yucca freckled milkvetch, yucca milkvetch
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freckled milkvetch, peach springs freckled milkvetch
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Plants winter-annual or short-lived perennial, clump-forming, 15–60(–100) cm. |
Plants perennial, 3–5 cm. |
erect and ascending. |
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(5–)7–16 cm; leaflets 13–21(–25), blades broadly elliptic, oval, rhombic-obovate, or obovate, (4–)6–21 mm, apex retuse or emarginate. |
7–14 cm; leaflets 13–21, blades oblanceolate or oblong-obovate, (3–)7.5–15 mm, apex retuse-emarginate. |
loosely (12–)15–32-flowered, lax and open in fruit; axis early elongating, (4.5–)6–14 cm in fruit. |
loosely (7–)15–20-flowered, lax and open in fruit; axis (4–)5.5–9 cm in fruit. |
(3–)5–10 cm. |
7–11 cm. |
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. |
(13–)15–16.7 mm; calyx 6.7–8 mm, tube 5–5.7 mm, lobes 1.6–2.3 mm; corolla purple. |
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. |
green and unmottled becoming stramineous, plumply ovoid or subglobose, inflated but firm, 15–22 × 9–13 mm, stiffly papery or almost leathery, usually glabrous, rarely puberulent; beak 2–5 mm, unilocular. |
17–26. |
22–34. |
= 22. |
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Flowering Feb–May. |
Flowering Apr–May. |
Open sandy plains, sandy or rocky washes, gulches in foothills of desert mountains, with Larrea and in yucca-grasslands. |
Open limestone or granite hillsides. |
500–1100 m. (1600–3600 ft.) |
1200–1500 m. (3900–4900 ft.) |
AZ; NV |
AZ |
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.) |
Variety ambiguus is known from Mohave County south of the Colorado River. (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. 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. albifolius, 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, A. lentiginosus var. yuccanus |
M. E. Jones: Contr. W. Bot. 8: 3. (1898) |
Barneby: Mem. New York Bot. Gard. 13: 945. (1964) |
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