Crataegus Missouri, 101. 1908.
Shrubs, 20–50 dm. Stems: twigs: new growth glabrate, 1-year old purple-brown, 2-years old dark gray-brown; thorns on twigs straight, 2-years old black, 3–7 cm. Leaves: petiole length 50% blade, winged distally, glandular; blade green, rhombic to rhombic-ovate, 2–4 cm, base cuneate, lobes 2–4 per side, sinuses shallow, lobe apex acute or rounded, margins finely, serrate, venation craspedodromous, veins 5 per side, apex acute, veins abaxially sparsely pilose young, persistent, adaxial glabrous or sparsely appressed-pilose young, glabrescent. Inflorescences 4–6-flowered; branches glabrous or sparsely, sometimes densely, villous; bracteoles caducous, numerous, reddish, linear, membranous, margins glandular. Flowers 10–20 mm diam.; hypanthium glabrous; sepals narrowly triangular, margins glandular-serrate, abaxial surface glabrous; stamens 10, anthers cream, sometimes pale-pink; styles 3–5. Pomes pale orange, strongly pruinose, or deep red, suborbicular, 10 mm diam., glabrous; flesh soft when mature; sepals patent-reflexed; pyrenes 3–5, dorsally grooved, sides plane.
c United States
Crataegus ×sicca is a poorly understood taxon from scattered locations in southern Missouri and southern Ohio. It is likely an interserial hybrid between C. margarettae and one or more entities in the C. pruinosa complex.
Nothovarieties 2 (2 in the flora)