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Allium macrum
Allium macrum, the rock onion, is an American species of wild onion native to the eastern and central parts of the US States of Oregon and Washington. It grows on gravelly soils at elevations up to 1400 m. It is a perennial herb.
Allium macrum produces round to egg-shaped bulbs up to 2 cm long. Flowers are white to pale pink with a green stripe running the length of each tepal. Anthers and pollen are yellow.
South Idaho onion · Allium abbasii · Abrams' allium · Allium acidoides · Allium aciphyllum · Tapertip onion · Allium acutiflorum · Allium aeginiense · Allium aflatunense · Allium agrigentinum · Allium akaka · Allium akirense
Text excerpted from the Wikipedia article Allium macrum by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
