A new record of species Asarum cordifolium C. E. C. Fischer (Aristolochiaceae) for the flora of Vietnam

Nguyen Anh Tuan, Tran Huy Thai, Jenn-Che Wang, Chang-Tse Lu
Author affiliations

Authors

  • Nguyen Anh Tuan Publishing House for Science and Technology, VAST
  • Tran Huy Thai Institute of Ecology and Biological Resources, VAST
  • Jenn-Che Wang National Taiwan Normal University
  • Chang-Tse Lu National Taiwan Normal University

DOI:

https://doi.org/10.15625/0866-7160/v34n2.959

Keywords:

Aristolochiaceae, Asarum cordifolium, Sa Pa (Lao Cai province)

Abstract

The genus Asarum L. comprised about 90 species, mainly distributed in East Asia (Chinna, Japan and Vietnam), North America and European. There were 7 species of Asarum recorded in Vietnam. This paper reported the species Asarum cordifolium C. E. C. Fischer  newly recorded for the flora of Vietnam.

Asarum cordifolium C. E. C. Fischer: Herbs, rhizomes horizontal, height 15-25 cm, internodes 2-3 cm. Leaves solitary, 1-4; orbicular, 7-8 × 8-12 cm; leaf edges entire, villous; leaf blade densely white pubescents; petiole 12-20 cm, viollus; lateral veins 5. Single flower, red, white pubescents; peduncle 2 cm, densly white bubencents. Cataphylls lanceolate. Sepals free; lobes red, 1.2 × 2.0 cm; apex abuptly narrowed to a slender cauda 1-1.5 cm. Petals 3, needle, red, 0.3 cm. Stamens 12, filament as long as anthers, red-purple; connectives extended beyond anthers, tongue. Styles 6-connate, as long as anthers; apex entire. Ovary middle. Fl. Oct-Nov. Dense forest, moist valleys; 1.500-1.600 m. Sa Pa (Lao Cai province), Assam (India) and N Myanmar.

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Published

05-06-2012

How to Cite

Tuan, N. A., Thai, T. H., Wang, J.-C., & Lu, C.-T. (2012). A new record of species Asarum cordifolium C. E. C. Fischer (Aristolochiaceae) for the flora of Vietnam. Academia Journal of Biology, 34(2), 197–200. https://doi.org/10.15625/0866-7160/v34n2.959

Issue

Vol. 34 No. 2 (2012)

Section

Articles

License

Academia Journal of Biology (AJB) is an open-access and peer-reviewed journal. The articles published in the AJB are licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND 4.0), which permits for immediate free access to the articles to read, download, copy, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited (with a link to the formal publication through the relevant DOI), and without subscription charges or registration barriers. The full details of the CC BY-NC-ND 4.0 License are available at https://creativecommons.org/licenses/by-nc-nd/4.0/.

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