Chisos Red Oak vs Common Oak

Quercus gravesii compared with Quercus robur

Taxonomic Classification

Rank	Chisos Red Oak	Common Oak
Kingdom same	Plantae (식물)	Plantae (식물)
Phylum same	Magnoliophyta (피자식물문)	Magnoliophyta (피자식물문)
Class same	Magnoliopsida (목련강)	Magnoliopsida (목련강)
Order same	Fagales (참나무목)	Fagales (참나무목)
Family same	Fagaceae (Beech Family)	Fagaceae (Beech Family)
Genus same	Quercus (Oaks)	Quercus (Oaks)
Species	Quercus gravesii	Quercus robur

Evolutionary Relationship

Chisos Red Oak and Common Oak share a common ancestor at the Genus level: Quercus. (Oaks)

Conservation Status

Chisos Red Oak

LC — Least Concern

Common Oak

LC — Least Concern

Trend: Stable →

Physical Characteristics

Attribute	Chisos Red Oak	Common Oak
Diet	—	Autotroph
Average Lifespan	—	1000 years
Average Length	—	25.0 m
Average Weight	—	—

Habitat & Geographic Range

Chisos Red Oak

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Common Oak

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Africa (Lesotho, South Africa), Asia (Armenia, India), Europe (8 countries), North America (Canada, United States), Oceania and the Pacific (Australia, New Zealand), and South America (4 countries).

Chisos Red Oak

The Chisos Red Oak (Quercus gravesii) is a medium-sized deciduous oak native to the mountain ranges of the Trans-Pecos region of Texas and extending into adjacent areas of northeastern Mexico, including the Sierra Madre Oriental foothills. It belongs to the red oak group (section Lobatae) within the family Fagaceae, characterised by leaves with lobes ending in bristle tips and acorns that take two seasons to ripen. Quercus gravesii typically grows on rocky slopes and canyon walls at mid to high elevations, forming part of diverse Madrean woodland and pinyon-juniper communities alongside other oaks, junipers, and conifers. Its foliage turns red and orange in autumn, providing a striking display in the typically muted desert mountain landscape. The species is an important component of its ecosystem, providing food and habitat for numerous birds and mammals; acorns are consumed by jays, woodpeckers, deer, and small rodents. Hypnotic hybridisation with related oak species is documented in areas of sympatry. The IUCN classifies Chisos Red Oak as Least Concern, with populations considered stable across its range. It is well represented within protected areas including Big Bend National Park and the Davis Mountains. Threats are limited but include drought stress exacerbated by climate change and browsing pressure from white-tailed deer.

Common Oak

유럽에서 가장 중요하고 널리 분포하는 낙엽수 중 하나인 영국참나무(Quercus robur)는 1,000년 이상 살 수 있으며 높이 40m에 달하고, 어떤 유럽 수종보다 다양한 생물다양성을 지원한다. 2,300종 이상의 곤충·균류·지의류·이끼·조류가 노령 참나무에 직접 의존한다. 유럽 전역에서 서아시아에 이르는 온대림에 분포하며, 단단하고 내구성 있는 목재는 역사적으로 조선, 건축, 통 제조에 필수적이었다.