Flora of North America species comparison

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Astragalus lentiginosus var. micans
Photo is of parent taxon

freckled milkvetch, shining freckled milkvetch, shining milk vetch
Habit Plants perennial, clump-forming, 20–40 cm, herbage silvery- or white-silky, hairs 1.1–2 mm.
Leaves

4.5–9.5 cm;

leaflets 11–17, blades usually narrowly to broadly obovate or ovate, rarely rhombic-suborbiculate, 5–14 mm, apex truncate-emarginate to subacute.
Racemes

loosely (12–)20–35-flowered, lax and open in fruit;

axis (3.5–)4.5–10(–15) cm in fruit.
Peduncles

4.5–9 cm.
Flowers

12.2–14.3 mm;

calyx 6–7.6 mm, tube 4.5–4.9 mm, lobes 1.4–2.6 mm;

corolla pink-lavender.
Legumes

green, unmottled, obliquely ovoid, inflated, 15–20 × 8–10 mm, bilocular, stiffly papery, densely silky-villous-tomentulose;

beak 2.5–4 mm, unilocular.
Seeds

23–28.

Astragalus lentiginosus var. micans
Phenology Flowering Apr–Jun.
Habitat Forming large clumps over low slopes of mobile dunes.
Elevation 900–1000 m. (3000–3300 ft.)
Distribution
from FNA
CA; NV
[BONAP county map]
Discussion

Variety micans is a local adjunct of the variable var. variabilis (D. Isely 1998), restricted to the southern end of Eureka Valley in Inyo County, California, and adjacent to Big Dune and in the Amargosa Desert, near Lathrop Wells in Nye County, Nevada. Isely questioned its recognition at varietal rank, initially considering it a local dune-specialized ecotype. Although it is ordinarily a strong perennial, some plants are evidently short-lived, a feature shared with var. coulteri.

Variety micans is in the Center for Plant Conservation’s National Collection of Endangered Plants.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus > sect. Diphysi > Astragalus lentiginosus
Sibling taxa
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. 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
Name authority Barneby: Leafl. W. Bot. 8: 22. (1956)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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