Nahuatlea hiriartiana (Medrano, Villasenor & Medina) V.A.Funk, 2017

Funk, Vicki A., Sancho, Gisela & Roque, Nadia, 2017, Nahuatlea: a new genus of compositae (Gochnatieae) from North America, PhytoKeys 91, pp. 105-124 : 111

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Nahuatlea hiriartiana (Medrano, Villasenor & Medina) V.A.Funk

comb. nov.

1. Nahuatlea hiriartiana (Medrano, Villasenor & Medina) V.A.Funk comb. nov. Fig. 4 View Figure 4

Gochnatia hiriartiana Medrano, Villasenor & Medina. Novon 14: 435-436. 2004.


Mexico. Hidalgo: Municipio Meztitlán, 3 km al E de Milpa Grande, barranca sobre el Río Amajac, 19 Sep 1996, F. González-Medrano, G.G. Hernández & G. Rodriguez 17920 (Holotype: MEXU 00316791; Isotypes, IEB 000177217, MO 3024215, TEX 00208274, XAL 0106702).


Shrub 1.0-1.5 m tall; leaves coriaceous, blades 1.0-3.5 × 1-2 cm, elliptic to slightly ovate, yellowish-tomentose below; heads sessile, solitary or in clusters of 2-3 at apex of branches, few clusters per plant; involucre campanulate, 15-20 mm tall × 25 –35(– 40) mm wide, bracts in 5-6 series, densely puberulous abaxially; flowers 200-230 per head; corollas light yellow, 13-22 mm long; anther base caudate, tails 2.0-2.5 mm long, entire; pappus ca. 1 cm long, bristles biseriate, broadening slightly at the apex.


Mexico: only known from two collections both in Hidalgo.