Quercus emoryi

Cet article est une ébauche concernant les fagacées.

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Quercus emoryi

chêne d'Emory

Classification
Règne	Plantae
Division	Magnoliophyta
Classe	Magnoliopsida
Sous-classe	Hamamelidae
Ordre	Fagales
Famille	Fagaceae
Genre	Quercus

Espèce

Quercus emoryi
Torr., 1848^[1]

Classification phylogénétique

Classification phylogénétique
Ordre	Fagales
Famille	Fagaceae

Le chêne d'Emory (Quercus emoryi) est un arbre de la famille des Fagaceae à feuillage semi-persistant^[2]. Cette espèce de chêne est commune dans l'Arizona, le Nouveau-Mexique et dans l'Ouest du Texas (Big Bend National Park) aux États-Unis, et dans le Nord du Mexique (Basse-Californie du Nord, Chihuahua, nord du Coahuila, Durango, San Luis Potosí, Zacatecas^[2]). Il pousse généralement dans les milieux secs collinéens de moyennes altitudes.

C'est un chêne du groupe des chênes rouges, gardant ses feuilles pendant l'hiver jusqu'à ce que les nouvelles feuilles apparaissent au printemps, et c'est un buisson large ou un petit arbre atteignant 5 à 17 m en hauteur. Les feuilles mesurent 3 à 6 cm de long, sont entières ou à bord ondulé, coriaces, vert sombre sur le dessus, plus clair sur le dessous. Les glands mesurent 1,5 à 2 cm de long, brun noirâtre, et sont mures en 6 à 8 mois après la pollinisation; la graine est douce, et est une aliment important pour beaucoup de mammifères et d'oiseaux.

L'arbre rend hommage au lieutenant William Hemsley Emory, qui arpenta la partie occidentale du Texas où l'espèce fut découverte en 1846.

Notes et références

↑ IPNI. International Plant Names Index. Published on the Internet http://www.ipni.org, The Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries and Australian National Botanic Gardens., consulté le 12 juillet 2020
↑ ^{a et b} Guide illustré des chênes tome 2 p210, Antoine le Hardÿ de Beaulieu et Thierry Lamant, Édition du 8e

Liens externes

Sur les autres projets Wikimedia :

Quercus emoryi, sur Wikimedia Commons

(en) Référence IPNI : Quercus emoryi
Flora of North America: Quercus emoryi
USDA Plants Profile: Quercus emoryi

v · m

Quercus

Sous-genre Cyclobalanopsis

Sous-genre Quercus
Section Lobatae	Quercus acerifolia Quercus agrifolia Quercus arkansana Quercus buckleyi Quercus canbyi Quercus castanea Quercus coccinea Quercus costaricensis Quercus cualensis Quercus depressa Quercus eduardii Quercus ellipsoidalis Quercus emoryi Quercus falcata Quercus gravesii Quercus graciliformis Quercus georgiana Quercus hemisphaerica Quercus hintoniorum Quercus hirtifolia Quercus humboldtii Quercus hypoleucoides Quercus hypoxantha Quercus ilicifolia Quercus iltisii Quercus imbricaria Quercus incana Quercus inopina Quercus kelloggii Quercus laevis Quercus laurifolia Quercus laurina Quercus marilandica Quercus myrtifolia Quercus nigra Quercus pagoda Quercus palustris Quercus phellos Quercus pumila Quercus robusta Quercus rysophylla Quercus rubra Quercus salicifolia Quercus sapotifolia Quercus seemannii Quercus shumardii Quercus tardifolia Quercus texana Quercus velutina Quercus viminea Quercus wislizeni Quercus xalapensis
Section Protobalanus	Quercus cedrosensis Quercus chrysolepis Quercus palmeri Quercus tomentella Quercus vacciniifolia
Section Quercus	Quercus acrodonta Quercus ajoensis †Quercus furuhjelmi Quercus acutissima Quercus alba Quercus aliena Quercus alnifolia Quercus arizonica Quercus austrina Quercus berberidifolia Quercus bicolor Quercus boyntonii Quercus brantii Quercus calliprinos Quercus canariensis Quercus carmenensis Quercus castaneifolia Quercus cerris Quercus chapmanii Quercus chihuahuensis Quercus coccifera Quercus copeyensis Quercus cornelius-mulleri Quercus dalechampii Quercus dentata Quercus depressipes Quercus deserticola Quercus dilatata Quercus diversifolia Quercus douglasii Quercus dumosa Quercus durata Quercus engelmannii Quercus faginea Quercus frainetto Quercus franchetii Quercus fusiformis Quercus gambelii Quercus garryana Quercus geminata Quercus glaucoides Quercus grisea Quercus hartwissiana Quercus havardii Quercus hinckleyi Quercus hondurensis Quercus ilex Quercus infectoria Quercus insignis Quercus intricata Quercus john-tuckeri Quercus laceyi Quercus lanata Quercus leucotrichophora Quercus libani Quercus lobata Quercus lusitanica Quercus lyrata Quercus macranthera Quercus macrocarpa Quercus macrolepis Quercus margarettae Quercus michauxii Quercus minima Quercus mohriana Quercus mongolica Quercus muehlenbergii Quercus oblongifolia Quercus oglethorpensis Quercus oleoides Quercus peduncularis Quercus petraea Quercus polymorpha Quercus pontica Quercus prinoides Quercus prinus Quercus pubescens Quercus pungens Quercus pyrenaica Quercus robur Quercus rugosa Quercus sadleriana Quercus sagraeana Quercus semecarpifolia Quercus similis Quercus sinuata Quercus stellata Quercus suber Quercus toumeyi Quercus trojana Quercus turbinella Quercus variabilis Quercus vaseyana Quercus virginiana Quercus vulcanica

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