SafePlants

Cressa truxillensis - Spreading Alkaliweed

Cressa truxillensis, commonly known as spreading alkaliweed or alkali weed, is a flowering plant belonging to the morning glory family.

Considerations for Pets

• This plant is described as low and sprawling, potentially making it accessible to pets.

Taxonomy and Nomenclature

• Scientific Name: Cressa truxillensis Kunth
• Common Names: Spreading alkaliweed, Alkali weed
• Family: Convolvulaceae (Morning glory family)
• Kingdom: (Based on the information about "Leafless Alkali-weed (Cressa nudicaulis)" and "Spreading Alkali-weed (Cressa truxillensis)" both sharing the same "Kingdom" followed by "Classification," we can deduce they are in the same kingdom, although it is not explicitly named).
• Taxonomic Rank: Species

Distribution and Habitat

• Cressa truxillensis is native to the western United States.
• It is called "alkaliweed" due to its growth in alkaline soil.
• It can be found in wet saline areas and wetland environments.
• One observation was recorded in Washoe Valley, elevation 1535 m (5030 ft).

Morphological Characteristics

• It is a low, white-hairy perennial herb.
• It is usually much branched from the base, forming sprawling, tufted plants.
• Plants typically grow to 3-10 inches in height.
• Leaves are many.
• Erect stems can grow up to 10 inches tall.
• Leaves are opposite, narrow, and succulent.
• Flowers are pink or magenta and bloom from April to May.

Ecological Role

• The plant is described as a "pernicious weed" that grows on alkali ground, suggesting it can be invasive or difficult to manage in certain environments.

Interactions with Other Organisms

• The text mentions "Known Pests and Problems for Nakedstem Alkaliweed Cressa nudicaulis," implying potential interactions with pests.

Quirky Facts

• The first known use of the term "alkali weed" was in 1875.

Further Information

• USDA-NRCS PLANTS Database
• Discover Life
• CalPhotos
• Dave's Garden