Physical Description

Type Information

Isotype for Dioscorea apurimacensis R. Knuth
Catalog Number: US 1357759
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): E. P. Killip & A. C. Smith
Year Collected: 1929
Locality: Río Apurímac valley, near Kimpitiriki, Ayacucho, Peru, South America
Elevation (m): 400 to 400
  • Isotype: Knuth, R. G. P. 1931. Repert. Spec. Nov. Regni Veg. 29: 94.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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Holotype for Dioscorea narinensis R. Knuth
Catalog Number: US 1350924
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): E. P. Killip & A. C. Smith
Year Collected: 1926
Locality: Narino, El Tambor., Santander, Colombia, South America
Elevation (m): 150 to 300
  • Holotype: Knuth, R. G. P. 1930. Repert. Spec. Nov. Regni Veg. 28: 82.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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Isotype for Dioscorea multiflora var. gouanioides Chodat & Hassl.
Catalog Number: US 2055349
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Preparation: Pressed specimen
Collector(s): E. Hassler
Locality: In silvis in regione cursus superioris fluminis Apa., Paraguay, South America
  • Isotype: Chodat, R. H. & Hassler, E. 1903. Bull. Herb. Boissier ser. 2. 3: 1111.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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Isotype for Dioscorea pozucoensis R. Knuth
Catalog Number: US 1540343
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): J. F. Macbride
Year Collected: 1923
Locality: Pozuzo, Pasco, Peru, South America
Elevation (m): 700 to 700
  • Isotype: Knuth, R. G. P. 1930. Repert. Spec. Nov. Regni Veg. 28: 86.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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Isotype for Dioscorea sulcata R. Knuth
Catalog Number: US 1498851
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): F. C. Lehmann
Locality: Highlands of Popayan., Ecuador, South America
  • Isotype: Knuth, R. G. P. 1917. Notizbl. Bot. Gart. Berlin-Dahlem. 7: 195.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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Isotype for Dioscorea guanaiensis R. Knuth in Engl.
Catalog Number: US 933691
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): H. H. Rusby
Year Collected: 1886
Locality: Guanai., Bolivia, South America
Elevation (m): 610 to 610
  • Isotype: Knuth, R. G. P. 1924. Pflanzenr. 87: 78.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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Isotype for Dioscorea guanaiensis R. Knuth in Engl.
Catalog Number: US 25020
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): H. H. Rusby
Year Collected: 1886
Locality: Guanai., Bolivia, South America
Elevation (m): 610 to 610
  • Isotype: Knuth, R. G. P. 1924. Pflanzenr. 87: 78.
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© Smithsonian Institution, National Museum of Natural History, Department of Botany

Source: National Museum of Natural History Collections

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