Flora of North America species comparison

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Astragalus lentiginosus var. palans
Photo is of parent taxon

freckled milkvetch, straggling milkvetch
Habit Plants perennial (sometimes short-lived), (10–)15–35(–40) cm, herbage green or subglabrescent.
Leaves

(3.5–)5–11cm;

leaflets 13–21(or 23), blades broadly obovate-cuneate, oblong-elliptic, oblong-oblanceolate, or suborbiculate-obcordate, (3–)5–17(–23) mm, apex obtuse, emarginate, or subacute, adaxial surface glabrous.
Racemes

loosely (6–)10–28-flowered;

axis elongating or not, (1–)2–12(–14.5) cm in fruit.
Peduncles

(3.5–)5–11 cm.
Flowers

13.5–17.5(–18.3) mm;

calyx 6.3–9.4 mm, tube 4.7–6.8 mm, lobes (0.9–)1.1–3(–4) mm;

corolla pink-purple.
Legumes

spreading, declined, or spreading-ascending, green becoming stramineous then blackish, ± straight to uniformly or hamately incurved, obliquely linear-lanceoloid to narrowly ovoid-acuminate, not or scarcely inflated, dehiscent on ground, (12–)15–27 × 4–8.5 mm, ± bilocular, somewhat fleshy becoming leathery or stiffly papery, glabrous or strigulose;

beak 5–8 mm, unilocular.
Seeds

20–42.
2n

= 22.

Astragalus lentiginosus var. palans
Phenology Flowering Apr–Jun.
Habitat Salt-desert shrub, blackbrush, juniper, pinyon-juniper, and mixed desert shrub com­munities.
Elevation 1100–1900 m. (3600–6200 ft.)
Distribution
from FNA
AZ; CO; UT
[BONAP county map]
Discussion

Variety palans is known from northern Arizona, excluding the Coconino Plateau and upper Verde Valley, and from southwestern Colorado and southeastern Utah.

There is no substantial difference between material included within the concept of var. palans and Astragalus bryantii, which R. C. Barneby (1964) included within sect. Leptocarpi. S. L. Welsh (2007) considered it significant that fallen fruits, characteristic of var. palans, are included with the type collection of A. bryantii.

(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. micans, A. lentiginosus var. mokiacensis, A. lentiginosus var. multiracemosus, A. lentiginosus var. negundo, A. lentiginosus var. nigricalycis, A. lentiginosus var. oropedii, 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
Synonyms A. palans, A. bryantii
Name authority (M. E. Jones) M. E. Jones: Contr. W. Bot. 8: 4. (1898)
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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