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Allium anceps (twinleaf onion) (5720930160)

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Ordo: Asparagales

Familia: Amaryllidaceae
Subfamilia: Allioideae
Tribus: Allieae
Genus: Allium
Subgenus: A. subg. Amerallium
Sectio: A. sect. Lophioprason
Species: Allium anceps

Allium anceps Kellogg
Native distribution areas:

Continental: Northern America
California; Idaho; Nevada; Oregon

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition

Kellogg, A., Proceedings of the California Academy of Sciences 2:109. 1863


Hassler, M. 2018. Allium anceps. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 Jul. 20. Reference page.
International Plant Names Index. 2018. Allium anceps. Published online. Accessed: Jul. 20 2018.
The Plant List 2013. Allium anceps in The Plant List Version 1.1. Published online. Accessed: 2018 Jul. 20. 2018. Allium anceps. Missouri Botanical Garden. Published online. Accessed: 20 Jul. 2018.
Govaerts, R. et al. 2018. Allium anceps in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2018 Jul. 20. Reference page.
USDA, ARS, Germplasm Resources Information Network. Allium anceps in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 08-Apr-12.

Vernacular names
English: twinleaf onion, Kellogg's onion

Allium anceps, known as twinleaf onion[1] and Kellogg's onion,[2] is a species of wild onion native to the western United States. It is widespread in Nevada, extending into adjacent parts of California, Idaho, and Oregon.[2] It grows in barren clay and rocky soils.[2][3][4]
Flowering plants

This perennial herb produces a flowering scape from a bulb up to 2 cm (3⁄4 in) long and wide. There are up to 5 bulbs, sometimes wrapped together in the brown or yellow-brown outer coat. There are two flat, smooth-edged, sickle-shaped leaves up to 26 cm (10 in) long. The scape is erect, up to 15 cm (6 in) tall, and flattened with winged edges. It bears an umbel of 15 to 35 flowers with two spathes at the base. The star-shaped flower is roughly 1 cm (1⁄3 in) wide with six greenish-veined pink tepals. The six stamens are tipped with yellow anthers bearing yellow pollen. Once the seeds mature the scape dies and breaks off, usually along with the leaves.[4][5]

The bulbs are edible and were a food source for the Northern Paiute, who roasted them and pressed them into cakes.[6]

Allium anceps. USDA PLANTS.
Allium anceps. NatureServe. 2012.
Allium anceps. The Jepson eFlora 2013.
Allium anceps. Flora of North America.
Kellogg, Albert. 1863. Proceedings of the California Academy of Sciences 2: 109, f. 32.
Allium anceps. Native American Ethnobotany. University of Michigan, Dearborn.

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