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FNA | Family List | FNA Vol. 9 | Rosaceae | Crataegus

37b. Crataegus berberifolia Torrey & A. Gray var. engelmannii (Sargent) Eggleston, Rhodora. 10: 76. 1908.
[(as engelmanni)]

Crataegus engelmannii Sargent, Bot. Gaz. 31: 2. 1901 (as engelmanni); C. albicera Beadle; C. bellica Sargent; C. crus-galli Linnaeus var. bellica (Sargent) E. J. Palmer; C. engelmannii var. sinistra (Beadle) E. J. Palmer; C. hirtella Sargent; C. munita Sargent; C. pilifera Sargent; C. setosa Sargent; C. signata Beadle; C. sinistra Beadle; C. tenuis Sargent; C. triumphalis Sargent; C. vallicola Sargent

Flowers 10–15 mm diam.; stamens 10, anthers usually pink.

Flowering Apr; fruiting Sep–Nov. Brush; 10–200 m; Ala., Ark., Kans., La., Miss., Mo.

Variety engelmannii is red-fruited and is the most common variety in Missouri; it extends without break from Kansas to Louisiana and Alabama. Crataegus signata possibly does not belong; it has three to five styles, and Beadle compares it to C. ashei (ser. Bracteatae) in his protologue.


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