Corylus avellana
Corylus avellana
Fındık
Large spreading shrub to 6 m, with brownish-grey, smooth bark. Young shoots yellowish-grey, hairy or glandular-pubescent. Leaves ovate to broadly ovate, 5-12 x 3-10 cm, with 6-9 pairs of veins, biserrate and slightly lobulate, abruptly acuminate at apex and cordate at base, dark green and slightly pubescent above, pate green and pubescent beneath. Petioles 0.5-2.5 cm, glandular-hispid. Stipules oblong-ovate, obtuse, hairy. Staminate catkins to 9 cm, with broadly ovate bracts. Involucre mostly shorter or rarely slightly longer than nut, divided to half-way or a little more, usually irregularly dentate or deeply dissected on one side or both, stipitate-glandular below. Nut subglobose or ovoid with abruptly pointed tip, 10-22 x 9-16 mm, in clusters of 2-8 or sometimes singly. Fl. 2.
1. Involucre dissected on two sides, usually shorter than nut var. avellana
1. Involucre dissected on one side, usually slightly longer than nut var. pontica
