| http://www.w3.org/ns/prov#value | - The fruit is a small nutlet 3???5 mm long fully enclosed in a papery white involucre 1???1.8 cm long, with 10???30 involucres on each catkin.Populations along the Atlantic coast have slightly smaller leaves, and are sometimes separated as O. virginiana var. lasia Fernald.The buds and catkins are important source of winter food for some birds, notably Ruffed Grouse (Bonasa umbellus).Habitat Mountai
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