Nahuatlea magna (M.C. Johnst. ex Cabrera) 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

2. Nahuatlea magna (M.C. Johnst. ex Cabrera) V.A.Funk comb. nov. Fig. 5

Gochnatia magna M.C. Johnson ex Cabrera, Revista Mus. La Plata, Secc. Bot., 12(66): 147-150. 1971.

Type.

Mexico. Tamaulipas: half a mile east of Nuevo Morelos, 25 Oct 1959, J. Graham & M.C. Johnston 4485 (Holotype: MEXU 01220108; Isotype: TEX 00374383).

Description.

Shrub or small tree 2.5- 4.5 m tall; leaves chartaceous, blades 5-10 × 4.1-6.2 cm, widely elliptic, glabrescent adaxially, wooly abaxially; heads short pedunculate in clusters of 3-5 at the apex of branches, surrounded by leaves, few clusters per plant; involucre campanulate (especially at early flowering), 13-15 mm tall × 10-12 mm wide, bracts in 5-7 series, woolly adaxially; flowers ca. 50 per head; corollas yellow, 12 mm long; anther base caudate, tails ca. 1 mm long, entire; pappus ca. 9 mm long, bristles uniseriate, broadening, flattened, and somewhat darker at the apex.

Distribution.

Mexico: Tamaulipas and San Luis Potosi.

Figures

Figure 5. Cabrera's drawing of Nahuatlea magna. A Habit B Head C Flower D Style E Anther F Pubescence. [Modified from Cabrera 1971.]