Astragalus proriferus M. E. Jones, Zoë, 1893

Castillón, Eduardo Estrada, Quintanilla, José Ángel Villarreal, Delgado-Salinas, Alfonso & Rebman, Jon P., 2023, The genus Astragalus (Leguminosae: Papilionoideae: Galegeae) in Mexico, Phytotaxa 586 (1), pp. 1921-1935 : 1921-1935

76. Astragalus proriferus M. E. Jones, Zoë 4(3): 275. 1893

Type:— MEXICO, Baja California, San. Pedro Mártir, 5 May 1893 , Jones s.n. (holotype: UC (not found at CCH 1); isotype POM (not found at CCH 1): T.S. Brandegee s.n. 16 April 1893 NY 0005834 !) .

Phaca proriferus (M. E. Jones) Rydb., N. Amer. Fl. 24(6): 355. 1929.

Astragalus julianus M. E. Jones, Proc. Calif. Acad. Sci. ser. 2, 5: 667. 1895.

Annual or perennial, if perennial, of short duration. Stems up to 50 cm long, diffuse, incurved or sub-ascending, villous, trichomes up to 0.9 mm long, ascendant or incurved. Stipules 2–6 mm long, clasping, decurrent, not connate, triangular. Leaves 3–11 cm long, leaflets 13–21, 5–21 mm long, lanceolate, oblong to elliptic, obtuse, mucronate, retuse or subacute, pubescent in both faces or sub-glabrous adaxially. Peduncles 2.5–9 cm long; the racemes 3–10.3 cm long, flowers 10–32. Flowers pink-purple; the calyx 4–5.2 × 2–3 mm, densely villous, trichomes white o white and black mixed, the tube 2.3–3.3 mm long, the teeth 1.5–2.3 mm long, subulate to triangular; the banner 7.4–9.1 × 4.4–7.7 mm, recurved, oblanceolate, slighty notched; the wings 6.4–8 × 1.8–2.7 mm, the claw 2.3–2.8 mm long, the blade 4.5–5.7 mm long, oblanceolate to obovate, incurved; the keel 6–7.6 × 2–2.3 mm, the claw 2.7–3.4 mm long, the blade 3.4–4.8 mm long, lunate, incurved, elliptic. Pod ascendant, deflexed or spreading, subsessile or elevated in a obsolete gynophore 0.4–0.7 mm long, oblique, elliptic to ovoid, 0.9–2.3 × 0.4–1.2 cm, inflated, widened, like a bladder, basally rounded to somewhat cuneate, distally contracted in a short 2–4 mm long, triangular straight to bend, laterally compressed beak, ventrally carinate, straight o slightly convex, dorsally strong or gibbously convex, the valves thin, but hard, papery, ochre, scatter or densely strigose, trichomes up to 0.8 mm long, ascendant, sinuous, extended or subappressed; septum absent; ovules 7–16; seeds 1.9–2.8 mm long, mitten shape, brown, purple to brown-orange, smooth, mainly opaque.

Distribution:— Endemic to Mexico, exclusively of the peninsula of Baja California, in Baja California at Sierras Juárez and San Pedro Mártir, and areas of mountain ranges and plains bordering them. Further south, in Sierra San Borja (28°45’N – 113°36’W) and Sierra San Luis (28°55’N – 114°09’W); in Baja California Sur, in two localities, Sierra de San Francisco (27°38’N – 113°06’W) and adjacent to Cerro El Azufre (27°30’N – 112°36’W) ( Fig. 22 ).

Habitat:— Stony slopes; granitic and gravel soils; sandy streams; sandy desert areas; bordering streams; associated Juniper; grassland-oak associations; pine forest; transitions of pine - juniper; chaparral-forest; 600–2100 m.

