Tehuana calzadae (Asteraceae: Heliantheae) gen et sp nov from the Pacific Coast of Oaxaca, Mexico

被引：2
|
作者：
Panero, JL [1 ]
Villasenor, JL [1 ]
机构：
[1] UNIV NACL AUTONOMA MEXICO,INST BIOL,DEPT BOT,HERBARIO NACL,MEXICO CITY 04510,DF,MEXICO
来源：
SYSTEMATIC BOTANY | 1996年 / 21卷 / 04期
关键词：
D O I：
10.2307/2419614
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Tehuana calzadae is a new genus and species from the Pacific coast of Oaxaca, Mexico, belonging to subtribe Zinniinae (Asteraceae: Heliantheae). A cladistic study based on morphological and chromosomal data indicates that Heliopsis and Philactis are its immediate sister taxa. Tehuana calzadae differs from the latter true genera in having pales with subulate tips, disc cypselae with four ribs, and disc corollas with unevenly thickened biconvex tubes, as shown in illustration and a key to genera of subtribe Zinniinae.
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收藏
页码：553 / 557
页数：5
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