. Concord area trees and shrubs. Botany; Trees; Shrubs. TREES OPPOSITE COMPOUND LEAVES HORSECHESTNUT Aesculus hippocastanum Our only tree with leaflets arranged like the spokes of a wheel. Nuts are somewhat poisonous raw. Frequently planted but escapes are rare. ASHLEAF MAPLE Acer negundo Leaflets mostly 3 or 5, toothed or untoothed. End leaflet often somewhat lobed. Small tree with trunk soon divid- ing into several parts. Fruits are typi- cal maple keys. Roadsides, waste land. Uncommon escape. WHITE ASH Fraxinus americana Leaflets 5-9, whitish beneath, toothed or not, on distinct stalklets t
. Concord area trees and shrubs. Botany; Trees; Shrubs. TREES OPPOSITE COMPOUND LEAVES HORSECHESTNUT Aesculus hippocastanum Our only tree with leaflets arranged like the spokes of a wheel. Nuts are somewhat poisonous raw. Frequently planted but escapes are rare. ASHLEAF MAPLE Acer negundo Leaflets mostly 3 or 5, toothed or untoothed. End leaflet often somewhat lobed. Small tree with trunk soon divid- ing into several parts. Fruits are typi- cal maple keys. Roadsides, waste land. Uncommon escape. WHITE ASH Fraxinus americana Leaflets 5-9, whitish beneath, toothed or not, on distinct stalklets that are 3-15 mm. long. Twigs hairless. Fruit body (not wing) mm. wide. Rich woods, roadsides. Common. RED ASH Fraxinus pennsylvanica Leaflets 5-9, usually slightly toothed or wavy-edged, on short stalklets 3-6 mr long. Twigs velvety-hairy. Fruit body (not wing) narrow ( mm. wide) and often long. Low woods, streambanks. Uncommon. GREEN ASH A variety of F. pennsylvanica with hair- less twigs. Leaflets green (not whitened) beneath. Fruit and habitat as in Red Ash. Uncommon. BLACK ASH Fraxinus nigra Leaflets 7-11, toothed, side ones stalkless, with small tufts of rusty hair where they are attached. Fruits squarish-tipped. Twigs hairless. Swamps, streambanks, shores. Uncommon. HORSECHESTNUT. BLACK ASH 13. 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
