green alder Betulaceae Alnus viridis ssp. crispa

Leaf:Alternate, simple, deciduous, broadly ovate, 2 to 4 inches long, margins are finely serrate; green to yellow-green above, paler green with some pubescence (especially along the veins) below; base rounded to cordate.
Flower:Species is monoecious with flowers are borne in unisexual aments (catkins); preformed male aments are long, slender, and pendent; female catkins are small and hang in long clusters from long stalks.
Fruit:A small brown semi-woody cone 1/2 to 3/4 inch long that persists through the winter; seeds are tiny winged nutlets, shed in the fall.
Twig:Slender, zig-zag, gray and smooth with age; buds are slightly stalked to sessile with imbricate scales.
Bark:Gray to grayish green, smooth.
Form:A thicket forming shrub to 15 feet tall.

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