The drug plants of Illinois drugplantsofilli44teho Year: 1951 FRAXINUS NIGRA Marsh. Black ash. Oleaceae.—^A moderate to large tree 70 to 100 feet tall; bark of the trunk gray, red-tinted, thin, separating into papery scales; branches and twigs ashy gray to orange; leaves large, odd-pinnate- ly compound, opposite; leaflets lanceolate, serrate, sessile except the terminal one, 7 to 11 in number; flowers inconspicuous; fruit a narrowly oblong 'key' 1 to ll/^ inches long. The bark of the trunk and root col- lected. Infrequent but widely distributed in the northern two-thirds of the state, in wet
The drug plants of Illinois drugplantsofilli44teho Year: 1951 FRAXINUS NIGRA Marsh. Black ash. Oleaceae.—^A moderate to large tree 70 to 100 feet tall; bark of the trunk gray, red-tinted, thin, separating into papery scales; branches and twigs ashy gray to orange; leaves large, odd-pinnate- ly compound, opposite; leaflets lanceolate, serrate, sessile except the terminal one, 7 to 11 in number; flowers inconspicuous; fruit a narrowly oblong 'key' 1 to ll/^ inches long. The bark of the trunk and root col- lected. Infrequent but widely distributed in the northern two-thirds of the state, in wet or swampy wooded sites. Contains the glucoside fraxin. Used as a tonic and astringent.
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