48.2. Astragalus insularis Kellogg var. insularis

Type:— MEXICO, Baja California, Isla Cedros, 4 June 1877, J. A. Veatch (holotype: CAS not found: isotype: CAS0001064 digital image!) .

Astragalus insularis Kellog, Bull. Calif. Acad. Sci. 1: 6: 1884. - Astragalus triflorus (DC.) A. Gray var. insularis (Kellog) M. E. Jones, Proc. Calif. Acad. Sci. II. 5: 637. 1895. — Phaca insularis (Kellog) Rydb., N. Amer. Fl. 24: 353. 1929. — Astragalus insularis Kellog var. pondii M. E. Jones, Rev. N.-Amer. Astragalus 104. 1923.

Phaca pondii Rydb., N. Amer. Fl. 24(6): 351. 1929.

Distinctive characters as in the key.

Distribution:— Variety endemic to the peninsula of Baja California. More frequently distributed along the western coast of Baja California, from Mina Columbia (29°19’N) and Punta Prieta (28°57’N – 114°09’W), through Los Tepetates and Las Palomas (central-western portion of peninsula), also on Cedros and San Lorenzo islands. In Baja California Sur along western coast, from San Cristobal (27°24’N – 114°30’W), to the south, through de San Pablo, San Roque to El Batequi, San Juan and La Ballena (26°21’N – 112°35’W) (Fig. 14).

Habitat:— Volcanic rocks; boulder fields; sandy valleys floors; seasonally flooded valleys; eroding low coastal hills; seasonally; steep ravines; arid scrublands; sacrocaule scrub; rocky slopes with columnar cacti, wolfberry, and prickly-pear; associated with cirio (boojum), creosote bush, jojoba, mezquite, prickly-pear, wolfberry, saltbush, maguey; 6– 550 m.

