Leaf epidermal features of Quercus Group Ilex (Fagaceae) and their application to species identification

Deng, Min; Jiang, Xiao‐Long; Coombes, Allen; Yang, Xiao-Rui; Xiong, Yanshi; Li, Qiansheng

doi:10.1016/j.revpalbo.2016.11.006

Cited by 19 publications

(22 citation statements)

References 54 publications

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“…Similar mismatches between traditional classification and DNA-based groups are encountered for all large infrageneric groups and will pose a major challenge when searching for morphological criteria to subdivide sections within oaks. For example, while it has long been noticed that characters of the indumentum of the abaxial leaf surface provide valuable information for species delimitation (Manos 1993;Nixon 2002;Tschan and Denk 2012;Deng et al 2015Deng et al , 2017, these characters appear to have evolved convergently in related and unrelated groups (Tschan and Denk 2012;Deng et al 2017).…”

Section: Infrasectional Classification: the Big Challengementioning

confidence: 99%

An updated infrageneric classification of the oaks: review of previous taxonomic schemes and synthesis of evolutionary patterns

Denk¹,

Grimm²,

Manos³

et al. 2017

Preprint

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102

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Lobatae (red oaks) and Group Quercus (white oaks, with most species in America and some 30 species in Eurasia). The main morphological feature characterising these phylogenetic lineages is pollen morphology, a character overlooked in traditional classifications. This realisation, along with the now available (molecular-)phylogenetic framework, opens new avenues for biogeographic, ecological and evolutionary studies and a re-appraisal of the fossil record. We provide an overview about recent advances in these fields and outline how the results of these studies contribute to the establishment of a unifying systematic scheme of . CC-BY-ND 4.0 International license not peer-reviewed) is the author/funder. It is made available under a

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Section: Infrasectional Classification: the Big Challengementioning

confidence: 99%

An updated infrageneric classification of the oaks: review of previous taxonomic schemes and synthesis of evolutionary patterns

Denk¹,

Grimm²,

Manos³

et al. 2017

Preprint

Self Cite

102

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“…Based on the modern situation, we have to consider that the two fossil-taxa Quercus drymeja and Q. mediterranea represent different (two or more) biological species in some assemblages, and a single species in others. Aside from this, they clearly fall within the range of the well-circumscribed Quercus Group Ilex (leaf morphology, pollen morphology; Kvaček et al, 2002;Menitsky, 2005;Denk and Grimm, 2009;Denk and Tekleva, 2014;Deng et al, 2017). Grimm, 2009, 2010 Kvaček et al (2002,2011) found that the abaxial leaf epidermis in Q. drymeja from Vegora, Greece, differed from extant Q. ilex by its almost hairless abaxial leaf surface, and that leaf epidermal features of Q. drymeja and Q. mediterranea were fairly similar.…”

Section: Taxonomic Affinity and Phylogenetic Context Of Sclerophylloumentioning

confidence: 66%

“…Further, in the few cases, where leaf cuticles were preserved (e.g. Gotse Delchev Basin, late Miocene, Palamarev and Tsenov, 2004; Vegora, late Miocene, Arjuzanx, middle Miocene, Kvaček et al, 2002Kvaček et al, , 2011, closest similarities of the leaf epidermis was found with modern species belonging to Quercus Group Ilex (see Deng et al, 2017). Secondly, early Miocene localities with abundant Q. drymeja yield abundant dispersed pollen of Quercus Group Ilex but none of Group Quercus/Lobatae (supplementary information, Plates SI I, SI II).…”

Section: Taxonomic Affinity and Phylogenetic Context Of Sclerophylloumentioning

confidence: 89%

“…Quercus drymeja foliage from Arjuzanx, France, resembling the Güvem MT of the present study also showed leaf epidermal characteristics consistent with the material from Vegora. In a recent investigation, Deng et al (2017) Quercus drymeja might be related to "less hairy species in mesophytic and broaleaved evergreen forests". A number of potential modern analogues of Quercus drymeja Floribunda MT recognized in the present study exactly match these criteria (Q. floribunda, Q. tarokoensis, Q. tatakaensis; see Deng et al, 2017, table 3).…”

Section: Taxonomic Affinity and Phylogenetic Context Of Sclerophylloumentioning

confidence: 99%

“…For Q. drymeja, they found identical leaf epidermal features in the material from southwestern France and the material from northern Greece. Most recently, Deng et al (2017) investigated all living members of Group Ilex and concluded that based on the scanty record of leaf epidermal characteristics of Q. drymeja most similarities are with "less hairy species in mesophytic and broadleaved evergreen forests, e.g., Q. cocciferoides and Q. baronii."…”

Section: The Fossil Record Of Sclerophyllous Oaks In Europementioning

confidence: 99%

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Taxonomy and palaeoecology of two widespread western Eurasian Neogene sclerophyllous oak species: Quercus drymeja Unger and Q. mediterranea Unger

Denk

Velitzelos

Güner

et al. 2017

Review of Palaeobotany and Palynology

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Variations in morphological and epidermal features of shade and sun leaves of two species: Quercus bambusifolia and Q. myrsinifolia

Маслова

Karasev

et al. 2021

American J of Botany

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Premise: Microclimatic differences between the periphery and the interior of tree crowns result in a variety of adaptive leaf macromorphological and anatomical features. Our research was designed to reveal criteria for sun/shade leaf identification in two species of evergreen oaks, applicable to both modern and fossil leaves. We compared our results with those in other species similarly studied. Methods: For both Quercus bambusifolia and Q. myrsinifolia (section Cyclobalanopsis), leaves from single mature trees with well-developed crowns were collected in the South China Botanical Garden, Guangzhou, China. We focus on leaf characters often preserved in fossil material. SVGm software was used for macromorphological measurement. Quantitative analyses were performed and box plots generated using R software with IDE Rstudio. Leaf cuticles were prepared using traditional botanical techniques. Results: Principal characters for distinguishing shade and sun leaves in the studied oaks were identified as leaf lamina length to width ratio (L/W), and the degree of development of venation networks. For Q. myrsinifolia, shade and sun leaves differ in tooth morphology and the ratio of toothed lamina length to overall lamina length. The main epidermal characters are ordinary cell size and anticlinal wall outlines. For both species, plasticity within shade leaves exceeds that of sun leaves. Conclusions: Morphological responses to sun and shade in the examined oaks are similar to those in other plant genera, pointing to useful generalizations for recognizing common foliar polymorphisms that must be taken into account when determining the taxonomic position of both modern and fossil plants.

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Leaf epidermal features of Quercus Group Ilex (Fagaceae) and their application to species identification

Cited by 19 publications

References 54 publications

An updated infrageneric classification of the oaks: review of previous taxonomic schemes and synthesis of evolutionary patterns

An updated infrageneric classification of the oaks: review of previous taxonomic schemes and synthesis of evolutionary patterns

Taxonomy and palaeoecology of two widespread western Eurasian Neogene sclerophyllous oak species: Quercus drymeja Unger and Q. mediterranea Unger

Variations in morphological and epidermal features of shade and sun leaves of two species: Quercus bambusifolia and Q. myrsinifolia

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