Difference between revisions of "Crataegus macrosperma Ashe (Q4278)"
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Latest revision as of 13:35, 24 June 2022
Crataegus macrosperma is a taxon with the rank species within the series Crataegus ser. Tenuifoliae
| Language | Label | Description | Also known as |
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| English |
Crataegus macrosperma Ashe
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Crataegus macrosperma is a taxon with the rank species within the series Crataegus ser. Tenuifoliae
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Statements
taxon/id/Crataegus macrosperma Ashe
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Crataegus macrosperma Ashe
Crataegus macrosperma
Ashe
FNA Editorial Committee. 2014. Flora of North America north of Mexico. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae. Oxford University Press, New York.
accepted
1 reference
CA-NB
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Hinds, H.R. 2000. Flora of New Brunswick : a manual for the identification of the vascular plants of New Brunswick. 2nd edition. Biology Department, University of New Brunswick, Fredericton. 699 pp.
Newfoundland, CA
present
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Meades, S., S.G. Hay & L. Brouillet. 2000. Annotated Checklist of the Vascular Plants of Newfoundland and Labrador. Published in association with A Digital Flora of Newfoundland and Labrador Vascular Plants. http://www.digitalnaturalhistory.com/meades.htm (consulted 2009-09-02) http://www.digitalnaturalhistory.com/meades.htm
CA-NS
1 reference
Roland, A.E. & E.C. Smith. 1969. The Flora of Nova Scotia. Nova Scotia Museum, Halifax, N.S. [Reprinted from Proc. N.S. Inst. Sci. 26]
CA-ON
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Newmaster, S.G., A. Lehela, M.J. Oldham, P.W.C. Uhlig & S. McMurray. 1998. Ontario Plant List. Ontario Forest Research Institute, Sault Ste. Marie, Ontario. Forest Information Paper No. 123. 550 pp.
CA-QC
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Marie-Victorin, Fr. 1995. Flore laurentienne. 3e éd. Mise à jour et annotée par L. Brouillet, S.G. Hay, I. Goulet, M. Blondeau, J. Cayouette et J. Labrecque. Gaétan Morin éditeur. 1093 pp.
CA-NB
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CA-NL
Nfld. and Labr. (Nfld.)
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CA-NS
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CA-ON
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CA-PE
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CA-QC
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US-AL
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US-AR
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US-CT
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US-IL
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US-IN
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US-KY
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US-ME
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US-MD
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US-MA
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US-MI
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US-MN
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US-NH
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US-NJ
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US-NY
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US-NC
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US-OH
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US-PA
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US-RI
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US-TN
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US-VT
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US-VA
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US-WV
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US-WI
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Shrubs or trees, multistemmed, 30–70 dm.
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thorns on twigs 1-year old shiny, deep brown to blackish, often black-tipped, stout to slender, 2.5–6 cm.
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Leaves: petiole length 30–60% blade, sparsely to densely glandular;
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blade ovate, 3–6 (–9) cm, 70–100% mature size at anthesis, base subcordate, truncate, or rounded to cuneate, lobes 3–6 per side, sinuses moderately deep, lobe apex acute to acuminate, margins serrate, teeth numerous, small, larger ones conspicuously glandular, particularly at base, smaller ones inconspicuously gland-tipped, veins 4–7 per side, apex acute, adaxial surface densely appressed-scabrous-pubescent young, glabrescent, rarely glabrate.
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Inflorescences 5–12-flowered;
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branches glabrous;
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bracteoles usually absent (even young), sometimes few to several, often red-tinged, ± linear.
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Flowers 13–17 (–22) mm diam.;
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hypanthium glabrous;
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sepals 4–5 mm, margins subentire, abaxially glabrous;
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stamens 5–10, anthers pink to reddish purple;
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Pomes bright to deep red, suborbicular to ellipsoid, 8–15 mm diam.;
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sepals erect-patent or erose;
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glandular
30-60%; sparsely to densely
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