Ellis' stinking milkvetch
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stinking milkvetch
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Plants robust to very robust, forming moderate to very large, bushy clumps, 10–120 cm, strigulose; from superficial or subterranean branched caudex. |
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erect or ascending, glabrate, sometimes sparsely strigose distally. |
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3–22 cm; stipules usually distinct throughout, rarely connate-sheathing at proximal nodes (var. avonensis), 2–7(–9) mm, thinly herbaceous becoming papery-scarious; leaflets 7–33, blades obovate, elliptic, oblong, lanceolate, or oblanceolate, 3–50 mm, apex obtuse or retuse to acute, surfaces sparsely strigose or glabrescent abaxially, glabrous adaxially. |
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8–33-flowered, flowers deflexed; axis 3–16 cm in fruit; bracts 1–7 mm; bracteoles 2. |
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erect, 4–26 cm. |
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1–7 mm. |
15–24 mm; calyx lobes subulate or lanceolate-attenuate, 2–5.5 mm; corolla ochroleucous, keel often faintly to definitely maculate. |
(11–)15–24 mm; calyx green or yellowish, gibbous, 5.8–14 mm, glabrous or sparsely strigose, tube 4.4–7.5 mm, lobes erect-ascending, subulate, deltate, lanceolate-subulate, lanceolate-attenuate, or triangular-subulate, 0.3–6 mm; corolla ochroleucous or pale lemon yellow, keel often faintly to definitely maculate (purplish-tipped) or immaculate; banner recurved through 45°; keel 11.5–17 mm, apex bluntly rectangular. |
ellipsoid, oblong-ellipsoid, or narrowly clavate-ellipsoid, 1.8–34 × (5–)6–10(–11) mm, strigulose, glabrous, or puberulent along sutures; stipe 1–2.5 mm. |
firmly attached to receptacle, falling while attached to pedicel, erect to spreading or declined, green or purplish-speckled becoming brown or stramineous, usually straight, ellipsoid, ovoid, cylindroid, obovoid, or subglobose, inflated, 18–42 × 5–25 mm, subunilocular, fleshy becoming leathery-woody, glabrous or puberulent; septum 0.8–2.3 mm wide; stipe 0–8 mm. |
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40–75(–84). |
distinct throughout. |
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= 24. |
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Flowering Apr–Jul. |
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Clay soils, on Cretaceous Mancos Shale and Triassic Moenkopi and Chinle formations, on alluvial substrates containing selenium, in warm and salt desert shrub and pinyon-juniper communities. |
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1300–2000 m. (4300–6600 ft.) |
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CO; NM; TX; UT |
sw United States
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Variation in var. praelongus, primarily of fruit shape and texture, and its interpretation by past authors, was reviewed by R. C. Barneby (1964). The broadest, almost subspheroid fruits of the more western var. praelongus appear very different from the oblong ones of the more eastern var. ellisiae, but their form is regionally clinal. Therefore, D. Isely (1998) placed the latter into var. praelongus, which is not an illogical disposition. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 4 (4 in the flora). Astragalus praelongus is malodorous and smells so strongly that some find the odor nauseating. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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1. Flowers 11–14(–16) mm; corollas pale lemon yellow, keel immaculate; stipules connate at proximal nodes (or completely amplexicaul) or distinct; Escalante Desert, Beaver, w Iron, and barely n into Millard counties, Utah. | var. avonensis |
