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| Plants perennial, 19–32 cm. |
diffuse and incurved-ascending, often red- or purple-tinged. |
(2.5–)4–11 cm; leaflets (7–)13–19, blades elliptic-oblanceolate, broadly oblong-oblanceolate, or obovate, (2–)5–17 mm, apex obtuse or emarginate. |
5–11-flowered, flowering from middle and distally, short and compact in fruit; axis 0.5–5 cm in fruit. |
2.2–5 cm. |
12.5–14.5 mm; calyx 7.5–10.2 mm, tube 5.2–5.8 mm, lobes 1.8–4.4 mm; corolla bright pink-purple with pale, striate eye. |
purplish, often red-mottled, becoming stramineous, ellipsoid to lanceoloid-ovoid or ellipsoid-acuminate, moderately inflated, 23–34 × 6–15 mm, bilocular, stiffly papery or almost leathery, usually glabrous, rarely puberulent; beak well-defined, triangular or deltoid, 7–12 mm, unilocular. |
40. |
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| Flowering late Apr–Jun. |
| Salt and sand desert shrub communities with shadscale, greasewood, sagebrush, and horsebrush, in pinyon-juniper communities. |
| 1400–1700(–2300) m. (4600–5600(–7500) ft.) |
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UT |
Variety negundo, which is known from Box Elder, Millard, and Tooele counties, fills a portion of the gap in distribution between var. platyphyllidius, with which it shares relatively thick-textured fruits, and var. chartaceus, with which it is transitional to the south. From either taxon, the elongated fruit is evidently diagnostic, apparent only as fruits approach maturity. The lower flower number is characteristic of var. negundo and is more or less diagnostic. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
| FNA vol. 11. |
| Fabaceae > subfam. Faboideae > Astragalus > sect. Diphysi > Astragalus lentiginosus |
A. lentiginosus var. albifolius, A. lentiginosus var. ambiguus, A. lentiginosus var. antonius, A. lentiginosus var. australis, A. lentiginosus var. chartaceus, A. lentiginosus var. coachellae, A. lentiginosus var. coulteri, A. lentiginosus var. diphysus, A. lentiginosus var. floribundus, A. lentiginosus var. fremontii, A. lentiginosus var. higginsii, A. lentiginosus var. idriensis, A. lentiginosus var. ineptus, A. lentiginosus var. kennedyi, A. lentiginosus var. kernensis, A. lentiginosus var. latus, A. lentiginosus var. lentiginosus, A. lentiginosus var. macrolobus, A. lentiginosus var. maricopae, A. lentiginosus var. micans, A. lentiginosus var. mokiacensis, A. lentiginosus var. multiracemosus, A. lentiginosus var. nigricalycis, A. lentiginosus var. oropedii, A. lentiginosus var. palans, A. lentiginosus var. piscinensis, A. lentiginosus var. platyphyllidius, A. lentiginosus var. pohlii, A. lentiginosus var. salinus, A. lentiginosus var. scorpionis, A. lentiginosus var. semotus, A. lentiginosus var. sesquimetralis, A. lentiginosus var. sierrae, A. lentiginosus var. stramineus, A. lentiginosus var. toyabensis, A. lentiginosus var. trumbullensis, A. lentiginosus var. variabilis, A. lentiginosus var. vitreus, A. lentiginosus var. wahweapensis, A. lentiginosus var. wilsonii, A. lentiginosus var. yuccanus |
| S. L. Welsh & N. D. Atwood in S. L. Welsh: N. Amer. Sp. Astragalus, 302, fig. 285u. (2007) |
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