The smallest plant seeds are those belonging to orchids. Three million orchid seeds would weigh about 1 gram (1/28th of an ounce).
Canadian Tree Guide
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Dogwood
alternate-leaved dogwoodCornus alternifolia L.f.
Alternate-leaved dogwood is a small (<12 m) tree. As this tree grows it produces a branching pattern that resembles tiers. Its flowers are smaller than that of eastern or western flowering dogwood and appear in clusters. The berry-like fruits are an important source of food for a variety of birds and also for black bears.
eastern flowering dogwoodCornus florida L.
Eastern flowering dogwood is a small (<14 m) tree. Its exquisite showy flowers appear before the leaves and the plum-like fruits are an important source of food for a large number of birds and mammals. First Peoples used various parts of the tree for medicinal purposes. A red dye was also made from the roots.
western flowering dogwoodCornus nuttallii Audubon
Western flowering dogwood can attain heights of about 18 m. Like the eastern flowering dogwood, it too has glorious showy flowers. First Peoples used the bark to treat a number of ailments. The bark was also used to produce a brown dye. The flower of the Western flowering dogwood is the floral emblem of British Columbia.
Tree Guide
