Astragalus guatemalensis Hemsl. var. lozani M. E. Jones,

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

35.3. Astragalus guatemalensis Hemsl. var. lozani M. E. Jones, Rev. N.-Amer. Astragalus 189. Pl. 43. 1929

Type:— MEXICO, Hidalgo , Sierra de Pachuca, 9000 ft. alt., 28 July1898, Pringle 6935 (holotype: US 00004137 digital image!, US 00997142 digital image!; isotype: NY5798!, CAS0000955 digital image!, MIN1000349 digital image, TEX-LL00371232 digital image!, HBG520400 digital image!, CM0954 digital image!).

Atelophragma lozani (M. E. Jones) Rydb., Bull. Torrey Bot. Club 55: 161. 1928.

Stems 29 cm long or shorter; trichomes short and appressed mixed with longer and straight ones; stipe 3.5–5 mm long. easily discernible from the other two varieties by its short stems and longer stipe.

Distribution:— Endemic from the state of Hidalgo (Sierra de Pachuca) ( Fig. 10 ).

Habitat:— Conifer forest, 2700–2900 m.

Specimens examined:—HIDALGO. 28 July 1898, Sierra de Pachuca. Alt. 9000 ft, C. G. Pringle 6935 ( MEXU, NY, TEX-LL) ; 21 July 1901, Sierra de Pachuca , J. N. Rose 5587 ( NY, US) ; 14 June 1975, 1.5 km al WSW de Real del Monte , Medina , M. 379 ( ENCB, IEB, MEXU) ; 20 May 1973, Piedras Largas , SE de Texoautla, M. Sousa 4047, J. Rzedowski, M. Peña de S. ( ENCB, MEXU) ; 3 June 1976, A. Delgado S.229, R. Hernández ( MEXU) ; 27 June 1975, M. Sousa, 4679 ( MEXU) ; 19 June 2003, On hillside next to field, E. Salgado H. 1, D. Gernandt, D. Téllez M. ( MEXU) ; 4 March 1963, Rzedowski 17014 ( ENCB) ; 27 August 1967, Rzedowski 24286 ( ENCB) ; 4 August 1963, E, Chávez O. s.n. ( ENCB) ; 25 June 1967, A. Trillo B. 30 ( ENCB) ; 17 June 1984, M. Medina 2547 , M. A. Barrios ( ENCB) .

Figures

FIGURE 10. Map showing the distribution of Astragalus guatemalensis var. guatemalensis, A. guatemalensis var. brevidentatus, A. guatemalensis var. lozanii, A. harbisonii, and A. harshbergeri in Mexico.