Arid
DOI10.11646/phytotaxa.369.2.4
Species definition of Dioon sonorense (Zamiaceae, Cycadales), and description of D. vovidesii, a new cycad species from northwestern Mexico
Said Gutierrez-Ortega, Jose1; Jimenez-Cedillo, Karen2; Angel Perez-Farrera, Miguel3; Martinez, Jose F.4; Molina-Freaner, Francisco4,5; Watano, Yasuyuki1; Kajita, Tadashi6
通讯作者Said Gutierrez-Ortega, Jose ; Angel Perez-Farrera, Miguel
来源期刊PHYTOTAXA
ISSN1179-3155
EISSN1179-3163
出版年2018
卷号369期号:2页码:107-114
英文摘要

The cycad genus Dioon (Zamiaceae) was described by J. Lindley in the 19th century, but most species were discovered during the late 1970s through the mid-1980s. Despite recent efforts to clarify the actual species diversity within the genus, the definition of some species is still problematic. The northernmost populations of the cycad genus Dioon in northwestern Mexico are currently recognised as Dioon sonorense, but important variation among populations has been suggested by multiple authors, and the definition of what is D. sonorense remains unclear. Documented evidence on leaf and leaflet morphology, cuticular and epidermal anatomy, and population genetics across the populations of D. sonorense, as currently circumscribed, suggest that the taxon contains two biological units that should be taxonomically distinguished, given their importance for systematics and conservation. Here we highlight that 1) D. sonorense is defined by the variation exhibited only in populations from southern Sonora and northern Sinaloa, Mexico; 2) the northernmost populations of Dioon in northwestern Mexico represent a new taxon that we describe as Dioon vovidesii. We also discuss the implications of this reassessment for cycad systematics and conservation.


英文关键词aridification endangered species MIG-seq narrow endemic Sonoran Desert species delimitation
类型Article
语种英语
国家Japan ; Mexico
收录类别SCI-E
WOS记录号WOS:000444989600004
WOS关键词EDULE LINDL. ZAMIACEAE ; EVOLUTIONARY IMPLICATIONS ; LEAFLET ANATOMY ; MORPHOLOGY ; GENETICS
WOS类目Plant Sciences
WOS研究方向Plant Sciences
来源机构Universidad Nacional Autónoma de México
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/212136
作者单位1.Chiba Univ, Dept Biol, Chiba 2638522, Japan;
2.Univ Sonora, Licenciatura Biol, Hermosillo 83000, Sonora, Mexico;
3.Univ Ciencias & Artes Chiapas, Inst Ciencias Biol, Lab Ecol Evolut, Herbario Eizi Matuda, Tuxtla Gutierrez 29039, Mexico;
4.Univ Nacl Autonoma Mexico, Inst Ecol, Dept Ecol Biodiversidad, Hermosillo 83250, Sonora, Mexico;
5.Univ Nacl Autonoma Mexico, Inst Geol, Estac Reg Noroeste, Hermosillo 83250, Sonora, Mexico;
6.Univ Ryukyus, Trop Biosphere Res Ctr, Iriomote Stn, Yaeyama, Okinawa 9071541, Japan
推荐引用方式
GB/T 7714
Said Gutierrez-Ortega, Jose,Jimenez-Cedillo, Karen,Angel Perez-Farrera, Miguel,et al. Species definition of Dioon sonorense (Zamiaceae, Cycadales), and description of D. vovidesii, a new cycad species from northwestern Mexico[J]. Universidad Nacional Autónoma de México,2018,369(2):107-114.
APA Said Gutierrez-Ortega, Jose.,Jimenez-Cedillo, Karen.,Angel Perez-Farrera, Miguel.,Martinez, Jose F..,Molina-Freaner, Francisco.,...&Kajita, Tadashi.(2018).Species definition of Dioon sonorense (Zamiaceae, Cycadales), and description of D. vovidesii, a new cycad species from northwestern Mexico.PHYTOTAXA,369(2),107-114.
MLA Said Gutierrez-Ortega, Jose,et al."Species definition of Dioon sonorense (Zamiaceae, Cycadales), and description of D. vovidesii, a new cycad species from northwestern Mexico".PHYTOTAXA 369.2(2018):107-114.
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