564 MISC. PUBLICATION 423, U. S. DEPT. OF AGRICULTURE 



1. Abutilon crispum (L.) Sweet, Hort. Brit. 53. 1827. 



Sida crispa L., Sp. PL 685. 1753. 



Gayoides crispum Small, Fl. Southeast. U. S. 764. 1903. 



Pinal, Maricopa, and Pima Counties, 3,000 feet or lower, common on 

 dry slopes, flowering almost throughout the year. Florida, southern 

 Arizona, and southward into tropical America. 



Leaf blades ovate, cordate, often prominently reticulate-veined 

 beneath; pedicels filiform, often deflexed at the joint; petals pale 

 orange yellow, 7 to 9 mm. long. 



2. Abutilon theophrasti Medik., Malvenfam. 28. 1787. 



Abutilon avicennae Gaertn., Fruct. et Sem. 2: 251. 1791. 



Near Glendale, Maricopa County, in a cotton field (Kearney 5986), 

 probably nowhere established in Arizona. Common in the eastern 

 United States; naturalized from Asia. 



Leaf blades large, cordate, velvety-pubescent; carpels much sur- 

 passing the calyx, villous. 



3. Abutilon thurberi A. Gray, Amer. Acad. Arts and Sci. Mem. ser. 2, 



5: 307. 1855. 



Near mouths of canyons on the western slope of the Baboquivari 

 Mountains (Pima County), in partial shade, about 3,500 feet (Gilman 

 B35, Peebles 8987, 9060), August to October. Southern Arizona and 

 northern Sonora. 



Calyx and carpels long-hirsute. Stems from creeping rootstocks. 



4. Abutilon pringlei Hochr., Conserv. et Jard. Bot. Geneve Ann. 6: 



14. 1902. 

 Yavapai, Pinal, Maricopa, and Pima Counties, 2,000 to 4,000 feet, 

 common on dry slopes, April to October, type from the Tucson 

 Mountains, Pima County (Pringle in 1884). Southern Arizona and 

 northern Sonora. 



5. Abutilon incanum (Link) Sweet, Hort. Brit. 53. 1827. 



Sida incana Link, Enum. PI. 2: 204. 1822. 



Abutilon texense Torr. and Gray, Fl. N orth Amer. 1 : 231. 1838. 



Mohave, Yavapai, Pinal, Cochise, Pima, and Yuma Counties, 1,000 

 to 4,000 feet, common on dry slopes, April to October. Central 

 Texas to southern Arizona and Mexico. 



Fibers extracted from the stems are reported to be used in Mexico 

 for making rope. 



6. Abutilon parvulum A. Gray, PI. Wright. 1: 21. 1852. 



Navajo County to Mohave County, southward to Cochise and 

 Pima Counties, 3,500 to 5,000 feet, rather common on dry plains and 

 slopes, sometimes with scrub oak, May to October. Colorado and 

 Texas to Arizona, California, and northern Mexico. 



7. Abutilon californicum Benth., Bot. Voy. Sulph. 8. 1844. 



Abutilon lemmoni S. Wats., Amer. Acad. Arts and Sci. Proc. 20: 

 357. 1885. 



Yavapai, Graham, Pinal, Maricopa, and Pima Counties, 1,800 to 

 4,000 feet, frequent on dry, rocky slopes, March to September. 

 Southern Arizona and Mexico. 



