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knotweed spineflower
Scientific Name: Chorizanthe polygonoides var. longispina
Family: Polygonaceae
Category: Dicot
Growth: Forb/herb
Duration: Annual
Other Names:
Chorizanthe polygonoides: Knotweed Spineflower
Chorizanthe polygonoides, commonly known as knotweed spineflower, is a flowering plant belonging to the buckwheat family (Polygonaceae).
Considerations for Pets
- The name "spineflower" may indicate the presence of spines or potentially sharp features on the plant.
Taxonomy and Nomenclature
- Scientific Name: Chorizanthe polygonoides Torr. & A. Gray
- Common Name: Knotweed Spineflower
- Family: Polygonaceae (Buckwheat family or Knotweed family)
- Synonym: Acanthogonum polygonoides (Torrey & A. Gray) Goodman
- Varieties:
- Chorizanthe polygonoides var. polygonoides
- Chorizanthe polygonoides var. longispina (Goodman) Munz
Distribution and Habitat
- Native to California.
- Found in western North America and South America.
- Specific locations mentioned include Orange County, California; Garland Ranch, Palo Corona, and Santa Lucia Preserve.
Morphological Characteristics and Growth Habits
- Classified as a forb/herb, which is a non-woody plant that is not a grass.
- Can be either an annual or perennial herb.
- Medium in size.
- In summer, it can assume a white coloring.
- The text notes that it is sometimes evergreen.
- Prefers a location with at least a few hours of direct sunlight daily for balanced development.
Ecological Role
- One variety, Chorizanthe polygonoides var. longispina, is mentioned as "most problematic" among other spineflower varieties.