Flora of North America species comparison

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Astragalus lentiginosus var. higginsii
Photo is of parent taxon

Higgins' freckled milkvetch, Higgins' milkvetch
Habit Plants perennial, 15–25 cm.
Leaves

3–11 cm;

leaflets 15–21, blades lanceolate-elliptic to obovate, 8–18 mm, apex emarginate.
Racemes

7–17-flowered, short and compact in fruit;

axis 1–4 cm in fruit.
Peduncles

3–6.5 cm.
Flowers

17–20 mm;

calyx 7–10.4 mm, tube 6–6.8 mm, lobes 3–3.5 mm;

corolla pale violet.
Legumes

green, sometimes mottled, becoming stramineous, ovoid, greatly inflated, 19–27 × 11–16(–19) mm, semibilocular, stiffly papery, thinly translucent, glabrous.
Seeds

30–35.

Astragalus lentiginosus var. higginsii
Phenology Flowering Apr–early Jun.
Habitat Sandy to loamy soils, with Ptelea-Rhus-Prosopis, and yucca, oak, mesquite com­munities.
Elevation 800–1100 m. (2600–3600 ft.)
Distribution
from FNA
NM; TX
[BONAP county map]
Discussion

Variety higginsii, from Chaves County in New Mexico, and Hudspeth, Hutchinson, and Potter counties in Texas, almost certainly is a derivative of var. diphysus, differing only in its pale flowers.

(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. 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
Name authority S. L. Welsh & K. H. Thorne: Brittonia 33: 296, fig. 2. (1981)
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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