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Crataegus uniflora Münchhausen. Oneflower Hawthorn. Phen: Apr-May; Sep-Oct. Hab: Thin woodlands, disturbed lands, roadsides, rock outcrops, often in xeric or sub-xeric conditions. Dist: NY to peninsular FL, w. to IL, MO, OK, e. TX.

ID notes: Normally a shrubby species, 0.5-2 m in height, though local forms may reach 4 m, particularly in n. FL. Minor variation occurs in foliage, but fairly consistent are the slender thorns (2-7 cm long) and foliaceous calyx lobes persistent on the fruit.

Origin/Endemic status: Native

Synonymy: = Ar, C, F, FNA9, G, K1, K3, NY, Pa, S, Tat, Tn, W, Lance (2014); = n/a – Il; > Crataegus arenicola Ashe; > Crataegus gregalis Beadle – S13; > Crataegus pentaneura Ashe – S13; > Crataegus raleighensis Ashe – S13; < Crataegus uniflora Münchh. – RAB; > Crataegus uniflora Münchh. – S13

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Heliophily ?: 7

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image of plant© Gary P. Fleming | Original Image ⭷
image of plant© Erik Danielson source | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷
image of plant© Bruce A. Sorrie | Original Image ⭷

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