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robust spineflower
Scientific Name: Chorizanthe robusta var. robusta
Family: Polygonaceae
Category: Dicot
Growth: Forb/herb
Duration: Annual
Other Names:
Robust Spineflower (Chorizanthe robusta)
The Robust Spineflower, scientifically known as Chorizanthe robusta, is an endangered annual herb native to California.
Considerations for Pets
- As a "spineflower," this plant may possess thorns or sharp edges.
Taxonomy and Nomenclature
- Scientific Name: Chorizanthe robusta
- Common Name: Robust Spineflower, Scotts Valley spineflower
- Family: Polygonaceae (Buckwheat family)
- Synonyms: Chorizanthe pungens Bentham var. robusta (Parry) Jepson
- Varieties:
- Chorizanthe robusta var. robusta
- Chorizanthe robusta var. hartwegii (Benth.) Reveal & R. Morgan
Distribution and Habitat
- The Robust Spineflower is endemic to California.
- It is a coastal resident found in sandy soils.
- Specific locations include Scotts Valley.
- It may be found in woodlands composed of hardwood, conifer, and shrub species, associated with streams or not.
Ecological Role
- The Robust Spineflower is currently on the U.S. Endangered Species List and classified as endangered in California.
- It is subject to herbivory.
Morphological Characteristics
- The Robust Spineflower is an annual herb, described as wiry.
- It is considered a forb/herb, which means it is a non-woody plant that is not a grass.
- It's a small annual plant, growing to about 10 inches tall.
Genetic Information
- A 2009 genetic study focused on the Pungentes subsection of Chorizanthe.
Interactions with Other Organisms
- The Robust Spineflower is subject to herbivory.
- Hybridization with Monterey spineflowers (Chorizanthe pungens) has been investigated.
Further Information
- NatureServe Explorer
- U.S. Fish and Wildlife Service
- Discover Life
- CalPhotos
- San Jose State University ScholarWorks