Family: Polygonaceae
Author: Torr.
Bibliography: Pacif. Railr. Rep. Williamson & Abbot, Bot. 5(2; 7): 364 (1857)
Year: 1857
Status: accepted
Rank: species
Genus: Eriogonum
Vegetable: False
Observations: SW. U.S.A. to NW. Mexico
Description
Thomas’ buckwheat (Eriogonum thomasii) is a distinct and resilient species of plant belonging to the Polygonaceae family. It was first described scientifically in 1857 in the Pacific Railroad Report by Williamson & Abbot, a notable publication that included contributions to the field of botany. The plant earned its classification and formal description from the botanist Torr., underlining its historical importance and recognition within botanical studies.
This species is native to the southwestern regions of the United States, extending its habitat into the northwestern territories of Mexico. Adaptable to various environmental conditions, Thomas’ buckwheat thrives in the arid and semi-arid climates characteristic of these regions, displaying a remarkable tolerance for drought and poor soil conditions.
Eriogonum thomasii, or Thomas’ buckwheat, typically features a low-growth habit, forming dense mats or small, rounded clumps that are often covered with small, fine hairs, giving it a somewhat fuzzy appearance. Its leaves are generally small and spoon-shaped, with many variations in coloration and texture influenced by its growing conditions. During its blooming season, this buckwheat produces clusters of tiny, delicate flowers that can range in color from white to pink and yellow, attracting various pollinators.
The presence of Thomas’ buckwheat in its native habitats provides significant ecological benefits, offering food and habitat to numerous insects and wildlife, thus contributing to the biodiversity and stability of the ecosystems in which it resides. It is also valued for its ornamental properties, making it a popular choice for gardeners and landscapers seeking hardy, drought-resistant plants.
Understanding and preserving species like Eriogonum thomasii is essential for maintaining the ecological balance in its natural range, as well as for educational and practical gardening purposes. Its adaptability and resilience make it a beautiful and enduring component of the southwestern United States’ and northwestern Mexico’s flora.
Common Names
Eng: thomas’ buckwheat
En: Thomas’ buckwheat, Thomas buckwheat
Synonyms
- Eriogonum minutiflorum (S.Watson)
Distribution
- Arizona (native)
- California (native)
- Mexico Northwest (native)
- Nevada (native)
- Utah (native)
Additional Images
Habit
Taken May 4, 2012 by EOL − Keir Morse (cc-by-nc-sa)
Taken May 4, 2012 by EOL − Keir Morse (cc-by-nc-sa)
Taken Mar 15, 2007 by EOL − Richard Zmasek (cc-by-nc-sa)
Taken Mar 15, 2007 by EOL − Richard Zmasek (cc-by-nc-sa)
Taken Apr 3, 2010 by EOL − Gary A. Monroe (cc-by-nc)
Flower
Taken Apr 3, 2016 by EOL − Steve Matson (cc-by-nc)
Taken Apr 3, 2016 by EOL − Steve Matson (cc-by-nc)
Taken Mar 22, 2016 by EOL − Steve Matson (cc-by-nc)
Taken Jun 5, 2010 by EOL − Steve Matson (cc-by-nc)
Taken May 28, 2010 by EOL − Steve Matson (cc-by-nc)
Sources
- WFO (No URL)
- IPNI (No URL)
- GBIF (https://www.gbif.org/species/2889705)
- POWO (http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:694455-1)
- PlantNet (https://identify.plantnet.org/species/the-plant-list/Eriogonum thomasii Torr.)
Specifications
Growth habit>: Forb/herb