. Concord area trees and shrubs. Botany; Trees; Shrubs. TREES ALTERNATE SIMPLE LEAVES CHERRIES & PLUMS: Leafstalks and leaf teeth usually BEARING GLANDS. MAIN SIDE VEINS GENERALLY NOT REACHING LEAF TEETH. UPPER TRUNK BARK OFTEN MARKED WITH CROSS-STREAKS. FRUIT WITH 1 SEED. AMERICAN PLUM Prunus americana Fruit (flowers) not in elongated clusters. Leaf teeth sharp and not bearing glands. Leafstalk glands sometimes present. Spur branches often spiny and sharp. Mature fruit more or less spherical, about cm. long, with a groove or line running from base to tip, red or yellow, juicy, usually
. Concord area trees and shrubs. Botany; Trees; Shrubs. TREES ALTERNATE SIMPLE LEAVES CHERRIES & PLUMS: Leafstalks and leaf teeth usually BEARING GLANDS. MAIN SIDE VEINS GENERALLY NOT REACHING LEAF TEETH. UPPER TRUNK BARK OFTEN MARKED WITH CROSS-STREAKS. FRUIT WITH 1 SEED. AMERICAN PLUM Prunus americana Fruit (flowers) not in elongated clusters. Leaf teeth sharp and not bearing glands. Leafstalk glands sometimes present. Spur branches often spiny and sharp. Mature fruit more or less spherical, about cm. long, with a groove or line running from base to tip, red or yellow, juicy, usually a bit sour but edible. Often a shrub. Thickets, roadsides, wood borders. Uncommon. CANADA PLUM Prunus nigra Fruit (flowers) not in elongated clusters. Leaf teeth rounded. Spur branches often spiny sharp, Mature fruit oblong, cm. long, with a groove or line running from base to tip, orange-red to yellowish, edible. A small tree or shrub. Thickets, fencerows, wood borders. Rare. BLACK CHERRY Prunus serotina Fruit (flowers) in elongated clusters. Leaf teeth blunt. Leaves often with midrib hairy beneath; tips not abruptly tapered. Dark purple or black cherries have bitter-sweet pulp, edible when fully ripe. Woods, roadsides. Abundant CHOKE CHERRY Prunus virginiana Fruit (flowers) in elongated clusters. Leaf teeth sharp. Leaves with mostly hairless midribs; tips abruptly tapered. Purplish red or pale yellow fruit is tart, scarcely palatable raw, but used in jellies and pies. Usually a shrub, occas- ionally a small tree. Roadsides, thickets, wood borders. Common. 30. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Angelo, Ray, 1948-; Angelo, Ray, 1948-. Cambridge, Mass. : Concord Field Station, Museum of Comparative Zoology, Harvard University
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Keywords: ., bookcentury1900, booksubjec, booksubjectbotany, booksubjectshrubs
