familyRosaceae
subfamilyRosaceae subfam. Amygdaloideae
genusCrataegus
sectionCrataegus sect. Coccineae
speciesCrataegus schuettei
Crataegus schuettei var. ferrissii
Publ. Bot. Milwaukee Public Mus. 3: 176. 1965.
Conservation concernEndemic
Basionym: Crataegus ferrissii Ashe J. Elisha Mitchell Sci. Soc. 17: 11. 1901 (as ferrissi)
Revision as of 23:14, 16 December 2019 by FNA>Volume Importer
Leaf blades ovate to ovate-oblong, 3–6 cm, base rounded to subtruncate, sinuses deep (max LII 25–40%), proximal lobe most deeply separated, spreading at 60º–80º. Inflorescence branches glabrous. Flowers 15–20 mm diam. Pomes 9–12 mm diam.
Phenology: Flowering May; fruiting Sep–Oct.
Habitat: Brush, field margins, woodland edges
Elevation: 300 m
Discussion
Of conservation concern.
Variety ferrissii is a very distinct form from northern Illinois that has recently been rediscovered near Tinley Park; it should perhaps be referred to another species.
Selected References
None.
Lower Taxa
None.