Flora of North America species comparison

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Astragalus lentiginosus var. antonius
Photo is of parent taxon

freckled milkvetch, Mount San Antonio milkvetch, San Antonio milk vetch
Habit Plants perennial, 7–30 cm, herbage cinereous or silvery-canescent.
Leaves

3–8 cm;

leaflets 11–19(or 21), blades obovate or elliptic, 2.5–11 mm, apex obtuse or emarginate.
Racemes

10–15-flowered, short and compact in fruit;

axis 0.5–4(–5) cm in fruit.
Peduncles

(1–)2–5.5 cm.
Flowers

9–10.5 mm;

calyx 4.2–5.5 mm, tube 3.2–4 mm, lobes 0.8–1.4 mm;

corolla purple.
Legumes

mottled becoming stramineous, plumply ovoid-acuminate or subglobose, bladdery-inflated, 14–22(–30) × 10–16(–18) mm, papery, strigulose;

beak erect, triangular, 3–6 mm, unilocular.
Seeds

20–26.

Astragalus lentiginosus var. antonius
Phenology Flowering late Apr–Jul.
Habitat Ponderosa pine forests.
Elevation 1500–2600 m. (4900–8500 ft.)
Distribution
from FNA
CA
[BONAP county map]
Discussion

Variety antonius, from the eastern end of the San Gabriel Mountains in eastern Los Angeles and adjacent San Bernardino counties, is the homologue of var. sierrae, from which it differs by its much denser pubescence and mostly flat leaflets (D. Isely 1998).

(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. 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. 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. 4: 100, plate 2, figs. 7–9. (1945)
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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