Iresine heterophylla

Iresine heterophylla, or Standley's bloodleaf,[1] is a plant species native to the southwestern United States and also to Mexico. It has been collected from Arizona, New Mexico, Texas, Chihuahua, Sonora, Durango, Coahuila, Nuevo León, Campeche and Tabasco.[2][3][4][5]

Iresine heterophylla
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Amaranthaceae
Genus: Iresine
Species:
I. heterophylla
Binomial name
Iresine heterophylla
Standley

Iresine heterophylla is a perennial herb up to 100 cm tall. Leaves are opposite, ovate, up to 6 cm long. Flowers are arranged in a rather large, branching panicle up to 40 cm long. Flowers are small, white to straw-colored, up to 4 cm across, covered in dense woolly hairs. Fruits are green, egg-shaped, usually less than 1 mm across, enclosed inside the persistent flower parts which are in turn enclosed in woolly hairs, so that the infructescence as a whole appears white and woolly.[2][6][7][8][9][10]

References
  1. "Iresine heterophylla". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 25 May 2015.
  2. Flora of North America v 4 p 456
  3. CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, Mexico City.
  4. Martínez Salas, E. M., M. Sousa Sánchez & C. H. Ramos Álvarez. 2001. Región de Calakmul, Campeche. Listados Florísticos de México 22: 1–55.
  5. Pérez J., L. A., M. Sousa Sánchez, A. M. Hanan-Alipi, F. Chiang Cabrera & P. Tenorio L. 2005. Vegetación terrestre. 65–110. In J. Bueno, F Álvarez & S. Santiago. Biodiversidad de Tabasco. CONABIO-UNAM, México.
  6. Standley, Paul Carpenter. 1916. Contributions from the United States National Herbarium 18(3): 95.
  7. Henrickson, J. and S. D. Sundberg. 1986. On the submersion of Dicraurus into Iresine (Amaranthaceae). Aliso 11: 355-364.
  8. photo of herbarium specimen at Missouri Botanical Garden
  9. Correll, D. S. & M. C. Johnston. 1970. Manual of the Vascular Plants of Texas i–xv, 1–1881. The University of Texas at Dallas, Richardson.
  10. Shreve, F. & I. L. Wiggins. 1964. Vegetation and Flora of the Sonoran Desert 2 vols. Stanford University Press, Stanford.
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