期刊
ECONOMIC BOTANY
卷 74, 期 2, 页码 159-177出版社
SPRINGER
DOI: 10.1007/s12231-020-09494-0
关键词
Elymus; ethnobotany; fruit morphology; perennial agriculture; domestication; Poaceae
资金
- Perennial Agriculture Project
- Malone Family Land Preservation Foundation
- Land Institute
- Missouri Botanical Garden
- Saint Louis University
An Ethnobotanical Study of the GenusElymus Grains of domesticated grasses (Poaceae) have long been a global food source and constitute the bulk of calories in the human diet. While most contemporary grass domesticates consumed by humans are annual plants, there are over 7000 perennial grass species that remain largely unexplored for domestication purposes. Documenting ethnobotanical uses of wild perennial grasses could aid in the evaluation of candidate species for de novo crop development. In this study, we 1) provide an ethnobotanical survey of the perennial grass genusElymus; and 2) investigate floret size variation inElymusspecies used by people. We identified at least 21 taxa with recorded nutritional, medicinal, and/or material uses and at least 25 different indigenous communities associated with a use. The most common ethnobotanical use ofElymusin this survey is as forage, though at least 12 species are consumed by humans.Elymusspecies used for food warrant pre-breeding and future analyses to assess potential utility in perennial agricultural systems. We found average floret area does not differ significantly across geographic regions and among documented ethnobotanical uses, with the exception of species used for medicine in North America. A variety ofElymusspecies show promise for continued human use, and standing morphological variation in the genus should be further explored.
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