Crataegus monogyna Jacq.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Rosaceae
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Scientific Name
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Description
Species Description - Arborescent shrub or tree to 12 m; thorns 1–2 cm, lateral on the twigs and also terminating short stout branches; lvs ovate to rhombic or obovate, cuneate to truncate at base, glabrous, or sometimes slightly hairy beneath when young, dark green, deeply cleft with 3–5(7) lobes, the veins running to the sinuses as well as to the points of the lobes; petioles from 1/4 to fully as long as the blade; fls 0.9–1.2 cm wide, in glabrous or slightly villous compound cymes; sep deltoid, entire; fr red, 5–8 mm thick, with thin flesh and usually a single nutlet. Native of Europe and w. Asia, often escaped from cult. in our range. (C. oxyacantha, a rejected name)
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Common Names
oneseed hawthorn