Quercus obtusata

Names and Synonyms

Scientific Names

Accepted name

Synonyms

• Quercus spicata
• Quercus atriglans
• Quercus hartwegii
• Quercus hartwegii f. glabrata
• Quercus obtusata var. hartwegii
• Quercus obtusata var. pandurata
• Quercus pandurata var. hartwegii
• Quercus panduriformis
• Quercus panduriformis f. colimensis
• Quercus panduriformis f. rubrinervis
• Quercus alvarezensis

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta, falling under the class Equisetopsida and subclass Magnoliidae. Within the order Fagales, it is classified under the family Fagaceae. Finally, it is identified by its genus, Quercus.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant is natively found throughout several key regions of Mexico. Its presence is documented across the central parts of the country within Mexico Central. Additionally, the species can be located in the northeastern territories of Mexico Northeast. It also maintains a distribution within the coastal areas of Mexico Gulf. Finally, the plant extends its range into the regions of Mexico Southwest.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Life history

The life history of Quercus obtusata is characterized by its classification as a phanerophyte, a growth form where the perennating buds are located on aerial branches well above the ground level. Within this category, its developmental strategy is specifically identified as a phanerophyte, ensuring its survival through seasonal changes by protecting its reproductive and vegetative buds high on its woody structure. As a long-lived perennial woody species, it follows a lifecycle that begins with seed germination, followed by a period of establishment and significant secondary growth, eventually reaching a mature canopy stage where it dominates its ecological niche.

Life form :

phanerophyte

Morphology

The morphology of Quercus obtusata is characterized by its stature as a robust, woody tree, exhibiting a self-supporting growth form that distinguishes it from climbing or vine-like structures. As an independent organism, it does not function as a parasite or an epiphyte, maintaining a strictly terrestrial existence rather than occupying aquatic or semiaquatic niches. Its structural integrity is defined by its woody nature, providing the necessary stability for its life cycle as a permanent, self-supporting botanical entity.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

tree

Parasite :

independent

Woodiness :

woody

Physiology

The physiology of Quercus obtusata is characterized by its utilization of the C3 photosynthetic pathway, a fundamental metabolic process wherein carbon dioxide is initially fixed into a three-carbon compound through the action of the enzyme RuBisCO during the Calvin cycle. As a member of the Fagaceae family, its physiological mechanisms are optimized for temperate environments, involving complex gas exchange processes through stomatal regulation to balance carbon assimilation with transpirational water loss. The plant's metabolic efficiency is closely tied to its leaf anatomy and the coordination of light-harvesting complexes within the chloroplasts to drive the conversion of solar energy into chemical energy. This C3 mechanism dictates its resource allocation strategies, influencing how the plant manages photosynthetic efficiency, nitrogen investment in enzymes, and its overall adaptation to seasonal fluctuations in light intensity and moisture availability.

Photosynthetic pathway :

C3

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Quercus obtusata has 6 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include Kaempferol 3-O-glucoside, Kaempferol 3-O-sambubioside, Kaempferol 3-O-sophoroside, Luteolin 7-O-glucoside, Ursolic acid.

Kaempferol 3-O-glucoside

1. Plants (Basel, Switzerland)

Kaempferol 3-O-sambubioside

1. Plants (Basel, Switzerland)

Kaempferol 3-O-sophoroside

1. Plants (Basel, Switzerland)

Luteolin 7-O-glucoside

1. Plants (Basel, Switzerland)

Ursolic acid

1. Plants (Basel, Switzerland)

scopoletin

1. Plants (Basel, Switzerland)