chile trefoil
Acmispon wrangelianus
Member of
deervetch (genus Acmispon)
small yellow peas
legume family (family Fabaceae)
dicots (class Magnoliopsida)
yellow in flowering plants


- generally prostrate, branched at base, 5–30 cm
- generally 4 leaflets, palmate or nearly so, 4–15 mm, elliptic to obovate
- 1 flower 1 per leaf axil
- ± no peduncle and no bracts, so flower is sessile above a normal set of leaflets
- calyx strigose [often looks glabrous]
- calyx lobes ± 0.8–1.2 × tube
- corolla 5–9 mm, yellow, reddening in age, wings ± ≤ keel
- very common
- see also bur clover (Medicago polymorpha), which has 3 leaflets instead of generally 4
Chris’s observations: 23 (15 are research grade)
Locations:
- Edgewood Park & Natural Preserve: 7
- Calero CP: 4
- Máyyan 'Ooyákma Coyote Ridge OSP: 2
- Pleasanton Ridge RP: 2
- Santa Teresa CP: 2
- Sierra Azul; OSP: 2
- Fort Ord NM
- Joseph D. Grant CP
- Monte Bello OSP
- Waterdog Lake & Open Space
Months:
- Feb.: 1
- Mar.: 9
- Apr.: 10
- May: 3
For more details, use advanced search.
Taxon info:
iNaturalist
–
Calflora
–
CalPhotos
–
Jepson eFlora
–
FNA
Bay Area species:
iNaturalist
–
Calflora