Neurolaena macrocephala Schultz ex Hemsley (1881: 233)

Bueno, Vinicius R., Gostel, Morgan R. & Heiden, Gustavo, 2023, An updated synopsis of Neurolaena (Neurolaeneae, Asteraceae) with a new species from the Colombian Andes, Phytotaxa 622 (2), pp. 131-145 : 137

1.2.1. Neurolaena macrocephala Schultz ex Hemsley (1881: 233) ( Fig. 1 ).

Brief description: —Shrubs 3–5 m tall. Leaf petiole 5.7–22.8 mm long, blade 13.35–45 × 3–20.3 cm, margin entire, rarely bilobed, venation camptodromous, abaxial surface hispidulous to hispid; capitula discoid, involucre 7.85–11 × 8–11.3 mm, phyllaries pilose or glabrous; receptacle holopaleaceous, paleae 8.7–9.2 mm long; disc florets 60–70 per capitulum, corolla 6–6.9 mm long, pale yellow to yellow; cypselae 2.1–2.85 mm long, eglandular, pappus 50–80 bristles.

Geographic distribution: —Endemic to Mexico, in Oaxaca ( US 3198104!) and Veracruz (MO 2865746!) states. This is the first time it is documented in Oaxaca ( Fig. 1 ).

Selected Material: — MEXICO. Oaxaca: Santiago Comaltepec, Distrito de Ixtlan , 20 May 1988, E. L. Garcia 128 (MO, US) . Veracruz: Estacion Biologica Los Tuxtlas , 15 June 1970, G. M. Calderón 2290 (MO) .

Figures

FIGURE 1. Occurrence map of Neurolaena (Asteraceae, Neurolaeneae) species in Mesoamerica and the Caribbean. Each symbol represents state or country level species occurrences. PO—Pacific Ocean, CS—Caribbean Sea. Countries and Territories: BZ—Belize, CI—Cayman Islands, CB—Cuba, CR—Costa Rica, EL—El Salvador, GT—Guatemala, HO—Honduras, NI—Nicaragua, PA—Panama. Mexican states: CP—Chiapas, PB—Puebla, OX—Oaxaca, QR—Quintana Roo, SL—San Luis Potosí, TB—Tabasco, VE—Veracruz.