Porophyllum ruderale

• Overview
• Interesting Facts
• Common Names
• Description
• Biology
• Taxonomy
• Similar Species
• More Info
• Further Reading
• Notes

Overview

Interesting Facts

Common Names

Description

Family Compositae

The largest family of flowering plants , the Compositae (Asteraceae), comprising about 1,100 genera and more than 20,000 species and characterized by many small flowers arranged in a head looking like a single flower and subtended by an involucre of bracts. A head may consist of both ray flowers and disk flowers, as in the sunflower, of disk flowers only, as in the burdock, or of ray flowers only, as in the dandelion.

Genus Porophyllum

Annuals , perennials , subshrubs , or shrubs , 10-120[-200+] cm. Stems erect , usually strictly branched. Leaves cauline; opposite or alternate; petiolate or sessile; blades orbiculate to linear or filiform , margins crenate or entire, faces usually glabrous (oil-glands scattered and/or at margins). Heads discoid , borne singly or in loose , ± corymbiform arrays. Calyculi 0. Involucres cylindric to campanulate [turbinate ], 3-12 mm diam. Phyllaries 5-10 in ± 2 series (distinct to bases , oblong or lanceolate to linear, bearing oval to linear oil-glands). Receptacles convex to conic, pitted , epaleate. Ray florets 0. Disc florets (5-) 10-80[-100+], bisexual , fertile ; corollas usually yellow, sometimes whitish to greenish or purplish [brownish], tubes either very slender, much longer than funnelform throats , or stout, much shorter than narrowly cylindric throats, lobes 5, deltate to lanceolate (often unequal). Cypselae cylindric to fusiform , hirtellous to villous [glabrous]; pappi persistent , of 25-50(-100) coarse to fine bristles in 1-2+ series. x = 12.

Species ca. 25: sw United States, Mexico, West Indies (Antilles), Central America, South America.[1]

Physical Description

Habitat

Typically found at an altitude of 0 to 4,936 meters (0 to 16,194 feet).[2]

Biology

Reproduction

Duration: Annual

Taxonomy

Synonyms

Cacalia ruderalis (Jacq.) Sw. • Enum. Syst. Pl. • Kleinia ruderale Jacquin • Kleinia ruderalis Jacq. • Porophyllum ellipticum Cassini • Porophyllum Ellipticum Ruderale

Notes

Name Status: Accepted Name .

Comment: Data Providers: Biological Diversity of the Guiana Shield , CONABIO, Caribbean Checklist , Flora Malesiana, LCR Editor, IPNI, Panama Checklist, MesoAmericana, Tropicos, Colombia, Queensland Census. GCC LSID: urn :lsid:compositae.org:names:D78AD427-6E4D-4C8C-8C6A-BF2EDC6EA06C

Last scrutiny: 15-Aug-09

Similar Species

Members of the genus Porophyllum

ZipcodeZoo has pages for 8 species, subspecies, varieties, forms, and cultivars in this genus:

P. coloratum (Papalo) · P. gracile (Slender Poreleaf) · P. greggii (Gregg's Poreleaf) · P. leiocarpum (Yerba De Peo) · P. pygmaeum (Dwarf Poreleaf) · P. ruderale (Yerba Porosa) · P. ruderale ruderale (Yerba Porosa) · P. scoparium (Shrubby Poreleaf)

More Info

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• Search using Specialized Databases: GenBank | Medline | Scirus | CISTI/CAL | Agricola Periodicals | Agricola Books

