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XVII.—The Genus Primula: Section Nivales

  • W. Wright Smith and H. R. Fletcher

This section under the above designation was first established by Pax in Engler's Bot. Jahrb., x, 205 (1889). The species chosen as representative of the section was P. nivalis Pall. This species with its numerous and widespread immediate allies affords an admirable centre for an exposition of the members of the section. The original definition of the section is still reasonably adequate, but its clarity was somewhat obscured by the admission of several species which indubitably belong elsewhere. Of the nine components quoted by Pax, five must be removed—P. sikkimensis and P. secundiflora, as well as the American P. Rusbyi and its two associates. In his Monograph (1) published in 1905 Pax made certain additions and corrections. The number of species indicated as within the section was increased to 15 He removed P. Rusbyi to what is now Candelabra, but P. Cusickiana and P. angustifolia were retained; so also were P. sikkimensis and P. secundiflora. On good grounds were included P. pumila, P. Aitchisonii, and P. eximia, but dubiously P. pulchella and P. Prattii. Correctly in our opinion came in P. Maximowiczii and its two allies P. szechuanica and P. tangutica.

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(1) Pax, in Engl. Pflanzenr. Primulaceae, 100 (1905).
(2) Journ. Roy. Hort. Soc. London, xxxix, 160, 185, 196 (1913).
(3) Ibid., xxix, 295 (1904).
(4) Ibid., liv, 38 (1929).
(5) Cytological Studies in Primula (Symbol. Bot. Upsal.), i, 83 (1932).
(6) Pax, , l.c., 114.
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Earth and Environmental Science Transactions of The Royal Society of Edinburgh
  • ISSN: 1755-6910
  • EISSN: 1755-6929
  • URL: /core/journals/earth-and-environmental-science-transactions-of-royal-society-of-edinburgh
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