Astragalus guatemalensis Hemsl. var. guatemalensis

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

35.2. Astragalus guatemalensis Hemsl. var. guatemalensis

Type:— GUATEMALA, Volcan de Fuego , S.E. ascent, 1861, Salvin & Godman s.n. (holotype: K 000478286 digital image!)

Astragalus guatemalensis Hemsl., Biol. Centr.- Amer. Bot. 1: 266. 1880.

Stems decumbent, reaching up to 1.5 m long; calyx teeth 2.8–3.4 mm long, subulate to triangular; restricted to Chiapas ( San Cristobal de las Casas, Huixtán, Zinacantán, Tenejapa) (Fig. 34).

Habitat:— Slopes of mountains; streams; steep slopes; pine-oak forest, associated with Arbutus ; associations of oak, madrone; 2100–2500 m.

Distribution:— restricted to the state of Chiapas ( Fig. 10 ).

Specimens examined:— CHIAPAS: 3 July 1991, Las Ollas , camino San Cristóbal de las Casas- Tenejapa, L. M. González V. 4004, R. Ramirez D., R. Gonzalez T., R. González A. ( CIIDIR, IBUG) ; 23 September 1965, Along road 3 miles west of Huistán, D. E. Breedlove 12420 ( NY) ; 10 November 1985, Cerro de San Felipe , al Sur de San Cristóbal de las Casas, A. Méndez 8574 ( CAS, NY) ; 10 November 1976, Along road to Chanal 16–20 km east of Chilil, D. E. Breedlove 41366 ( MEXU, NY) ; 30 November 1982, En el Cerro Huitepec, al O de San Cristóbal de las Casas, E. Cabrera 3918, H. de Cabrera ( MEXU, NY) ; 21 September 1972; Near Paraje Navenchauk , D. E Breedlove 53902 ( MEXU, NY, TEX-LL) ; 21 September 1972, Along small stream 7 km northeast of Huistán along road to Oxchuc and Ocosingo, D. E Breedlove 27691 ( NY) ; 31 August 1976, Ridge between paraje of Nachih and Zinacantan Center, D. E. Breedlove 39795 ( MEXU, NY) ; 31 August 1976, Ridge between paraje of Nachih and Zinacantan Center, D. E. Breedlove 39795 ( NY) ; 8 September 1974, On road to San Lucas Zapotal, 2–4 km from Mexican Highway 190, D. E. Breedlove 37313 ( MEXU, NY) ; 26 November 1977, 18 km from San Cristóbal de las Casas high above dirt/gravel road that winds through mountains to Tenejapa, C. H. Ramos s.n., V. A. Funk ( MEXU, NY) ; 10 November 1985, Cerro de San Felipe , al Sur de San Cristóbal de las Casas, A. S. Ton 8574 ( MEXU, NY) ; 7 August 1984, a 40 km al W de San Cristobal las Casas , camino a Tuxtla Gutierrez, E. Martínez S. 6818 ( ENCB, IBUG, MEXU) ; 3 July 1991, Las Ollas , camino San Cristóbal de las Casas- Tenejapa, L. M. González-Villarreal 4004 R. Ramírez, T. González T., R. González A. ( IBUG, TEX-LL) ; 7 October 1969, 13 km W of San Cristóbal de las Casas at km 70, P. Fryxell 1174 ( ENCB) ; 26 October 1965, 1 mile west of Nabenchauk along Mexican Highway 190, D. Breedlove 13775 ( 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.