Rhynchosida physocalyx, Buffpetal
Scientific Name: Rhynchosida physocalyx
Common Name: Buffpetal
Also Called: Bladderpod Sida, Buff Petal, Tuberous Sida
Family: Malvaceae, Globe Mallow Family
Synonyms: (Sida physocalyx)
Duration: Perennial with a large taproot, stems trailing to ascending, pubescence of coarse stellate hairs.
Size: Up to 3 feet.
Growth Form: Forb/herb, subshrub; large tuber-like root.
Leaves: Green; up to 2 inches, oblong-ovate, also coarsely pubescent, margins ciliate.
Flower Color: Yellow, orange, orange-yellow; solitary in leaf axils, inflated strongly 5-angled calyx, fruit a schizocarp with 8 to 10 segments (mericarp).
Flowering Season: March to October.
Elevation: 2,500 to 5,000 feet.
Habitat Preferences: Canyons, waterways; rich soils.
Recorded Range: Rhynchosida physocalyx is found in the southwest United States in AZ, NM, TX and marginally in OK. In Arizona it occurs in central and southern parts of the state, small populations in southern New Mexico and scattered throughout Texas. This species is also native to from northern Mexico to South America.
North America & US County Distribution Map for Rhynchosida physocalyx.
U.S. Weed Information: No information available.
Invasive/Noxious Weed Information: No information available.
Wetland Indicator: No information available.
Threatened/Endangered Information: No information available.
Genus Information: 1 species in Rhynchosida in the United States.
The Plant List includes 5 scientific plant names of species rank for the genus Rhynchosida. Of these 2 are accepted species names.
Comments: Buffpetal is of low value to deer and livestock.