Manfreda longiflora

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Manfreda longiflora

Imperiled (NatureServe)[1]
Scientific classification e
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Asparagaceae
Subfamily: Agavoideae
Genus: Manfreda
Species: M. longiflora
Binomial name
Manfreda longiflora
(Rose) Verh.-Will.[2]

Agave longiflora (Rose) G.D.Rowley
Polianthes runyonii Shinners
Runyonia longiflora Rose

Manfreda longiflora is a species of flowering plant in the family Asparagaceae that is native to the Lower Rio Grande Valley of Texas in the United States and northern Tamaulipas in Mexico.[1] Common names include amole de río, longflower tuberose, and Runyon's huaco.[4] The type specimens were sent by botanist and photographer Robert Runyon (1881–1968) to the New York Botanical Garden in 1921. Consequently, the species was initially placed in a monotypic genus named in his honour, Runyonia, by Joseph Nelson Rose.[5] M. longiflora is a rhizomatous perennial with 3–7 prostrate leaves in a basal rosette.[6] It inhabits hills, terraces and slopes in the semi-arid Tamaulipan mezquital.[7]


  1. ^ a b "Manfreda longiflora - (Rose) Verhoek-Williams St. Joseph's Staff". NatureServe Explorer. NatureServe. Retrieved 2011-12-09. 
  2. ^ "Taxon: Manfreda longiflora (Rose) Verh.-Will.". Germplasm Resources Information Network. United States Department of Agriculture. 1994-08-23. Retrieved 2011-12-09. 
  3. ^ "Manfreda longiflora (Rose) Verhoek, Baileya. 19: 163. 1975.". Flora of North America. Retrieved 2011-12-09. 
  4. ^ "Manfreda longiflora". Integrated Taxonomic Information System. Retrieved 2011-12-09. 
  5. ^ "Runyonia longiflora". Addisonia. New York Botanical Garden. 7: 39–40. 1922. 
  6. ^ Poole, Jackie M.; William R. Carr; Dana M. Price; Jason R. Singhurst (2007). Rare Plants of Texas: a Field Guide. Texas A&M University Press. pp. 304–305. ISBN 978-1-58544-557-8. 
  7. ^ "Manfreda longiflora". CPC National Collection Plant Profile. Center for Plant Conservation. 2010-09-28. Retrieved 2011-12-09.