Overview

Comprehensive Description

Description

Trees or shrubs, monoecious or dioecious, with or without spines. Stipules paired, caducous. Leaves alternate, simple, often asymmetrical, usually 3-nerved at base. Flowers in small axillary cymes or clusters or solitary, unisexual or bisexual. Sepals 4-5(-8), free or shortly united, persistent. Petals 0. Stamens 4-8, rarely more, free, opposite the perianth lobes. Ovary superior, 1-2-locular; ovules solitary, pendulous; styles 2, terminal, divergent. Fruit dry or thinly fleshy.
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© Mark Hyde, Bart Wursten and Petra Ballings

Source: Flora of Zimbabwe

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Ecology

Associations

Foodplant / gall
Aculus ulmicola causes gall of live leaf of Ulmaceae

Foodplant / gall
Agrobacterium tumefaciens causes gall of stem (esp. base) of Ulmaceae

In Great Britain and/or Ireland:
Foodplant / gall
egg of Blepharidopterus angulatus causes gall of twig (1-2 years old) of Ulmaceae

Foodplant / sap sucker
Chionaspis salicis sucks sap of live stem of Ulmaceae

Foodplant / internal feeder
caterpillar of Cossus cossus feeds within live trunk of Ulmaceae

Foodplant / web feeder
communal caterpillar of Malacosoma neustria feeds from web on live leaf of Ulmaceae

Foodplant / pathogen
Tubercularia anamorph of Nectria cinnabarina infects and damages branch of Ulmaceae
Remarks: season: 1-12

Foodplant / sap sucker
Orthotylus ochrotrichus sucks sap of Ulmaceae
Other: major host/prey

Foodplant / internal feeder
caterpillar of Zeuzera pyrina feeds within live bud of Ulmaceae

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records: 275
Specimens with Sequences: 361
Specimens with Barcodes: 220
Species: 44
Species With Barcodes: 43
Public Records: 80
Public Species: 23
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Barcode data

Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Ulmaceae

Ulmaceae /ʌlˈms/ is a family of flowering plant that includes the elms (genus Ulmus), and the zelkovas (genus Zelkova).[1] Members of the family are widely distributed throughout the north temperate zone, and have a scattered distribution elsewhere except for Australasia.[2][3]

The family was formerly sometimes treated to include the hackberries, (Celtis and allies), but analysis by the Angiosperm Phylogeny Group members suggests that these genera are better placed in the related family Cannabaceae. The circumscription included in the taxobox is the one suggested by P. Stevens on his Missouri Botanical Garden Angiosperm Phylogeny Website and includes information from the Royal Botanic Gardens, Kew Vascular Plant Families and Genera list.[3] Some classifications also include the genus Ampelocera.[4]

Description[edit]

The family is a group of evergreen or deciduous trees and shrubs with mucilagenous substances in leaf and bark tissue. Leaves are usually alternate on the stems. The leaf blades are simple (not compound), with entire (smooth) or variously toothed margins, and often have an asymmetrical base. The flowers are small and either bisexual or unisexual.[5] The fruit is an indehiscent samara, nut, or drupe. Ulmus provides important timber trees mostly for furniture, and U. rubra, the Slippery elm is a medicinal plant known for the demulcent property of its inner bark. Planera aquatica is also a timber species. Planera, Ulmus, and Zelkova are all grown as ornamental trees.

References[edit]

  1. ^ Denk, T; GW Grimm (February 2005). "Phylogeny and biogeography of Zelkova (Ulmaceae sensu stricto) as inferred from leaf morphology, ITS sequence data and the fossil record". Botanical Journal of the Linnean Society (Linnean Society of London) 147 (2): 129–157. doi:10.1111/j.1095-8339.2005.00354.x. 
  2. ^ Watson, L.; Dallwitz, M. J. (1992 onwards). "The Families of Flowering Plants: Ulmaceae Mirb.". Retrieved 21 November 2006. 
  3. ^ a b Stevens, P (2001 onwards). "Angiosperm Phylogeny Website". Missouri Botanical Garden. Retrieved 21 November 2006. 
  4. ^ Uedal, Kunihiko; K Kosuge and H Tobe (June 1997). "A molecular phylogeny of celtidaceae and ulmaceae (Urticales) based onrbcL Nucleotide sequences". Journal of Plant Research (Springer Japan) 110 (2): 171–178. doi:10.1007/BF02509305. 
  5. ^ Sytsma, KJ; J Morawetz; C Pires; M Nepokroeff; E Conti; M Zjhra; JC Hall; MW Chase (2002). "Urticalean rosids: Circumscription, rosid ancestry, and phylogenetics based on RBCL, TRNL-F, and NDHF sequences". American Journal of Botany (Botanical Society of America) 89 (9): 1531–1546. doi:10.3732/ajb.89.9.1531. PMID 21665755. 
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Source: Wikipedia

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