pohil's milkvetch, pohl's milkvetch
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yucca freckled milkvetch, yucca milkvetch
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Plants perennial, 7–20 cm. |
Plants winter-annual or short-lived perennial, clump-forming, 15–60(–100) cm. |
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erect and ascending. |
(4–)5–9 cm; leaflets 11–17, blades broadly obovate-cuneate or suborbiculate, 4–11 mm, apex obtuse or retuse to emarginate. |
(5–)7–16 cm; leaflets 13–21(–25), blades broadly elliptic, oval, rhombic-obovate, or obovate, (4–)6–21 mm, apex retuse or emarginate. |
shortly and loosely 3–9-flowered, short and compact in fruit; axis 1–3.5 cm in fruit. |
loosely (12–)15–32-flowered, lax and open in fruit; axis early elongating, (4.5–)6–14 cm in fruit. |
1–4 cm. |
(3–)5–10 cm. |
20–23 mm; calyx 8.5–10.5 mm, tube 8–10 mm, lobes 2.4–3 mm; corolla whitish tinged with violet. |
11–15.6 mm; calyx 6–7.5 mm, tube 4.4–5.7 mm, lobes (1.3–)1.5–2.4 mm; corolla white or ochroleucous, concolorous, sometimes fading pale bluish, petals poorly graduated, banner slightly longer than wings, wings and keel nearly equal length. |
pale green or purple-speckled becoming stramineous or brownish, plumply ovoid, strongly inflated, 23–33 × 10–15 mm, ± bilocular, leathery or stiffly papery, minutely strigulose; beak 5–15 mm, unilocular; stipe 0.5–1.5 mm. |
stramineous, plumply ovoid-acuminate or subglobose, strongly inflated, 15–25(–32) × 10–18 mm, bilocular, papery-membranous, subtranslucent, usually glabrous, rarely minutely strigulose; beak 3–7 mm, unilocular. |
24–32. |
17–26. |
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= 22. |
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Flowering May–Jun. |
Flowering Feb–May. |
Greasewood, shadscale, horsebrush, and big sagebrush communities, vegetated sand dunes. |
Open sandy plains, sandy or rocky washes, gulches in foothills of desert mountains, with Larrea and in yucca-grasslands. |
1300–1700 m. (4300–5600 ft.) |
500–1100 m. (1600–3600 ft.) |
UT |
AZ; NV |
Variety pohlii is restricted to the Rush and Skull valleys in Tooele County. The shortly stipitate fruit is unusual among varieties of Astragalus lentiginosus. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Variety yuccanus occurs in west-central Arizona, barely entering Nevada in the southern tip of Clark County. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
FNA vol. 11. |
FNA vol. 11. |
Fabaceae > subfam. Faboideae > Astragalus > sect. Diphysi > Astragalus lentiginosus |
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. negundo, A. lentiginosus var. nigricalycis, A. lentiginosus var. oropedii, A. lentiginosus var. palans, A. lentiginosus var. piscinensis, A. lentiginosus var. platyphyllidius, 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 |
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. negundo, 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 |
S. L. Welsh & Barneby: Iselya 2: 1. (1981) |
M. E. Jones: Contr. W. Bot. 8: 3. (1898) |
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