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Atlas of New Mexico, Astragalus and Oxytropis

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Atlas of New Mexico, Astragalus and Oxytropis Atlas of New Mexico Astragalus and Oxytropis IC EX O S M T A W T E E Agricultural Experiment Station • Research Report 715 N U College of Agriculture and Home Economics N Y I I T V E R S ACKNOWLEDGMENTS Astragalus flexuosus ................................................ 10 Astragalus fucatus ................................................... 10 We are grateful to all who have assisted with this Astragalus giganteus ............................................... 11 project. The preliminary stages of this atlas stemmed Astragalus gilensis .................................................. 11 from the work of Bill Fox. We thank the curators of the Astragalus gracilis .................................................. 11 herbaria (see Introduction) who allowed us access to their Astragalus gypsodes ................................................ 11 specimens and room to work. The various phases of data Astragalus hallii ...................................................... 12 gathering and mapping proceeded rapidly and efficiently Astragalus humillimus ............................................. 12 with the help of Norman Jensen and Shawn Jensen. Astragalus humistratus ............................................ 12 Astragalus iodopetalus ............................................ 12 Astragalus kentrophyta ........................................... 13 Astragalus kerrii ...................................................... 13 Astragalus knightii .................................................. 13 CONTENTS Astragalus lentiginosus ........................................... 13 Astragalus lonchocarpus ......................................... 14 Nomenclature ............................................................ 1 Astragalus lotiflorus ................................................ 14 Poisonous species of Astragalus and Oxytropis ....... 1 Astragalus micromerius .......................................... 14 New Mexico species known to contain Astragalus missouriensis ......................................... 14 swainsonine: ..................................................... 1 Astragalus mollissimus ............................................ 15 New Mexico species known to contain Astragalus monumentalis ........................................ 15 nitro-compounds: .............................................. 1 Astragalus naturitensis............................................ 15 New Mexico species known to contain Astragalus neomexicanus ........................................ 15 selenium: ........................................................... 2 Astragalus newberryi .............................................. 16 Uncommon and rare species of Astragalus Astragalus nothoxys ................................................ 16 and Oxytropis ........................................................ 2 Astragalus nuttallianus ........................................... 16 References ................................................................. 2 Astragalus oocalycis ............................................... 16 Astragalus adsurgens ................................................ 4 Astragalus pattersonii ............................................. 17 Astragalus agrestis .................................................... 4 Astragalus pictiformis ............................................. 17 Astragalus albulus ..................................................... 4 Astragalus praelongus............................................. 17 Astragalus allochrous ............................................... 4 Astragalus proximus ................................................ 17 Astragalus alpinus ..................................................... 5 Astragalus puniceus ................................................ 18 Astragalus altus ......................................................... 5 Astragalus racemosus ............................................. 18 Astragalus amphioxys ............................................... 5 Astragalus ripleyi .................................................... 18 Astragalus bisulcatus ................................................ 5 Astragalus robbinsii ................................................ 18 Astragalus bodinii ..................................................... 6 Astragalus sabulonum ............................................. 19 Astragalus brandegei ................................................ 6 Astragalus scopulorum ............................................ 19 Astragalus calycosus ................................................. 6 Astragalus sericoluecus........................................... 19 Astragalus canadensis ............................................... 6 Astragalus shortianus .............................................. 19 Astragalus castetteri .................................................. 7 Astragalus siliceus................................................... 20 Astragalus ceramicus ................................................ 7 Astragalus tenellus .................................................. 20 Astragalus chuskanus ................................................ 7 Astragalus tephrodes ............................................... 20 Astragalus cobrensis ................................................. 7 Astragalus thurberi ................................................. 20 Astragalus coltonii .................................................... 8 Astragalus vaccarum ............................................... 21 Astragalus crassicarpus ............................................ 8 Astragalus waterfallii .............................................. 21 Astragalus cyaneus .................................................... 8 Astragalus wingatanus ............................................ 21 Astragalus desperatus ............................................... 8 Astragalus wittmannii ............................................. 21 Astragalus drummondii ............................................. 9 Oxytropis deflexa..................................................... 22 Astragalus egglestonii ............................................... 9 Oxytropis lambertii ................................................. 22 Astragalus emoryanus ............................................... 9 Oxytropis parryi ...................................................... 22 Astragalus eremiticus ................................................ 9 Oxytropis sericea..................................................... 22 Astragalus feensis .................................................... 10 Oxytropis splendens ................................................ 23 Astragalus flavus ..................................................... 10 Atlas Of New Mexico Astragalus and Oxytropis Eric H. Roalson and Kelly W. Allred1 This atlas provides distribution maps for all the compounds and to be at least potentially toxic are species of Astragalus and Oxytropis found in New grouped by category below. Mexico. This is an important group of plants, compris- ing some 80 species in the Fabaceae (pea) family, the New Mexico species known to contain swainsonine: third largest plant family in the state. Many of the Astragalus allochrous A. Gray species in these two genera are toxic to livestock and var. allochrous other grazing animals (see lists below). var. playanus (M.E. Jones) Isley The maps were compiled from collection informa- Astragalus amphioxys Gray tion primarily provided by the major herbaria in the Astragalus bisulcatus (Hooker) Gray state: the Biology Herbarium at the University of New var. bisulcatus Mexico, Albuquerque; and the Biology Herbarium and var. haydenianus (Gray) Barneby Range Science Herbarium at New Mexico State Univer- Astragalus drummondii Douglas ex Hooker sity, Las Cruces. Additional records were obtained from Astragalus emoryanus (Rydberg) Cory the herbaria at Western New Mexico University (Silver Astragalus flavus Nuttall City), Arizona State University (Tempe), University of Astragalus humistratus Gray Arizona (Tucson), and Rancho Santa Ana Botanic Gar- var. humivagans (Rydberg) Barneby dens (Claremont, California). We also relied on what- Astragalus lentiginosus Douglas ex Hooker ever published sources were available, most notably var. diphysus (Gray) Jones Barneby’s (1952, 1964) monumental taxonomic works Astragalus lonchocarpus Torrey on these two genera. Astragalus missouriensis Nuttall var. amphibolus Barneby Nomenclature var. missouriensis Astragalus mollissimus Torrey We have tried to use the correct scientific nomencla- var. mollissimus ture for the names of these plants and have followed A var. earlei (Rydberg) Tidestrom Working Index of New Mexico Vascular Plant Names var. matthewsii (Watson) Barneby (Roalson and Allred 1995). In some cases, we had to var. thompsonae (Watson) M.E. Jones decide between conflicting taxonomic interpretations Astragalus oocalycis M.E. Jones (and their conflicting nomenclatures), but the refer- Astragalus praelongus Sheldon ences associated with such decisions will also be found Astragalus tephrodes Gray in the vascular plant index. Astragalus thurberi Gray Oxytropis lambertii Pursh Poisonous Species of Astragalus and Oxytropis Oxytropis sericea Nuttall ex Torrey & Gray Several species of Astragalus and Oxytropis contain New Mexico species known to contain nitro-compounds: compounds that are toxic to grazing animals: swainsonine (an alkaloid), nitro-compounds, and selenium (Fox et Astragalus emoryanus (Rydberg) Cory al., in
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