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Acmispon argophyllus

(A. Gray) Brouillet

Silver Bird's-foot-trefoil

G5Secure Found in 29 roadless areas NatureServe Explorer →
G5SecureGlobal Rank
Identity
Unique IDELEMENT_GLOBAL.2.132185
Element CodePDFAB2A040
Record TypeSPECIES
ClassificationSpecies
Classification StatusStandard
Name CategoryVascular Plant
Endemicoccurs (regularly, as a native taxon) in multiple nations
KingdomPlantae
PhylumAnthophyta
ClassDicotyledoneae
OrderFabales
FamilyFabaceae
GenusAcmispon
Synonyms
Lotus argophyllus(Gray) Greene
Other Common Names
California Deervetch (EN) California deervetch (EN) California Trefoil (EN) California trefoil (EN)
Concept Reference
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Taxonomic Comments
FNA (2023, vol. 11) recognizes Lotus as native to Eurasia, with taxa native to North American treated as Acmispon or Hosackia. FNA (2023, vol. 11) treats Lotus argophyllus in the genus Acmispon as A. argophyllus.
Conservation Status
Review Date1990-01-16
Change Date1990-01-16
Edition Date1989-01-18
Edition AuthorsRusso, Mary (TNC WRO)
Rank Reasons
Data primarily/exclusively from Munz, 1973, Calif. Flora Lotus argophyllus var. argophyllus, four other varieties
Ecology & Habitat

Diagnostic Characteristics

Lotus argophyllus can be characterized by pod body scarcely exserted from the calyx. +/- arcuate; herbage silvery-silky, with +/- spreading hairs. Umbels sessile or nearly so; plants prostrate or decumbent. (Munz, 1974)
Terrestrial Habitats
Shrubland/chaparral
Other Nations (1)
United StatesNNR
ProvinceRankNative
CaliforniaSNRYes
Plant Characteristics
DurationPERENNIAL
Economic Value (Genus)No
Roadless Areas (29)
California (29)
AreaForestAcres
Arroyo SecoAngeles National Forest4,703
Bald RockPlumas National Forest4,675
Bucks LakePlumas National Forest680
Cactus Springs BSan Bernardino National Forest3,106
CalienteCleveland National Forest5,953
Chips CreekLassen National Forest29,089
Chips CreekPlumas National Forest12,940
Circle MountainSan Bernardino National Forest6,375
City CreekSan Bernardino National Forest9,997
Crystal CreekSan Bernardino National Forest6,783
Cucamonga AAngeles National Forest1,249
Cucamonga BSan Bernardino National Forest11,933
Cucamonga CSan Bernardino National Forest4,106
Cutca ValleyCleveland National Forest14,530
Devil GulchSierra National Forest30,490
Dry LakesLos Padres National Forest17,043
Eagle PeakCleveland National Forest6,481
Ferguson RidgeSierra National Forest6,104
MatilijaLos Padres National Forest5,218
Mill PeakSan Bernardino National Forest7,884
North Fork Middle Fork American RiverTahoe National Forest11,245
Pine CreekCleveland National Forest503
Pyramid Peak BSan Bernardino National Forest7,194
RinconSequoia National Forest54,610
San Gabriel AddAngeles National Forest2,527
Strawberry PeakAngeles National Forest7,245
Trumbull PeakStanislaus National Forest6,164
WestforkAngeles National Forest4,407
White LedgeLos Padres National Forest18,632
References (4)
  1. Flora of North America Editorial Committee (FNA). 2023. Flora of North America north of Mexico. Vol. 11. Magnoliophyta: Fabaceae, parts 1+2. Oxford Univ. Press, New York. xxvii + 1108 pp.
  2. Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
  3. Munz, P.A. 1974. A flora of southern California. Univ. California Press, Berkeley. 1086 pp.
  4. Smith, J.P., and K. Berg. 1988. California native plant society's inventory of rare and endangered vascular plants of California. 4th edition. California Native Plant Society, Sacramento. 168 pp.