The genus Astragalus (Leguminosae: Papilionoideae: Galegeae) in Mexico
Author
Castillón, Eduardo Estrada
0000-0003-1061-9862
Universidad Autónoma de Nuevo León, Facultad de Ciencias Forestales, A. P. 41, 67700, Linares, Nuevo León, Mexico
aeduardoestradac@prodigy.net.mx
Author
Quintanilla, José Ángel Villarreal
0000-0001-9672-8693
Universidad Autónoma Agraria Antonio Narro, Departamento de Botánica, Saltillo, Coahuila, Mexico
javillarreal00@yahoo.com
Author
Delgado-Salinas, Alfonso
0000-0002-9322-9968
Universidad Nacional Autónoma de México, Instituto de Biología, 21068
adelgado@ib.unam.mx
Author
Rebman, Jon P.
0000-0002-4150-7356
San Diego Natural History Museum, P. O. Box 121390, San Diego, California, 92112
jrebman@sdnhm.org
text
Phytotaxa
2023
2023-03-07
586
1
1921
1935
http://dx.doi.org/10.11646/phytotaxa.586.1.1
journal article
10.11646/phytotaxa.586.1.1
1179-3163
7703999
62.3.
Astragalus nuttallianus
DC. var.
imperfectus
(Rydb.) Barneby, Leafl.
West. Bot. 3: 1009. 1942
Type:—
USA
,
Nevada
,
Nye County
,
Rhyolite
,
17 May 1909
,
Heller
9637
(
holotype
(based on
Hamosa imperfecta
)
NY00011921
!;
isotype
:
RENO009575
digital image!,
PH00013580
digital image!)
.
Hamosa imperfecta
Rydb., Bull. Torrey Bot.
Club 54: 329. 1927
.
Leaflets elliptic, none retuse; calyx teeth short,
1–2 mm
long; the tube
1.9–2.8 mm
long, the trichomes appressed o slightly ascendant, up to
0.8 mm
long.
Distribution:—
Northwestern Mexico, Baja
California
in northeastern (Cucupa Mts.), at El Mármol,
12 km
N to Santa Ynés Ranch (
29°53’N
–
114°51’W
); in Sonora, isolated at the northwestern, adjacent to the Pinacate Volcano (
31°46’N
–
113°26’W
) and isolated also in San Carlos Bay (
27°58’N
–
111° 04’W
). Also, in
Colorado
,
Utah
,
California
, and
Arizona
(
USA
) (
Fig. 19
).
Habitat:—
Adjacent to coastal dunes; gravel soils; bottom of canyons; stony plains; alluvial plains; desert scrubland;
1–420 m
.
Specimens examined:—
BAJA CALIFORNIA
:
18 April 1905
, Crater, Arrobrito, Cucapa
Mts.,
D.
MacDougal
203 (
NY
)
,
24 February1973
, Agua Dulce,
R. Moran
20260, J. L.
Reveal
(
NY
)
;
SONORA
:
15 April 1992
, Campo Rojo, east side of
Pinacate
volcanic field,
R. S. Felger
92-481B, S. W.
Whitely
(
MEXU
,
NY
)
;
15 May 2010
,
Ánimas Valley
,
58.7 km
(byr air) E. of Agua Prieta, Cuenca Los Ojos Foundation property,
T. R.
Van
Devender 2010-406,
A. L. Reina
,
C. Roll
(
MEXU
,
USON
)
;
23 March 1970
,
Mpio. Puerto Peñasco
, ca.
0.5 km
S of
Pinacate Peak
,
Sierra Pinacate
,
R. S. Felger 19310
(
USON
15 April 1992
,
Campo Rojo
, east side of
Pinacate
volcanic field,
R. S. Felger
92-481B. S. W.
Whitely
(
MEXU
).