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Volume 21, Issue 1-4, 1979

Articles

Studies on the Systematics of Geum sikkimense and Certain Related Taxa (Rosaceae)

https://doi.org/10.20324/nelumbo/v21/1979/75432

  • G. Panigrahi
    • ,
  • K. M. Purohit

G. Panigrahi
Botanical Survey of India, Howrah

K. M. Purohit
Botanical Survey of India, Howrah

Abstract

Taxonomy and nomenclature of Geum sikkimense Prain (1904) comprising two taxonomic species, G. sikkimense Prain, p.p., descr. emend. and G. macrosepalum Ludlow (1976), are discussed. Geum L. treated here as an inclusive genus with Sieversia Willd. and Acomastylis E.L. Greene as congeneric synonyms, is shown to be represented in India by 3 subgenera, subg. Geum, subg. Micracomastylis (F. Bolle) Robertson and subg. Geniculohirtistylis Panigrahi et Purohit subg. nov., based on G. macrosepalum Ludlow as the type species. While G. sikkimense Prain, as also G. elatum Wall. ex. G. Don, are, assigned to the subg. Micracomastylis. The remaining three species of Geum L. in India viz. G. rovlei Wall. ex Bolle, G. aleppicum Jacq. and G. aequilobatum Purohit et Panigrahi are accredited to the subg. Geum.
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