Further Reading

• A botanical survey of the Galapagos Islands, by Alban Stewart. San Francisco, California Academy of Sciences, 1911. url p. 155.
• A naturalist in the Bahamas: John I. Northrop, October 12 1861 - June 25, 1891; a memorial volume, ed., with a biographical introduction by Henry Fairfield Osborn. New York, The Columbia university press[c1910] url p. 190, p. 206.
• A naturalist in the Bahamas: New York, Columbia University Press[c1910] url .
• An annotated catalogue of types of the University of Illinois mycological collections (ILL) / Urbana: University of Illinois Press, c1997. url p. 57.
• An enumeration of the vascular plants known from Surinam: together with their distribution and synonymy / by A. Pulle. Leiden: E. J. Brill, 1906. url p. 465, p. 545.
• Britton, N. L. (ed.). North American flora. [New York]New York Botanical Garden. url p. 184.
• Compositae newsletter. Columbus, Ohio: Dept. of Botany, Ohio State University, 1975- url p. 102, p. 11, p. 115, p. 38, p. 46, p. 64.
• Contributions from the United States National Herbarium 8 1903-1905 Washington, D.C.: Smithsonian Institution Press, 1890- url p. 224.
• Flora of Costa Rica. .. by Paul C. Standley. .. 18 1938 Chicago, 1937. url p. 1508.
• Flora of Guatemala / Dorothy L. Nash, Louis O. Williams; genera contributed by Kenneth M. Becker. .. [et al.]. 24 1976 Chicago, Ill.: Field Museum of Natural History, 1976. url p. 378.
• Flora of Jamaica, containing descriptions of the flowering plants known from the island, by William Fawcett and Alfred Barton Rendle. London.Printed by order of the Trustees of the British Museum, 1910- url p. 262.
• Flora of the Galápagos Islands; papers from the Hopkins-Stanford Expedition to the Galapagos Islands, by B. L. Robinson, with the collaboration of specialists. Boston, Mass., 1902 url p. 215.
• Fungi from Costa Rica and Panama, Urbana, University of Illinois, 1927 url p. 65.
• Grisebach, A. H. R. Flora of the British West Indian islands /by A.H.R. Grisebach. [1859]-18 London, L. Reeve, 1864. url p. 379.
• Journal of botany, British and foreign. 3 1865 London: Robert Hardwicke, 1863-1942. url p. 323.
• Journal of ethnobiology. 14 1994 Flagstaff, Ariz.: Center for Western Studies, 1981- url p. 38.
• Memoirs of the Torrey Botanical Club. 12 1902-1907 Durham, N.C.: Published for the Club by the Seeman Printery, 1889- url p. 72, p. 89.
• National list of scientific plant names. [Washington, D.C.]: U.S. Dept. of Agriculture, Soil Conservation Service, 1982- url p. 330.
• Occasional papers of the California Academy of Sciences. San Francisco: California Academy of Sciences, url p. 21.
• Phytologia memoirs. Plainfield, N.J.: H.N. Moldenke and A.L. Moldenke, 1980- url p. 296.
• Phytologia. 14 1966-1967 Bronx Park, New York, H.A. Gleason and H.N. Moldenke, url p. 134, p. 368, p. 73.
• Proceedings - California Academy of Sciences, 4th series. San Francisco, California Academy of Sciences. url p. 155.
• Proceedings of the California Academy of Sciences, 4th series. San Francisco, California Academy of Sciences. url p. 155.
• Proceedings of the Entomological Society of Washington. Washington, etc.: Entomological Society of Washington url p. 1028.
• Publication / Institute of Social Anthropology. Washington: U.S. Govt. Print. Off., 1944- url p. 319, p. 344.
• Smithsonian miscellaneous collections. 78 1927 Washington: Smithsonian Institution, 1862-1968. url p. 30.
• The Bahama flora, New York, The Authors, 1920. url .
• The Bahama flora, by Nathaniel Lord Britton and Charles Frederick Millspaugh. New York, The authors, 1920. url p. 456, p. 456.
• The University of Kansas science bulletin. 48 1969 [Lawrence]: University of Kansas, 1902-1996. url p. 225, p. 226, p. 233, p. 234, p. 235, p. 237.
• The flora of Barro Colorado Island, Panama, by Paul C. Standley. City of Washington, The Smithsonian Institution, 1927. url p. 32.
• The flora of the Dutch West Indian Islands. Leyden, E. J. Brill, 1909-14. url , .
• Johnson, R. R. 1969. Monograph of the plant genus Porophyllum (Compositae: Helenieae). Univ. Kansas Sci. Bull. 48: 225-267.

Notes

Contributors

• Brands, S.J. (comp.) 1989-present. The Taxonomicon. Universal Taxonomic Services, Zwaag, The Netherlands. Accessed January 15, 2012.

Data Sources

Accessed through GBIF Data Portal December 09, 2007:

• Australian National Herbarium
• , Australian National Herbarium
• Botanical Research Institute of Texas, Andes to Amazon Biodiversity Program
• Comisión nacional para el conocimiento y uso de la biodiversidad, Banco Nacional de Germoplasma Vegetal, México
• Herbarium of the University of Aarhus, The AAU Herbarium Database
• Herbier de la Guyane, Herbier de la Guyane
• Instituto Nacional de Biodiversidad
• , Biodiversidad de Costa Rica
• Missouri Botanical Garden, Missouri Botanical Garden
• SysTax, Herbarium Universitat Ulm
• SysTax, SysTax
• USDA PLANTS, USDA PLANTS Database

Identifiers

• Biodiversity Heritage Library NamebankID: 2659174
• Catalogue of Life Accepted Name Code: Ast-12742
• Global Biodiversity Information Facility Taxonkey: 13750473
• Globally Unique Identifier: urn:lsid:ipni.org:names:239369-1
• GRIN Nomen Number: 29440
• Integrated Taxonomic Information System (ITIS) Taxonomic Serial Number (TSN): 38263
• U.S.D.A. Plant Symbol: PORU6
• Zipcode Zoo Species Identifier: 57769

Footnotes

1. John L. Strother "Porophyllum". in Flora of North America Vol. 21 Page 222, 233. Oxford University Press. Online at EFloras.org. [back]
2. Mean = 391.600 meters (1,284.777 feet), Standard Deviation = 1,009.980 based on 413 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]

©2004-2012 David Stang. All rights reserved.