SafePlants

Quercus oblongifolia: The Mexican Blue Oak

Quercus oblongifolia, commonly known as the Mexican blue oak or Sonoran blue oak, is an evergreen tree or large shrub belonging to the white oak group.

Taxonomy and Nomenclature

• Scientific Name: Quercus oblongifolia
• Common Names: Mexican blue oak, Sonoran blue oak
• Family: Fagaceae (implied through being an oak)

Distribution and Habitat

• This oak species is found in the southwestern U.S. and adjacent Mexico.
• It primarily grows in dry, sunny regions.

Brahea armata: The Mexican Blue Palm

Brahea armata, commonly known as Mexican blue palm or blue hesper palm, is a striking palm species widely cultivated as an ornamental plant.

Taxonomy and Nomenclature

• Scientific Name: Brahea armata
• Common Names: Mexican blue palm, blue hesper palm, blue palm, sweet brahea

Distribution and Habitat

• Native to Baja California.

Morphological Characteristics

• Solitary palm tree that can grow up to 40 feet (13 m) tall.
• Features a gray, smooth trunk about 18 inches (45 cm) in diameter, marked with leaf scars or persistent dead leaves.
• Leaves are sky blue, fan-shaped, and can reach 3-5 feet across.
• Flowers hang in pendant clusters.

Ruellia simplex: The Mexican Petunia

Ruellia simplex, commonly called Mexican petunia or Texas petunia, is a vibrant plant known for its colorful blooms.

Taxonomy and Nomenclature

• Scientific Name: Ruellia simplex
• Common Names: Mexican petunia, Texas petunia, Mexican blue bell

Morphological Characteristics

• It typically grows in an upright fashion.