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

3. Crataegus marshallii Eggleston in N. L. Britton and J. A. Shafer, N. Amer. Trees. 473. 1908.

Parsley haw

Mespilus apiifolia Marshall, Arbust. Amer., 89. 1785, not Crataegus apiifolia Medikus 1793

Shrubs or trees, 20–80 dm. Stems 1-trunked; 1-year old twigs dark purple-brown, older dark, dull gray; thorns on twigs straight or slightly recurved, 1.5–3 cm, 3-years old dark and shiny, slender, 2–3 cm. Leaves: petiole long, pubescent; blade broadly ovate to deltate, 1.5–3 cm, base broadly cuneate to ± truncate, lobes 3 per side, narrow, margins serrate, particularly toward lobe apices, veins 7 or 8 per side (including those to sinuses), apex acute, surfaces hairy, especially along veins abaxially. Inflorescences 4–10-flowered; branches densely pubescent; bracteole margins short-stipitate-glandular. Flowers 12–17 mm diam.; hypanthium hairy; sepals narrowly triangular, margins slightly incised; stamens 20, anthers deep rose to red; styles 1 or 2(or 3). 2n = 34, 51.

Flowering Mar–Apr; fruiting Sep–Nov. Alluvial and other woodlands, light shade, open areas, calcareous or mafic rock, uplands; 10–500 m; Ala., Ark., Fla., Ga., Ill., Ky., La., Miss., Mo., N.C., Okla., S.C., Tenn., Tex., Va.

Crataegus marshallii is common in the southeastern United States; reports from Kansas are unconfirmed. The exfoliating bark is an attractive ornamental characteristic.

Crataegus apiifolia (Marshall) Michaux is an illegitimate name.


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