Crataegus ser. Molles
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! colspan=2 style="color:inherit; text-align: center; background-color: rgb(180,250,180)" | Crataegus ser. Molles
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| colspan=2 style="text-align: center; font-size: 88%" | Crataegus pennsylvanica fruit
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! colspan=2 style="color:inherit; min-width:15em; text-align: center; background-color: rgb(180,250,180)" | Scientific classification 
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|Kingdom:
|Plantae
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|Clade:
|Tracheophytes
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|Clade:
|Angiosperms
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|Clade:
|Eudicots
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|Clade:
|Rosids
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|Order:
|Rosales
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|Family:
|Rosaceae
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|Genus:
|Crataegus
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|Section:
|Crataegus sect. Coccineae
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|Series:
|Crataegus ser. Molles
(Beadle ex Sarg.) Rehder[1]
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Series Molles is a series within the genus Crataegus that contains at least six species of hawthorn trees and shrubs, native to Eastern North America. Some of the species are cultivated as ornamental plants.[2] They have relatively large leaves, large flowers, and bloom early for hawthorns.[2] The plant parts are usually hairy, particularly in early growth, and the fruit are generally red (sometimes yellow) and are large for hawthorn fruit (up to 2.5 cm diameter in some species).[2]
Species
The principal species in the series are:[2]
- Crataegus brazoria
- Crataegus lanuginosa
- Crataegus mollis
- Crataegus submollis
- Crataegus pennsylvanica
- Crataegus texana
The following rare local species appear to be hybrid derivatives of series Molles:[2]
References
- ^ Phipps, J.B.; O’Kennon, R.J.; Lance, R.W. 2003. Hawthorns and medlars. Royal Horticultural Society, Cambridge, U.K.
- ^ a b c d e Phipps, J.B. (2015), "Crataegus Linnaeus (sect. Coccineae) ser Molles (Sargent) Rehder, Man. Cult. Trees ed. 2 361. 1940", in L. Brouillet; K. Gandhi; C.L. Howard; H. Jeude; R.W. Kiger; J.B. Phipps; A.C. Pryor; H.H. Schmidt; J.L. Strother; J.L. Zarucchi (eds.), Flora of North America North of Mexico, vol. Volume 9: Magnoliophyta: Picramniaceae to Rosaceae, New York, Oxford: Oxford University Press, pp. 551–557
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