Flora of North America species comparison

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Astragalus lentiginosus var. diphysus
Photo is of parent taxon

double-bladder freckled milkvetch, freckled milkvetch
Habit Plants perennial, (10–)15–35(–40) cm.
Stems

usually ascending, rarely prostrate.
Leaves

3–10(–14) cm;

leaflets (11–)15–21(or 23), blades oblong-oblanceolate, obovate, rhombic-obovate, elliptic, or ovate-cuneate, 4–20 mm, apex truncate-emarginate.
Racemes

± densely becoming shortly (9–)12–24-flowered, short and compact in fruit;

axis not or little elongating, 1–4(–6) cm in fruit.
Peduncles

(1.5–)2.5–8.5 cm.
Flowers

(12.6–)14.5–19 mm;

calyx 7–10.4 mm, tube (5.1–)5.5–8 mm, lobes 1.5–3.2 mm;

corolla pink-purple.
Legumes

green, purple- or red-tinged, or brightly mottled, slightly incurved, mostly plumply ovoid or subglobose, (10–)14–27(–30) × (6.5–)8–18 mm, semibilocular, stiffly papery or leathery, glabrous;

beak well-defined, triangular or deltoid, (3–)4–10 mm, unilocular or bilocular.
Seeds

28–35.
2n

= 22.

Astragalus lentiginosus var. diphysus
Phenology Flowering Mar–Jun(–Aug).
Habitat Yucca-grasslands, pinyon-juniper forests, other xeric communities.
Elevation 1400–2300 m. (4600–7500 ft.)
Distribution
from FNA
AZ; CO; NM
Discussion

Variety diphysus is widespread, ranging across the northern parts of Arizona and New Mexico, extending northward into western Colorado. D. Isely (1998) recognized var. macdougalii, here considered a form with diminutive fruits, from the San Francisco Peaks area of Arizona.

(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. 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
Synonyms A. diphysus, A. lentiginosus var. albiflorus, A. lentiginosus var. macdougalii
Name authority (A. Gray) M. E. Jones: Proc. Calif. Acad. Sci., ser. 2, 5: 673. (1895)
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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