Specimens examined:—BAJA CALIFORNIA: 11 March 1998, Desierto de Vizcaino; N de El Arco; N de Calmalli, a lo largo de la carretera entre Rancho Esperanza y Rancho Miramar, J. Rebman 4867 (BCMEX; SD); 20 March 1966, Rancho Carrizo, R. Moran 12835 (NY); 3 June 1925, Cedros Island, H. L. Mason 1994 (CAS) ; 24 March 1962, San Lorenzo Island (southern island), Gulf of California I. L. Wiggins 17274 (CAS, NY); 17 February 1962, 9 miles south of Higuera on road from Bahia de los Angeles to San Borja, I. L. Wiggins 16728 (CAS, MEXU, US); 12 March 1911, Cedros Island, J. N. Rose 16151 (NY) ; 18–20 March 1889, Cedros Island, E. Palmer 685 (NY) ; 25 February 1935, 2 miles east of Rancho Mesquital, F. Shreve 6961 (CAS) ; 19 March 2010, 24 km NW by air from turn off of Highway 1 to Bahia de los Angeles, B. T. Wilder 10-119, J. P. Rebman, I. Andrew Happle, S. I. Enciso (CAS, USON, SD) ; 1 March 1985, 10–20 km N or Puerto Santa Catarina on road to Rancho Santa Catarina, D. E. Breedlove 62276 (CAS, MEXU, NY, TEX-LL) ; 26 February1986, Near Punta Canoas, D. E. Breedlove 62490 (CAS, ENCB, MEXU, NY, TEX-LL) ; 1 May 1970, 7 miles north of Jaraguay, R. R. Humphrey 2070 (CAS, ENCB) ; 20 March 1960, 18 miles north of Punta Prieta ½ mile south of road to San Felipe, I. L. Wiggins 15972- A, D. B. Wiggins (NY) ; 18 March 1939, Canyon southeast of Mount Cerros, Cedros Island, A. L. Haines n.n, G. Hale (CAS, MEXU, NY, SD, TEX-LL) ; 20 March 1966, 10 miles north of San Borja, R. V. Moran 7960 (NY) ; 24 March 1962, cerca del extremo S de la isla N San Lorenzo, R. Moran 8881 (SD) ; 15 April 1963, Isla Cedros, NO del pueblo de Cedros, camino a la primavera, R. Moran 10619 (SD) ; VIII-1931, Isla Cedros, G. Fleming n.n (SD) ; 21 July 1939, Isla Cedros, L. M. Walker, n.n (SD) ; 30 March 1978, Isla Cedros; Cañon Grande, R. Moran 25422 (SD) ; 16 April 1963, Isla Cedros; en el lecho del arroyo en medio de la costa este, R. Moran 10685 (SD) ; 21 July 1980, Isla Cedros, cerca del aeródromo al sur del pueblo, R. Moran 29066 (SD) ; 24 March 1962, Lado suroeste de la isla sur de San Lorenzo, R. Moran 8900 (NY, SD) ; 12 April 1983, Isla Cedros, lavar al norte de la ciudad, T. Oberbauer s.n., H. & E. Wier (SD) ; 28 April 1987, 14 Km al SW de Cataviña, por la carr. Transpeninsular, P. Tenorio L. 13128, C. Romero de T. (CFNL, MEXU) ; 7 April 1973, 5–6 miles S. of road to Bahia Los Angeles alog road to Mission San Borja, H. S. Gentry 23164 (MEXU) ; 1 May 1987, Rancho El Potrero, 40 km al SW de el Observatorio de San Pedro Martir, P. Tenorio L. 13224, C. Romero de T. (MEXU) ; 30 March 1977, C. 43 mi S of Cataviña, G. L. Webster 21716 (MEXU) ; 20 April 1987, San Roque, P. Tenorio L. 12941, C. Romero de T. (MEXU) ; 26 March 1970, ocassional in arroyo bed, ammonite area, Arroyo Santa Catarina, 5 miles N of the mouth, R. Moran 16939 (ENCB) ; 27 February 1987, 8 km on Mex Hwy 8 north of Puerto Peñasco, at road junction to Bahia de La Choya, R. Felger 87-21 (MEXU) . BAJA CALIFORNIA SUR: 14 February1973, Arroyo San José, R. Moran 20132, J. L. Reveal (NY, US, SD); 5 February1972?, Arroyo 3 miles SE of San Andrés, R. Moran 19798 (NY, US); 24 April 1989, Vizcaino Desert, plain S of Mesa Punta de Auras, 5 miles N of Bahia Asuncion on rd to San Jose del Castro, S. 3480, T. Ross, L. Arnseth (MEXU, NY) ; 26 March 1982, Pacific slope of Sierra de Placeros 35 km SE of Bahia Tortugas, D. E. Breedlove 60941 (NY) ; 7 March 1985, 35 km SE of Bahia Tortugas, pacific slope of Sierra de Placeros, D. E. Breedlove 62318 (CAS, MEXU, NY, TEX-LL) ; 13 March 1911, San Bartolomé Bay, J. N. Rose 16195 (NY) ; 14 March 1911, San Bartolomé Bay, J. N. Rose 16904 (NY) ; 31 March 1978, Long trail above old copper mine, Cedros Island, V. Yadon 20 (CAS) ; 21–23 March 1947, Las Tinajas and vicinity in cerros east of Los Picachos de Santa Clara, H. S. Gentry 7576 (CAS) ; 10–15 March 1947, Eastern bajada of Sierra Calvario, Systema de Sierra Viscaino, H. S. Gentry 7514 (CAS) ; 3 June 1925, Cedros Island, H. L. Mason 1994 (CAS) ; 26 March 1984, Pacific slope of Sierra de Placeros 35 km SE of Bahia Tortugas, D. E. Breedlove 60941A (CAS) ; 24 April 1989, Vizcaino Desert, plain S of Mesa Punta de Auras, 5 miles N of Bahia Asuncion on rd to San Jose del Castro, S. D. Boyd 3480 (NY) ; 26 June 1983, Desierto del Vizcaino, Arroyo San José de Cassssstro, Mpio. Mulegé, J. Cancino H. 12 (MEXU) ; 24 June 1977, Aguaje vargas, Isla Cedros, L.M. Villarreal P. 10628 (ENCB) ; 23 April 1973, Cerro Pedregoso, El Mezquital, a orilla de la carretera, C. L. Díaz 4155 (ENCB) . 21 April 1987, 12 Km al NE de Bahía Tortugas, brecha a Viscaino, P. Tenorio L. 12982. C. Romero de T. (MEXU) ; III June 1897, Cedros Island, A. W. Anthony 303 (CAS, MEXU, NY, SD) .