Allium macrum
| Allium macrum | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: | Asparagales |
| Family: | Amaryllidaceae |
| Subfamily: | Allioideae |
| Tribe: | Allieae |
| Genus: | Allium |
| Species: | A. macrum |
| Binomial name | |
| Allium macrum S.Wats. | |
| Synonyms[1] | |
|
Allium equicaeleste H.St. John | |
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.[2][3]
Allium macrum produces round to egg-shaped bulbs up to 2 cm long. Flowers are white with a green stripe running the length of each tepal. Anthers and pollen are yellow.[2][4][5][6]
References
- ↑ Tropicos
- 1 2 Flora of North America v 26 p 267, Allium macrum
- ↑ BONAP (Biota of North America Program) floristic synthesis, Allium macrum
- ↑ Hitchcock, C. H., A.J. Cronquist, F. M. Ownbey & J. W. Thompson. 1969. Vascular Cryptogams, Gymnosperms, and Monocotyledons. 1: 1–914. In C. L. Hitchcock Vascular Plants of the Pacific Northwest. University of Washington Press, Seattle.
- ↑ Watson, Sereno. 1879. Proceedings of the American Academy of Arts and Sciences 14: 233.
- ↑ St. John, Harold. 1931. Proceedings of the Biological Society of Washington 44(10): 31–32.
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