Corylus

• Authority

  Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

• Family

  Betulaceae

• Scientific Name

  Corylus

• Description

  Genus Description - Staminate catkins emerging in autumn, reaching anthesis in early spring, each scale subtending a pair of small bractlets and a single naked fl with 4 stamens, the filaments deeply bipartite, each segment bearing a half-anther; pistillate catkins small, ovoid, the few, closely imbricate scales concealing the fls except for the elongate stigmas, each fl subtending by a minute bract and 2 bractlets, these greatly accrescent at maturity and enclosing the hard- shelled, edible nut; shrubs or small trees with doubly serrate lvs, colonial by roots. 10+, N. Temp.

• Common Names

  hazel-nut