Sphinctospermum
Genus of legumes
Sphinctospermum | |
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Conservation status | |
![]() Apparently Secure (NatureServe)[1] | |
Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Fabales |
Family: | Fabaceae |
Subfamily: | Faboideae |
Tribe: | Robinieae |
Genus: | Sphinctospermum Rose (1906) |
Species: | S. constrictum |
Binomial name | |
Sphinctospermum constrictum (S.Watson) Rose (1906) | |
Synonyms[2] | |
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Sphinctospermum is a genus of flowering plants in the legume family, Fabaceae. It belongs to the subfamily Faboideae. It is a monotypic genus, containing the single species Sphinctospermum constrictum. It is native to North America, where it occurs in western and central Mexico and in Arizona in the southwestern United States.[2][1][3] The plant is known by the common name hourglass peaseed.[4]
This species occurs in grasslands and dry forests. It grows in sandy soils and is more common in wet years.[1]
References
- ^ a b c Sphinctospermum constrictum. NatureServe Explorer.
- ^ a b Sphinctospermum constrictum (S.Watson) Rose. Plants of the World Online. Retrieved 20 September 2023.
- ^ Lavin M. & J. J. Doyle. 1991. Tribal relationships of Sphinctospermum (Leguminosae): Integration of traditional and chloroplast DNA data. Systematic Botany Vol. 16, No. 1 pp. 162–172.
- ^ Sphinctospermum constrictum. USDA NRCS Plants Database.
External links
- Sphictospermum. The Plant List.
Further reading
Lavin, M. 1990. The genus Sphinctospermum (Leguminosae): Taxonomy and tribal relationships as inferred from a cladistic analysis of traditional data. Systematic Botany Vol. 15, No. 4 pp. 544–559
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