Difference between revisions of "Crataegus (sect. Crataegus) ser. Microcarpae"
Man. Cult. Trees ed. 2, 367. 1940.
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|publication year=1940 | |publication year=1940 | ||
|special status=Endemic | |special status=Endemic | ||
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|subfamily=Rosaceae subfam. Amygdaloideae | |subfamily=Rosaceae subfam. Amygdaloideae | ||
|tribe=Rosaceae tribe Gillenieae | |tribe=Rosaceae tribe Gillenieae | ||
Latest revision as of 22:59, 5 November 2020
Shrubs or trees, 30–70 dm. Stems: trunk bark cream to cinnamon brown or light gray-brown in patches, in shade darker patches pale tan or olive green, exfoliating with smooth, thin flakes; compound thorns on trunks sometimes present; thorns on twigs determinate. Leaves long-persistent: petiole length 5–30% blade; blade narrowly or broadly spatulate, narrow, 1.5–3 cm, coriaceous, lobes 0 or 1 per side, sinuses ± shallow to deep, venation craspedodromous, veins to lobes and deeper sinuses; blades on extension shoots usually more diverse in shape, larger, more deeply incised. Inflorescences 20–30-flowered; branches glabrous; bracteoles ± caducous, linear, small, membranous to herbaceous, margins usually eglandular, sometimes ± stipuliform. Flowers 10 mm diam.; sepals triangular; stamens 20, anthers pale yellow; styles 3–5. Pomes bright orange-red, orbicular, 3–5 mm diam., matte to glossy; sepal remnants persistent; pyrenes 3–5, dorsally obscurely grooved, sides plane apical quarters exposed.
Distribution
sc, se United States.
Discussion
Species 1.
Selected References
None.