- Scientific Name: Acmispon americanus var. americanus
- Family: Fabaceae
- Common Names: American bird's-foot trefoil
- Synonyms/Misapplications: Lotus purshianus, Lotus unifoliolatus
- Codon: ACMAME
Contents
Taxonomy
| Scientific classification | |
|---|---|
| Kingdom: | Plantae |
| Subkingdom: | Viridiplantae |
| Phylum: | Tracheophyta |
| Subphylum: | Spermatophytina |
| Class: | Magnoliopsida |
| Subclass: | Rosanae |
| Order: | Fabales |
| Family: | Fabaceae |
| Genus: | Acmispon Raf. |
| Species: | Acmispon americanus var. americanus (Nutt.) Rydb. |
Description
Hairy annual herb to 6 dm tall with axillary, cream to yellow papilionaceous flowers.[2] Stems erect to prostrate.[3] Leaves mostly 3-foliate, upper leaves often becoming simple, stipules minute.[4] Calyx teeth longer than tube; corolla cream to yellowish; stamens 10, diadelphous; ovary simple, superior.[2] Pods with 4-8 seeds, slightly constricted.[3]
Bloom Period
April to September[3]
Distribution
Across Washington, southern British Columbia to Mexico, inland across North America.[2]
Habitat
Sandy or rocky soils in forested or open locations.[2]
Propagation
Hot water treatment if planting by seed. Irrigate one time per month once established.[5]
Photo Gallery
Photo by Robert L. Carr
References
- ↑ Integrated Taxonomic Information System. Retrieved from https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=820914#null
- ↑ 2.0 2.1 2.2 2.3 Hitchcock, C. L., Cronquist, A., Giblin, D., & Legler, B. et al. (2018). Flora of the Pacific Northwest: an illustrated manual. Seattle: University of Washington Press, p. 128.
- ↑ 3.0 3.1 3.2 WTU Herbarium, Burke Museum, & University of Washington. Retrieved from https://biology.burke.washington.edu/herbarium/imagecollection/taxon.php?Taxon=Acmispon%20americanus
- ↑ Jepson Herbarium Online Flora. Retrieved from https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=91832
- ↑ California Native Plant Society: Calscape. Retrieved from https://calscape.org/Acmispon-americanus-(American-Bird's-Foot-Trefoil)?srchcr=sc5aa1b8aa18112
