Saw-tooth goldenbush (Hazardia squarrosa, Erythea 2: 112 (1894))

Family: Asteraceae

Author: Greene

Bibliography: Erythea 2: 112 (1894)

Year: 1894

Status: accepted

Rank: species

Genus: Hazardia

Vegetable: False

Observations: California to NW. Mexico

Description

Saw-tooth goldenbush, an intriguing member of the Asteraceae family, thrives predominantly in California and extends its reach into Northwestern Mexico. Scientifically recognized as Hazardia squarrosa, this robust plant was first documented in the botanical literature “Erythea,” Volume 2, Page 112, in the year 1894 by the botanist Greene.

This striking species, often found in dry, rocky habitats, is celebrated for its resilience and distinct foliage. The name “Saw-tooth goldenbush” is derived from its uniquely serrated, saw-like leaf margins that make it easily identifiable among other flora. The plant features vibrant yellow flower heads, which are a signature characteristic of many members within the Asteraceae family. These blooms not only add a splash of color to their arid environments but also serve as vital attractants for a range of pollinators, thus playing a crucial role in their ecosystem.

Hazardia squarrosa typically flourishes in areas that experience minimal rainfall, adapting impressively to harsh conditions with a rugged tenacity. Its ability to persist in these environments highlights its importance in studies of drought tolerance and ecological sustainability.

In addition to its ecological significance, the saw-tooth goldenbush contributes to the biodiversity of the regions it inhabits, supporting various forms of wildlife and maintaining the health of its natural surroundings. For botanists and nature enthusiasts alike, the saw-tooth goldenbush offers a fascinating subject of study, revealing much about the adaptability and enduring beauty of native plant species in North America’s diverse landscapes.

Common Names

Eng: saw-tooth goldenbush, sawtooth goldenbush
En: Saw-tooth goldenbush, Sawtooth goldenbush, Sawtooth bristleweed

Synonyms

• Haplopappus squarrosus (Hook. & Arn.)
• Homopappus squarrosus ((Hook. & Arn.) Nutt.)

Distribution

• California (native)
• Mexico Northwest (native)

Additional Images

Flower

Taken Jul 14, 2021 by julia higgins (cc-by-sa)

Taken Sep 20, 2021 by C Jewett (cc-by-sa)

Taken Aug 7, 2015 by EOL − James Bailey (cc-by-nc)

Taken Oct 11, 2015 by EOL − Don Loarie (cc-by)

Taken Oct 11, 2015 by EOL − Don Loarie (cc-by)

Leaf

Taken May 16, 2021 by Douglas Bachman (cc-by-sa)

© copyright of the Board of Trustees of the Royal Botanic Gardens, Kew.

Sources

• WFO (No URL)
• IPNI (No URL)
• GBIF (https://www.gbif.org/species/5389275)
• POWO (http://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:118154-2)
• PlantNet (https://identify.plantnet.org/species/the-plant-list/Hazardia squarrosa (Hook. & Arn.) Greene)

Specifications

Growth habit>: Subshrub, Shrub

Growth