Sphinctospermum
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 Mexico and Arizona in the southwestern United States.[1][2] The plant is known by the common name hourglass peaseed.[3]
| Sphinctospermum | |
|---|---|
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| Scientific classification | |
| Kingdom: | |
| (unranked): | |
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| Order: | |
| Family: | |
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| Tribe: | |
| Genus: | Sphinctospermum Rose |
| Species: | S. constrictum |
| Binomial name | |
| Sphinctospermum constrictum | |
This species occurs in grasslands and dry forests. It grows in sandy soils and is more common in wet years.[1]
References
- Sphinctospermum constrictum. NatureServe Explorer.
- 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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