla/). Accessed 2021-09-27.

Genus

Glossary

apex
(pl. apices) Tip. apical At the apex.
glandular
Bearing glands.
midrib
midveinCentral and principal vein in a leaf.

References

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Credits

Article from Bean's Trees and Shrubs Hardy in the British Isles

Recommended citation
'Corylus heterophylla' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/corylus/corylus-heterophylla/). Accessed 2021-09-27.

A shrub or small tree up to 20 ft high; young shoots and leaf-stalks glandular-hairy. Leaves 2 to 4 in. long, variously shaped, often obovate, broadest near the apex, where they are cut off straight with the exception of a short, abrupt point; base often narrowed, always heart-shaped; unevenly toothed, often slightly lobed; downy beneath, especially on the midrib and veins. Nuts usually solitary or in pairs; the husk 34 to 1 in. long, downy on the margin, cut into large triangular teeth 16 to 14 in. deep.

Native of Japan and China, where it appears to represent C. avellana, just as C. americana does in the New World. It is recognisable in fruit by the more regularly toothed husk. The leaves do not differ much, and some of identical shape are to be found on both species, but those of C. avellana are, in general, not so much lobed.