Primula rusbyi

Primula rusbyi is a species of Primula.[4] A common name is Rusby's primrose.[5]

Primula rusbyi
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Primulaceae
Genus: Primula
Species:
P. rusbyi
Binomial name
Primula rusbyi
Synonyms[2][3]
  • Primula ellisiae Pollard & Cockerell
  • Primula rusbyi var. ellisiae (Pollard & Cockerell) L.O. Williams
  • Primula serra Small

This species was first collected by Henry Hurd Rusby in the Mogollon Mountains in the New Mexico Territory of the time (now the state New Mexico), Edward Lee Greene used these specimens as the holotype with which to describe P. rusbyi in 1881.[1][6]

The species occurs from the southern Rockies in the United States through Mexico probably down to northern Guatemala.[3] In the USA it occurs in Arizona and New Mexico.[3] Although the range in the USA appears to be split into disjunct populations,[5][6] this may be an artefact of ignoring the Mexican distribution.

Some plants from the Sandia Mountains of New Mexico have a longer corolla than the calyx, unlike the nominate type;[3] these were described as Primula ellisiae in 1902 by Theodore Dru Alison Cockerell from a 1900 collection by Charlotte Cortlandt Ellis in the area of her family's ranch.[6][7] However, individual plants with this phenotype grow together with plants having the normal form flowers, and no genetic distinctiveness was found between forms.[3]

References
  1. "Primula rusbyi". International Plant Names Index. The Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries and Australian National Botanic Gardens. Retrieved 22 August 2020.
  2. "ITIS - Primula ellisiae (Pollard & Cockerell)". Integrated Taxonomic Information System. Retrieved 14 March 2015.
  3. Kelso, Sylvia (27 September 2009). "19. Primula rusbyi". Flora of North America. 8. Oxford: Flora of North America Association. p. 301.
  4. "ITIS standard report - Primula rusbyi (Greene)". Integrated Taxonomic Information System. Retrieved 14 March 2015.
  5. "USDA - plants profile for Primula rusbyi". United States Department of Agriculture. Retrieved 14 March 2015.
  6. Pollard, Charles Louis; Cockerell, Theodore Dru Alison (6 August 1902). "Four new plants from New Mexico". Proceedings of the Biological Society of Washington. 15: 178. Retrieved 20 August 2020.
  7. Eugene Jercinovic (21 February 2008). "Charlotte Ellis of the Sandia Mountains" (PDF). The New Mexico Botanist.
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