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Peirson's pincushion
Scientific Name: Chaenactis carphoclinia var. peirsonii
Family: Asteraceae
Category: Dicot
Growth: Forb/herb
Duration: Annual
Other Names:
Chaenactis carphoclinia var. peirsonii
Chaenactis carphoclinia var. peirsonii, commonly known as Peirson's pincushion, is an annual herb belonging to the Asteraceae family.
Taxonomy and Nomenclature
- Scientific Name: Chaenactis carphoclinia A. Gray var. peirsonii (Jeps.) Munz
- Common Name: Peirson's pincushion
- Kingdom: Plantae
- Taxonomic Rank: Variety
- Family: Asteraceae (mentioned)
- Synonyms: None explicitly stated, but related to Chaenactis carphoclinia A. Gray
Distribution and Habitat
Peirson's pincushion is native to the United States. It's found in sandy areas within Sonoran Desert Scrub, alkali meadows, alkali scrub, and even disturbed places. The elevation range is from 0 to 480 meters.
Morphological Characteristics and Growth Habits
- Type: Forb/herb
- Habit: Annual plant
Ecological Role and Conservation Status
Peirson's pincushion is listed as a BLM Sensitive Species and has a CNPS Rare Plant Rank of 1B.3, indicating its limited distribution and conservation concern. It is not expected to occur on a specific proposed solar site mentioned in the text.
Related Species
- Chaenactis carphoclinia var. carphoclinia (Pebble Pincushion)
- Chaenactis douglasii var. alpina (alpine dusty maidens)
- Chaenactis parishii (Parish's chaenactis)
- Chaenactis stevioides (Desert Pincushion)
- Chaenactis glabriuscula var. orcuttiana (Orcutt's pincushion)
Further Information
More information can be found at the USDA PLANTS database and the Sierra Club San Diego Chapter's rare plant website: http://sandiego.sierraclub.org/rareplants/052.html.