Collecting Tapertip Onion (Allium acuminatum Hook.)

Abstract

As part of a biodiversity assessment and germplasm conservation project, we collected 55 populations of tapertip onion (Allium acuminatum Hook. [Alliaceae]) throughout the Great Basin region of the US (Idaho, Oregon, Nevada). Population data from field observations and herbarium specimens were entered into a geographic information system (GIS) to facilitate efficient sampling strategies and maximize the number and diversity of ecoregions represented. Although limited by the quality of source data, GIS-based population location information greatly aided in the organization and time management of the field collection. We collected, measured, and described bulbs. The bulbs will be used in common garden studies and genetic research to evaluate species diversity throughout the region, and develop in situ germplasm conservation sites for future native rangeland restoration efforts. Ex situ collections will also be entered into the National Plant Germplasm System and be available for research, ecological restoration efforts, and germplasm enhancement.