familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
genusCrataegus
sectionCrataegus sect. Coccineae
speciesCrataegus collina
Crataegus collina var. hirtiflora
Novon 16: 385. 2006.
Endemic
Basionym: Crataegus hirtiflora Sargent Crataegus Missouri, 82. 1908 (as hertiflora)
Synonyms: C. macropoda Sargent
Leaf blades broadly elliptic, 3–5 cm, 2/3 to nearly full grown at anthesis, length/width = 1.3, thin to chartaceous, lobes 0 or 1 per side, obscure, max LII 10%, lobe apex usually obtuse, margins serrate, teeth 0.5 mm, apex usually subacute, adaxial surface matte, short-pubescent young. Inflorescence branches short-pubescent. Flowers 15–18 mm diam.; stamens 15–20, anthers white or cream.
Phenology: Flowering Apr; fruiting Sep–Oct.
Habitat: Pastures, fencerows, scrub, open woodlands
Elevation: 10–200 m
Discussion
Variety hirtiflora is common west of the Mississippi River.
Selected References
None.
Lower Taxa
None.