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sandweed
Scientific Name: Athysanus
Family: Brassicaceae
Category: Dicot
Growth:
Duration:
Other Names:
Sandweed: A Botanical Overview
The term "sandweed" appears in reference to several different plants. This overview will address the species identified in the provided text.
Common Names and Scientific Names
- Sandweed: This name is broadly applied to different species.
- Common Sandweed: Refers to Athysanus pusillus.
- Hairy Sand Weed: Refers to Cladostephus spongiosus, a marine alga.
- Sandweed Peelbark St. John's-Wort: Refers to Hypericum fasciculatum.
- Spergula arvensis is also referred to as sandweed. Synonyms include S. maxima and corn spurrey.
Considerations for Pets
- Some mentions of Sandweed refer to marine algae found in coastal areas, or "Hairy Sand Weed", scientific name Cladostephus spongiosus, and as such may be found on beaches that animals may visit.
Taxonomy and Nomenclature
- Athysanus pusillus: This is the sole species in the monotypic genus Athysanus.
- Hypericum fasciculatum: Belongs to the genus Hypericum, commonly known as St. John's-worts.
- Spergula arvensis: Synonyms include S. maxima and corn spurrey.
Distribution and Habitat
- Hypericum fasciculatum is found statewide in the Deep South, limited to that area.
- Spergula arvensis is said to be found throughout the eastern United States.
Morphological Characteristics
- Athysanus pusillus is an annual herb with long, spindly stems.
Ecological Role
- There is mention of "weed-inhibiting block paving sand," which is used to reliably prevents the growth of weeds in the joints of new and old paving of natural and artificial stones.