Zornia piurensis Mohlenbr., Webbia

Zornia piurensis Mohlenbr., Webbia 16(1): 120. 1961. Fig. S3 Type: PERU. Depto. Piura: Prov. Huancabamba: Serran, 2 April 1939, H.E Stork 11375 (holotype GH; isotypes F–0043455F!, K–000328087!, MO–277460!, UC–658225!). Shrub to ca. 50 cm tall. Stems erect, branched, glabrous. Leaves with 2 leaflets, petiolate. Leaflets 12–45 × 2.8–14 mm, lanceolate, glabrous. Stipules elliptic, 3–5 veined. Inflorescences spiciform, axillary, 15 cm long. Bracteoles 9–12 × 3.7–7 mm, ovate, 5–7 veined, punctate, glabrous, green. Loment with 3–5 articles; articles 2–2.3 × 1.6–2 mm, reticulate-veined, bristle-like trichomes 1 mm long. Distribution and habitat: Ecuador, Peru. It occurs in Montane Grassland and Tropical Dry Forest. Conservation Status: Endangered (EN). Zornia piurensis has a limited geographical range, and it occupies a relatively small portion of its overall extent of occurrence (EOO= 616.869. 299 km ²; AOO= 32.000 km ²). Notes: This species is distinguished by its glabrous, punctate leaflets and its ovate bracteoles. Representative specimen examined: ECUADOR. Guayaquil: near the cement mill Guayas, 15 April 1939, Asplund 5711 (US); Galapagos Islands: Albemarle Island, Tagus Cove, 24 May 1932, Howell 9507 (US). PERU. Lambayeque: s.loc., s.d., Vidal-Senege s.n. (P).