Skip to main content
SpringerLink
Log in

Dion tomasellii (Zamiaceae), a new species with two varieties from western Mexico

  • Published:
Brittonia Aims and scope Submit manuscript

Abstract

Dion tomasellii sp. nov. occurs with an interrupted distribution from Guerrero to central Sonora. It is characterized by falcate to subfalcate leaflets. The populations from Sonora and northern Sinaloa are segregated asD. tomasellii var.sonorense on the basis of their narrower and glaucous leaflets.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Literature Cited

  • De Luca, P., S. Sabato & D. W. Stevenson. In press. Comment opposed to (708) Proposal to conserveDioon (Zamiaceae). Taxon

  • —— & M. Vázquez Torres. 1979.Dioon purpusii Rose, a misknown species of Zamiaceae. Delpinoa n. s. 20: 31–35.

    Google Scholar 

  • ——— 1982. Distribution and variation ofDion edule (Zamiaceae). Brittonia 34: 355–362.

    Article  Google Scholar 

  • Gentry, H. S. 1942. Río Mayo plants. Publ. Carnegie Inst. Wash. 527.

  • Standley, P. C. 1920. Cycadaceae.In: Trees and shrubs of Mexico. Contr. U.S. Natl. Herb. 23: 47–50.

Download references

Author information

Authors and Affiliations

  1. Istituto di Botanica, Università di Napoli, via Foria 223, Napoli, Italy

    Paolo De Luca & Sergio Sabato

  2. Facultad de Ciencias Biológicas, Universidad Veracruzana, Xalapa, Veracruz, Mexico

    Mario Vázquez Torres

Authors
  1. Paolo De Luca
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Sergio Sabato
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Mario Vázquez Torres
    View author publications

    You can also search for this author in PubMed Google Scholar

Rights and permissions

Reprints and permissions

About this article

Cite this article

De Luca, P., Sabato, S. & Torres, M.V. Dion tomasellii (Zamiaceae), a new species with two varieties from western Mexico. Brittonia 36, 223–227 (1984). https://doi.org/10.2307/2806511

Download citation

  • Issue Date:

  • DOI: https://doi.org/10.2307/2806511

Search

Navigation