Acmispon argophyllus, synonymLotus argophyllus, is a species of legume native to California and northwest Mexico.[1] It is known by the common name silver bird's-foot trefoil or silver lotus.[2]
Acmispon argophyllus is a perennial herb growing prostrate to erect, the base of its stem woody and tough and upper parts coat in silky silvery hairs. The leaves are each made up of pairs of hairy oval leaflike leaflets around a centimeter long.
The inflorescence is a cluster of many tubular yellow flowers each about a centimeter long, encased at the base in a calyx of silky-hairy sepals. The fruit is legume pod generally containing a single seed.
A. a. var. argenteus — Channel Islands silver lotus is endemic to several of the Channel Islands.[4]
A. a. var. argophyllus — Fremont's silver lotus is a more common variety which can be found in mainland distribution.[5]
A. a. var. fremontii is known only from the Sierra Nevada.
A. a. var. niveus — Santa Cruz Island bird's-foot trefoil, endemic to Santa Cruz Island, another of the Channel Islands, is rare.[6][7]
A. a. var. ornithopus —Guadalupe bird's-foot trefoil, endemic to Guadalupe Island in Baja California, and is sometimes lumped into var. argenteus.[8][9]
^. Archived from the original on 2009-05-08. Retrieved 2009-08-22.
^Rebman, J. P.; Gibson, J.; Rich, K. (2016). "Annotated checklist of the vascular plants of Baja California, Mexico" (PDF). San Diego Society of Natural History. 45: 148.
^Brouillet, Luc (10 April 2020). "New combinations in the American genus Acmispon (Fabaceae: Loteae)" (PDF). Phytoneuron. 2020–29: 1–3.
External linksedit
Wikimedia Commons has media related to Acmispon argophyllus.
Jepson Manual Treatment — Lotus argophyllus
USDA Plants Profile
Lotus argophyllus Photo gallery
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acmispon, argophyllus, this, article, includes, list, general, references, lacks, sufficient, corresponding, inline, citations, please, help, improve, this, article, introducing, more, precise, citations, february, 2018, learn, when, remove, this, template, me. This article includes a list of general references but it lacks sufficient corresponding inline citations Please help to improve this article by introducing more precise citations February 2018 Learn how and when to remove this template message Acmispon argophyllus synonym Lotus argophyllus is a species of legume native to California and northwest Mexico 1 It is known by the common name silver bird s foot trefoil or silver lotus 2 Acmispon argophyllusScientific classificationKingdom PlantaeClade TracheophytesClade AngiospermsClade EudicotsClade RosidsOrder FabalesFamily FabaceaeSubfamily FaboideaeGenus AcmisponSpecies A argophyllusBinomial nameAcmispon argophyllus A Gray Brouillet 1 Synonyms 1 Hosackia argophylla A GrayLotus argophyllus A Gray GreeneIt is native to northwest Mexico and California where it can be found in the southern California Coast Ranges Peninsular Ranges and Transverse Ranges the Sierra Nevada Southern California coastal zones and the Channel Islands It is found on sheltered rocky slopes in chaparral conifer forest and other habitat types Contents 1 Description 1 1 Varieties 2 See also 3 References 4 External linksDescription editAcmispon argophyllus is a perennial herb growing prostrate to erect the base of its stem woody and tough and upper parts coat in silky silvery hairs The leaves are each made up of pairs of hairy oval leaflike leaflets around a centimeter long The inflorescence is a cluster of many tubular yellow flowers each about a centimeter long encased at the base in a calyx of silky hairy sepals The fruit is legume pod generally containing a single seed Varieties edit The varieties of this species include 2 A a var adsurgens San Clemente Island bird s foot trefoil is endemic to San Clemente Island one of the Channel Islands of California It is rare 3 A a var argenteus Channel Islands silver lotus is endemic to several of the Channel Islands 4 A a var argophyllus Fremont s silver lotus is a more common variety which can be found in mainland distribution 5 A a var fremontii is known only from the Sierra Nevada A a var niveus Santa Cruz Island bird s foot trefoil endemic to Santa Cruz Island another of the Channel Islands is rare 6 7 A a var ornithopus Guadalupe bird s foot trefoil endemic to Guadalupe Island in Baja California and is sometimes lumped into var argenteus 8 9 See also editCalifornia chaparral and woodlandsReferences edit a b c Acmispon argophyllus A Gray Brouillet Plants of the World Online Royal Botanic Gardens Kew retrieved 2018 02 05 a b Calflora database Acmispon argophyllus A Gray Brouillet accessed 2 14 2013 Calflora L a var adsurgens Calflora L a var argenteus Calflora L a var argophyllus Calflora L a var niveus Botany Photo of the Day var niveus Archived from the original on 2009 05 08 Retrieved 2009 08 22 Rebman J P Gibson J Rich K 2016 Annotated checklist of the vascular plants of Baja California Mexico PDF San Diego Society of Natural History 45 148 Brouillet Luc 10 April 2020 New combinations in the American genus Acmispon Fabaceae Loteae PDF Phytoneuron 2020 29 1 3 External links edit nbsp Wikimedia Commons has media related to Acmispon argophyllus Jepson Manual Treatment Lotus argophyllus USDA Plants Profile Lotus argophyllus Photo gallery nbsp This Loteae related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Acmispon argophyllus amp oldid 1168574043, wikipedia, wiki, book, books, library,