1. Flowers 15–24 mm; corollas ochroleucous, keel often faintly to definitely maculate; stipules distinct; not of Escalante Desert of Utah. | → 2 |
2. Legumes ellipsoid, oblong-ellipsoid, ellipsoid-cylindroid, or narrowly clavate-ellipsoid; stipes 4.5–8 mm; San Juan County, Utah, adjacent ne Arizona, sw Colorado, and nw New Mexico. | var. lonchopus |
2. Legumes oblong, ellipsoid, oblong-ellipsoid, or narrowly clavate-ellipsoid; stipes 0–2.5 mm; Arizona, Colorado, Nevada, New Mexico, Texas, Utah. | → 3 |
3. Legumes broadly oblong to ellipsoid, (9–)10–15(–25) mm wide; n Arizona, sw Colorado, se Nevada, w New Mexico, and c, ec Utah. | var. praelongus |
3. Legumes ellipsoid, oblong-ellipsoid, or narrowly clavate-ellipsoid, (5–)6–10(–11) mm wide; wc Colorado, much of New Mexico and w Texas, ec Utah. | var. ellisiae |
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FNA vol. 11. |
FNA vol. 11. |
Fabaceae > subfam. Faboideae > Astragalus > sect. Preussiani > Astragalus praelongus |
Fabaceae > subfam. Faboideae > Astragalus > sect. Preussiani |
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A. accidens, A. accumbens, A. ackermanii, A. acutirostris, A. adanus, A. aequalis, A. agnicidus, A. agrestis, A. albens, A. albulus, A. allochrous, A. alpinus, A. altus, A. alvordensis, A. amblytropis, A. americanus, A. amnis-amissi, A. amphioxys, A. ampullarioides, A. ampullarius, A. andersonii, A. anisus, A. anserinus, A. applegatei, A. aquilonius, A. aretioides, A. argophyllus, A. aridus, A. arizonicus, A. arrectus, A. arthurii, A. asclepiadoides, A. asotinensis, A. asymmetricus, A. atratus, A. atropubescens, A. atwoodii, A. austiniae, A. australis, A. barnebyi, A. barrii, A. beathii, A. beatleyae, A. beckwithii, A. bernardinus, A. bibullatus, A. bicristatus, A. bisulcatus, A. bodinii, A. bolanderi, A. bourgovii, A. brandegeei, A. brauntonii, A. brazoensis, A. breweri, A. californicus, A. callithrix, A. calycosus, A. camptopus, A. canadensis, A. caricinus, A. casei, A. castaneiformis, A. castetteri, A. ceramicus, A. cerussatus, A. chamaeleuce, A. chamaemeniscus, A. chinensis, A. chloödes, A. chuskanus, A. cibarius, A. cicer, A. cimae, A. claranus, A. clevelandii, A. cliffordii, A. cobrensis, A. coccineus, A. collinus, A. coltonii, A. columbianus, A. concordius, A. congdonii, A. conjunctus, A. consobrinus, A. contortuplicatus, A. convallarius, A. cottamii, A. crassicarpus, A. cremnophylax, A. cronquistii, A. crotalariae, A. curtipes, A. curvicarpus, A. cusickii, A. cutleri, A. cyaneus, A. cymboides, A. deanei, A. debequaeus, A. desereticus, A. desperatus, A. deterior, A. detritalis, A. diaphanus, A. didymocarpus, A. distortus, A. diversifolius, A. douglasii, A. drabelliformis, A. drummondii, A. duchesnensis, A. eastwoodiae, A. egglestonii, A. emoryanus, A. endopterus, A. ensiformis, A. episcopus, A. equisolensis, A. eremiticus, A. ertterae, A. eucosmus, A. eurekensis, A. eurylobus, A. falcatus, A. feensis, A. filipes, A. flavus, A. flexuosus, A. fucatus, A. funereus, A. gambelianus, A. geyeri, A. gibbsii, A. giganteus, A. gilensis, A. gilmanii, A. gilviflorus, A. glycyphyllos, A. gracilis, A. grayi, A. gypsodes, A. hallii, A. hamiltonii, A. harrisonii, A. heilii, A. henrimontanensis, A. holmgreniorum, A. hoodianus, A. hornii, A. howellii, A. humillimus, A. humistratus, A. hyalinus, A. hypoxylus, A. inflexus, A. insularis, A. inversus, A. inyoensis, A. iodanthus, A. iodopetalus, A. iselyi, A. jaegerianus, A. jejunus, A. johannis-howellii, A. kelseyae, A. kentrophyta, A. kerrii, A. knightii, A. laccoliticus, A. lancearius, A. laxmannii, A. layneae, A. leibergii, A. lemmonii, A. lentiformis, A. lentiginosus, A. leptaleus, A. leptocarpus, A. leucolobus, A. limnocharis, A. lindheimeri, A. linifolius, A. loanus, A. lonchocarpus, A. lotiflorus, A. lutosus, A. lyallii, A. macrodon, A. magdalenae, A. malacoides, A. malacus, A. megacarpus, A. michauxii, A. microcymbus, A. microcystis, A. microlobium, A. micromerius, A. miguelensis, A. minthorniae, A. misellus, A. miser, A. missouriensis, A. moencoppensis, A. mohavensis, A. mollissimus, A. molybdenus, A. monoensis, A. montii, A. monumentalis, A. mulfordiae, A. multiflorus, A. musiniensis, A. naturitensis, A. neglectus, A. nelsonianus, A. neomexicanus, A. nevinii, A. newberryi, A. nidularius, A. nothoxys, A. nudisiliquus, A. nutans, A. nutriosensis, A. nuttallianus, A. nuttallii, A. nutzotinensis, A. nyensis, A. obcordatus, A. obscurus, A. oniciformis, A. oocalycis, A. oocarpus, A. oophorus, A. oreganus, A. osterhoutii, A. oxyphysus, A. pachypus, A. palmeri, A. panamintensis, A. pardalinus, A. parryi, A. pattersonii, A. pauperculus, A. paysonii, A. peckii, A. pectinatus, A. perianus, A. phoenix, A. pictiformis, A. pinonis, A. piscator, A. piutensis, A. plattensis, A. platytropis, A. polaris, A. pomonensis, A. porrectus, A. preussii, A. proimanthus, A. proximus, A. pseudiodanthus, A. pterocarpus, A. pubentissimus, A. pulsiferae, A. puniceus, A. purshii, A. pycnostachyus, A. racemosus, A. rafaelensis, A. rattanii, A. ravenii, A. recurvus, A. reflexus, A. remotus, A. reventiformis, A. reventus, A. riparius, A. ripleyi, A. robbinsii, A. rusbyi, A. sabulonum, A. sabulosus, A. salmonis, A. saurinus, A. scaphoides, A. schmolliae, A. sclerocarpus, A. scopulorum, A. sepultipes, A. serenoi, A. sericoleucus, A. serpens, A. sesquiflorus, A. sheldonii, A. shevockii, A. shortianus, A. siliceus, A. simplicifolius, A. sinuatus, A. solitarius, A. sophoroides, A. soxmaniorum, A. spaldingii, A. sparsiflorus, A. spatulatus, A. speirocarpus, A. straturensis, A. striatiflorus, A. subcinereus, A. subvestitus, A. succumbens, A. tegetarioides, A. tener, A. tennesseensis, A. tephrodes, A. terminalis, A. tetrapterus, A. thurberi, A. tibetanus, A. tidestromii, A. tiehmii, A. titanophilus, A. toanus, A. toquimanus, A. tortipes, A. traskiae, A. tricarinatus, A. trichopodus, A. tridactylicus, A. troglodytus, A. tweedyi, A. tyghensis, A. umbellatus, A. umbraticus, A. uncialis, A. utahensis, A. vaccarum, A. vallaris, A. vexilliflexus, A. villosus, A. wardii, A. waterfallii, A. webberi, A. welshii, A. wetherillii, A. whitneyi, A. williamsii, A. wingatanus, A. wittmannii, A. woodruffii, A. wootonii, A. wrightii, A. xiphoides, A. yoderwilliamsii, A. zionis |
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Jonesiella ellisiae |
A. procerus |
(Rydberg) Barneby: Mem. New York Bot. Gard. 13: 588. (1964) |
E. Sheldon: Minnesota Bot. Stud. 1: 23. (1894) |
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