Specimens examined:—BAJA CALIFORNIA: 16 April 1893, San Pedro Martír, T. S. Brandegee s.n. ( NY) ; 30 April 1987, Rancho La Concepción 33 km SW de el Observatorio, San Pedro Martir, P. Tenorio L. 13182, C. Romero de T. ( CAS, MEXU) ; 20 June 1988, Near La Corona de Abajo , 0.75 miles up main road from entrance gate, Sierra de San Pedro Martir, S. Boyd 2793, T. Ross ( MEXU, CAS) ; 20 May 1981, Along road between Highway 3 and Rancho Mike in the Sierra de San Pedro Martir 7.8 miles SW of Highway 3, T. F. Daniel 1399 ( CAS) ; 2 June 1963, Sierra San Pedro Mártir. Rancho La Suerte , R. Moran 11076 ( NY, SD) ; 4 June 1963, Sierra San Pedro Mártir. Santa Eulalia, R. Moran 11133 ( NY, SD) ; 6 May 1963, Sierra San Pedro Mártir. Rancho San Matias, R. Moran 10841 ( NY) ; 2 June 1975, San Isidoro, R. Moran 22290 ( MEXU, NY, SD) ; 27 February1963, Trail from Terminal to San Juan Valley, R. S. Cowan 2345 ( CAS, ENCB, MEXU, NY, SD, US); 8 June 1986, Sierra San Pedro Mártir: a few miles below entrance to Parque Nacional, R. F. Thorne 62007, T. S. Elias, P. Rojas ( NY) ; 7 July 1968, Sierra San Pedro Mártir. Rancho Concepción, R. Moran 15293 ( NY, SD) ; 4 June 1963, Rancho La Suerte , on W slope of S end of Sierra San Pedro Mártir, R. F. Thorne 32021 ( MEXU, NY) ; 14 April 1973, On north slope of Cerro Azufre. Seen to top of Tres Vírgenes, R. Moran 20498 ( NY, SD) ; 31 May 1975, Sierra San Pedro Mártir , 1 mile west of ex-Misión San Pedro Mártir, R. Moran 22108 ( NY, SD) ; 4 June 1963, In sand at bottom of Big Arroyo, Rancho La Suerte; on W slopes of S end of Sierra San Pedro Mártir 30.58, 30.58–115.33 1130 m, R. Moran 32073 ( CAS) ; 12 May 1941, Sandy soil on flat near bank of the stream, Los Emers , southern park of Sierra San Pedro Martir , 1067 m, I. L. Wiggins 9911 ( CAS, US); 16 June 1954, 7 miles from canyon mouth, Canyon del Diablo , to the north and west of Pcacho del Diablo (Cerro La Encantada), eastern flank of Sierra San Pedro Martir, 604A ( CAS, MEXU) ; 7 June 1941, Open slope among Pine-Oak association, La Encinal, west side of Sierra San Pedro Martir, 1829 m, I. L. Wiggins 9796 ( CAS, US); 27 February1963, Sierra San Borja, near El Terminal, 16 miles SW of Bahia de los Angeles, R. F. Thorne 32733, J. Henrickson ( MEXU, NY) ; 4 June 1963, Big Arroyo , Rancho La Suerte on west slopes of soth end of Sierra San Pedro Martir, R. F. Thorne 32073 ( CAS) ; 30 April 1987, Rancho La Concepción 33 km SW de el Observatorio, San Pedro Martir, P. Tenorio 13182, C. Romero ( CAS) ; 5 June 1963, Ca. 2 miles S of Rancho La Suerte, R. F. Thorne 32108 ( NY) ; 27 February1963, Sierra San Borja , Occasional locally at pass west of El Terminal 28.75, 28.75–115.6 1200 m, R. Moran 10243 ( TEX-LL, US); 3 April 1950, East end of Sierra San Luis, 26–30 miles north of Punta Prieta, 1280–1463 m, H. S. Gentry 8952, F. Cech ( SD, US); 27 February1963, R. Moran 10245 ( BCMEX, SD) ; 12 August 1979, On silty flat, 1.0 km east of Bahía San Quintín, R. Moran 27970 ( SD) ; 24 December 1963, In wet sand of arroyo, below El Alamoso. R. Moran 11408 ( SD) ; 28 June 1970, Sierra San Pedro Martir ; ridge west of Lower Corona, R. Moran 17930 ( SD) ; 2 September 1974, Sierra San Pedro Martir ; north of Oak Pasture, R. Moran 21324 ( SD) ; 1 May 1976, Mouth of Arroyo Taraizo , R. Moran 22951 ( SD) ; 26 March 1960, South end of Valle de San Juan, R. Moran 8063 ( ENCB, SD) ; 24 November 1976, Open southeast slope of Cerro la Laguna, highest peak of Sierra San Francisco, R. Moran 23845 ( SD) ; 12 February1964, In crater, Volcan las Tres Vírgenes, R. Moran 11683 ( SD) ; 20 April 1994, Sierra San Francisco , just southeast of town of San Francisco de la Sierra, J. Rebman, Skeboo, W. Hodgson 8122 ( SD) ; 2 July 1998, Sierra san Pedro Martir, Arroyo de Soto, km 75 camino al Observatorio, orillade camino, J. Delgadillo s.n. ( SD) ; 15 March 1995, Canon el Cajon, west of main dirt road providing access to Canon de Guadalupe, J. Rebman, A. Salywon, R. P. Martínez, G. Reihardt, W. Hodgson 8736 ( SD) ; 22 April 2009, Sierra La Libertad : vicinity of Las Cuevas; in Arroyo La Soledad and surrounding lower slopes, J. Rebman 17173, S. Bullock ( SD) ; 17 October 2012, Rancho Iraq. Southern Sierra San Pedro Martir, S. Vanderplank 121017-19, A. Harper, J. Campos, C. de la Rosa ( SD) ; 21 July 1988, Cerca de La Corona de Abajo , 0.75 millas arriba de la carretera principal desde la puerta de entrada, Sierra de San Pedro Mártir, S. Boyd 2812 ( MEXU) ; 3 May 1987, Rancho La Concepción 33 km SW de el Observatorio, San Pedro Martir, P. Tenorio L. 13287, C. Romero de T. ( MEXU) ; 2 June 1963, Rancho La Suerte , base of Sierra San Pedro Mártir, R. F. Thorne 31898 ( ENCB) . BAJA CALIFORNIA SUR: 8 January 1948, Flood plain between lava-capped mesas and the Patrocinio salt works, southeast of Laguna de San Ignacio, A. Carter 2509 ( MEXU, NY, US); 24 February2007, D. Valov 2007042 ( SD) .

Figures

FIGURE 22. Map showing the distribution of Astragalus pomonensis, A. pomphocalyx, A. potosinus, A. pringlei, and A. prorifer in Mexico.