|Yolla Bolly bedstraw|
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Yolla Bolly bedstraw is a species of plants in the family Rubiaceae, native to British Columbia, northern California and southeastern Oregon. It has for years been known by the scientific name Galium ambiguum, but under the international rules of nomenclature this use of the name is unacceptable because it was already used for a French plant before Wight applied it to this American species. The provisional name Galium stebbinsii has been suggested, but this is at yet (May 2014) unpublished, so another name could eventually be chosen instead.
Yolla Bolly bedstraw is a hairy, mat-forming perennial herb producing clumps of small green stems up to about 15 centimeters long. The stems have whorls of four narrow, pointed linear leaves each. The plant is dioecious, with individuals bearing either male or female flowers. The staminate flowers are borne in clusters, while the pistillate flowers appear singly in leaf axils; both types of flower are yellow-green in color.
- Biota of North America Program, Galium ambiguum
- Kew World Checklist of Selected Plant Families, Galium stebbinsii ined., accessed May 2014
- Wight, William Franklin. 1900. Zoë 5(3): 55, Galium ambiguum W.Wight
- Grenier, Jean Charles Marie & Godron, Dominique Alexandre. 1850. Flore de France 2: 20, Galium ambiguum Gren. & Godr.
- Hickman, J. C. 1993. The Jepson Manual: Higher Plants of California 1–1400. University of California Press, Berkeley.
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