Neurolaena oaxacana Turner (1977: 251)

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 : 139

2.2.2. Neurolaena oaxacana Turner (1977: 251) ( Fig. 1 ).

Brief description: —Shrubs 2–5 m tall. Leaf petiole 3.4–7.7 mm long, blade 7.4–45 × 2.6–18 cm, bilobed, venation penninervous, abaxial surface puberulous; capitula radiate, involucre 4.8–6 × 3–6.2 mm, cylindrical to narrowly campanulate, phyllaries puberulous; receptacle holopaleaceous or hemipaleaceous, paleae 4.3–4.5 mm long; ray florets 6–8 per capitulum, corolla 6.7–7.6 mm long, yellow; disc florets 40–50 per capitulum, corolla 4.5–5 mm long, pale yellow to yellow; cypselae 1.3–1.6 mm long, eglandular, pappus 45–70 bristles.

Some specimens have a hemipaleaceous receptacle.

Geographic distribution: —Endemic to Mexico, in Oaxaca state (MO 2383869!) ( Fig. 1 ).

Selected Material: — MEXICO. Oaxaca: San Felipe Usila , 3 April 1996, Meave 1958 (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.