Astragalus lentiginosus var. vitreus |
Astragalus lentiginosus var. kennedyi |
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freckled milkvetch, glass freckled milkvetch |
Kennedy's freckled milkvetch, Kennedy's milkvetch |
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Habit | Plants perennial, 15–40 cm. | Plants biennial or perennial (short-lived), (10–)15–40(–50) cm; herbage villosulous. |
Stems | glabrous or glabrate. |
decumbent and ascending. |
Leaves | 4.5–10 cm; leaflets (7–)13–19, blades obovate-cuneate or oblong-obovate, (5–)7–17(–21) mm, apex obtuse or truncate-emarginate. |
4.5–12(–15) cm; leaflets (9–)15–21(or 23), blades obovate-cuneate to broadly oblong-oblanceolate, (5–)7–20 mm, apex obtuse, emarginate, or retuse. |
Racemes | loosely (10–)15–27-flowered, lax and open in fruit; axis 4–8.5 cm in fruit. |
loosely (10–)15–35-flowered, lax and open in fruit; axis (3.5–)5–12 cm in fruit. |
Peduncles | 4–9.5 cm. |
(3–)4.5–7.5 cm. |
Flowers | 13.2–17 mm; calyx 6.5–8 mm, tube 4.6–5.7 mm, lobes (1.5–)1.7–2.3 mm; corolla pink-purple or lavender with white wing tips. |
(11.8–)12.5–17 mm; calyx 6.1–8.8 mm, tube 4.1–5.7 mm, lobes 1.6–3.1 mm; corolla bright pink. |
Legumes | pale green and unmottled turning pallid, usually broadly ovoid, rarely lunately lanceoloid-acuminate, usually strongly inflated, rarely less so, 15–25 × (7–)9–15 mm, papery-membranous, subtranslucent, lustrous, glabrous; beak triangular, short, unilocular. |
stramineous, usually narrowly ovoid-acuminate, more rarely plumply so, bladdery-inflated, (20–)25–30 × 9–15 mm, papery-membranous, usually lustrous, usually glabrous, rarely puberulent; beak 5–9 mm, unilocular. |
Seeds | 21–31. |
(24–)26–36. |
2n | = 22. |
= 22. |
Astragalus lentiginosus var. vitreus |
Astragalus lentiginosus var. kennedyi |
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Phenology | Flowering Apr–Jun. | Flowering Apr–Jun. |
Habitat | Gullied badlands and desert flats, on sand or clay derived from sandstone or limestone, on volcanic gravel. | Alkaline dunes, sandy valleys, dry stony knolls, sometimes on volcanic gravel or cinders. |
Elevation | 800–1500(–2000) m. (2600–4900(–6600) ft.) | 1100–1800 m. (3600–5900 ft.) |
Distribution |
AZ; UT |
NV |
Discussion | Variety vitreus is found in the valleys of the upper Virgin River and Kanab Creek, southward to the northern slope of the Kaibab Plateau, and Toroweap and House Rock valleys in eastern Washington and western Kane counties in Utah, and northern Mohave and northwestern Coconino counties in Arizona. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Variety kennedyi is a locally abundant endemic of west-central Nevada, blending with var. fremontii in the south. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Cystium kennedyi | |
Name authority | Barneby: Leafl. W. Bot. 4: 119, plate 3, figs. 30–33. (1945) | (Rydberg) Barneby: Leafl. W. Bot. 4: 121. (1945) |
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