Polanisia dodecandra subsp. riograndensis
SouthW. Naturalist 14: 116, fig. 1[top]. 1969.
Common names: Rio Grande clammyweed
Revision as of 22:10, 26 July 2019 by FNA>Volume Importer
Leaflets: blade apex rounded. Inflorescence bracts ovate to orbiculate. Petals pink, rose, or purple, (6–)8–14(–17) mm. Stamens (6–)7–17 mm, equaling or slightly longer than petals. Seeds tuberculate-rugose. 2n = 20.
Phenology: Flowering spring–fall.
Habitat: River banks, coastal dunes, open woodlands, mesquite, and semi-desert
Elevation: 0-100 m
Distribution
Tex., Mexico (Nuevo León, Tamaulipas).
Discussion
Subspecies riograndensis is found along the lower Rio Grande in Texas and adjacent Mexico.
Selected References
None.
Lower Taxa
None.