pohil's milkvetch, pohl's milkvetch
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Borrego Springs milkvetch
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Plants perennial, 7–20 cm. |
Plants winter-annual, 10–30 cm, herbage densely pubescent). |
(4–)5–9 cm; leaflets 11–17, blades broadly obovate-cuneate or suborbiculate, 4–11 mm, apex obtuse or retuse to emarginate. |
6–10(–16) cm; leaflets (7–)15–19, blades broadly obovate-cuneate to elliptic-oblanceolate, 4–14(–21) mm, apex obtuse or emarginate to retuse. |
shortly and loosely 3–9-flowered, short and compact in fruit; axis 1–3.5 cm in fruit. |
loosely 13–35(–48)-flowered; axis (4.5–)6–18(–26) cm in fruit. |
1–4 cm. |
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. |
12–14.8 mm; calyx 5.2–6.6 mm, tube 4–5.1 mm, lobes 1–2.3 mm; corolla pink-purple. |
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. |
greenish stramineous, sometimes faintly mottled, lanceoloid to ovoid-acuminate, not or scarcely inflated, slightly turgid, 15–23 × 4.5–6 mm, ± bilocular, thin becoming papery, silky-strigulose-villosulous; beak short, unilocular. |
24–32. |
(10–)13–20. |
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Flowering May–Jun. |
Flowering late Feb–May. |
Greasewood, shadscale, horsebrush, and big sagebrush communities, vegetated sand dunes. |
Sandy flats and semistabilized dunes, with Larrea. |
1300–1700 m. (4300–5600 ft.) |
30–900 m. (100–3000 ft.) |
UT |
AZ; CA; Mexico (Sonora) |
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 coulteri is found in the southern Colorado Desert, extending from eastern San Diego County in California, to the Yuma Desert in extreme southwestern Yuma County in Arizona, and adjacent Sonora, Mexico. (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. 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, A. lentiginosus var. yuccanus |
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A. coulteri, A. agninus, A. arthurschottii, A. lentiginosus var. borreganus |
S. L. Welsh & Barneby: Iselya 2: 1. (1981) |
(Bentham) M. E. Jones: Contr. W. Bot. 8: 4. (1898) |
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