Difference between revisions of "Crataegus cognata Sargent (Q4299)"
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Latest revision as of 13:35, 24 June 2022
Crataegus cognata is a taxon with the rank species within the series Crataegus ser. Pruinosae
| Language | Label | Description | Also known as |
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Crataegus cognata Sargent
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Crataegus cognata is a taxon with the rank species within the series Crataegus ser. Pruinosae
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Statements
taxon/id/Crataegus cognata Sargent
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Crataegus cognata Sargent
Crataegus cognata
Sargent
FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
accepted
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CA-ON
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CA-QC
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CA-ON
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US-MA
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US-MI
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US-MO
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US-NY
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50–300 m
50 meter
300 meter
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Stems: main branches often suberect;
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thorns on twigs numerous, straight to slightly recurved, 2-years old black, shiny, ± slender, 3–5 cm.
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Leaves: petiole length 28–36% blade, eglandular or with 1–2 glands distally;
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blade ovate, 3.5–5.5 cm, subcoriaceous, base broadly cuneate to truncate, lobes 3 (or 4) per side, sinuses shallow, lobe apex subacute, margins crenate-serrate, veins 5–7 per side, apex subacute, surfaces glabrous.
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Inflorescences 4-flowered or 5-flowered;
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branches glabrous;
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bracteole margins short-stipitate-glandular.
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Flowers 17–19 mm diam.;
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hypanthium glabrous;
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sepals narrowly triangular, 5 mm, base broad, margins subentire, abaxially glabrous;
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stamens 20, anthers white, 0.6–0.8 mm;
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Pomes green with pink or purple pruinosity, becoming orange-red or crimson, 8–10 mm diam.;
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sepals on collar, spreading-reflexed;
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pyrenes 3 or 4.2n = 51.
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green with pink or green with purple
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