Protologue Description: Jaltomata yungayensis Mione & S. Leiva, sp. nov. TYPE: Peru. Ancash: Yungay, Cordillerra Blanca, about 200-500 m into Huscarán National park along road from city of Yngay to lake Chinan Cocha and lake Llanganuco, sunny, roacy roadside with shrubs, 3525 m, 19 Jan, 1998, T. Mione, S. Leiva G. & L. Yacher 628 (holotype, NY; isotypes, CONN, MOL). Figure 3.

Planta fruitcosa; axes juvenes, folia, faciesque abaxialis calycos puberula, pilis ramosis vel simplicibus; folia lanceolata vel elliptica, ad 6 cm longitudine; inflorescentia floribus 11 ut maximum; calyx 10 mm diametro maturitate fructus; corolla campanulata vel rotata, 11.5-15.5 mm diametro, purpurea, fauce viride; filamenta villosa secus proximalem 1/5 partem longitudinis; bacca aurantiaca, ad 8 mm diametro.

Shrub to 2.3 mm high. Young axes, peduncles, pedicels, leaves and abaxial faces of calyx puberulent, with both branchlet and finger hairs to 0.15 mm long. Woody stems brown, terete and hollow, glabrous with age. Leaves alternate, often geminate, the blade lanceolate to elliptical, to 4.9(-6) X 2.1(-4.8) cm, margins entire to repand, apex usually acute, the base of some leaves somewhat oblique; petiole to 2 cm long. Infloresence axillary or less commonly arising from a stem dichotomy., umbellate, sometimes branched, 4- to 11-flowered. Peduncle to 10 mm long; pedicel to 9 mm long. Calyx green at anthesis, 2.5-3 mm from pedicel to tip of lobe, adaxially glabrous, margins ciliate with finger hairs to 0.25 mm long; at fruit maturity to 10 mm diam. Corolla campanulate to rotate, 11.5-15.5 mm diam., lobes alternating with inconspicuous lobules (obscured by pressing); dark purple with a pale green throat having 5 pairs of dark-green maculae in a ring, each pair of amuclae straddling the main vein that extends radially to the tip of the corolla lobe, abaxial face pubescent with finger hairs, and a few branchlet hairs, to 0.9 mm but commonly 0.3 mm long, adaxial face glabrous, margins off-white, ciliate with finger hairs to 0.75 mm long. Stalked multicellular glands 75-90 µm long abundant on abaxial and adaxial faces of calyx and abaxial face of corolla. Stamens 2.8-3.9 mm long; filaments villous on proximal 1/5, finger hairs unpigmented, 0.3 mm long; anthers cream-colored, 1.25-1.55 mm long. Style 6.4-7.6 mm long, straight. Stigma capitate, shallowly bilobed (obscured by pressing), 0.54-0.72 mm wide. Nectar disk at base of ovary, orange on living plants but red/orange nectar not observed. Gynoecium glabrous. Berries subspherical, to 8 mm across, orange at maturity. Seeds numerous, subreniform, alveolate, 1.6-1.8 X 1.3-1.5 mm, 0.45-0.54 mm thick. Infructescence up to 8-fruited.

Paratypes. PERU. Ancash: Prov Yungay, Huascarán National Park, regione Huaraz, 13 oct. 1976, Bernardi et al. 16680 (G, NY); Huascarán National Park, Llanganuco Sector, near park entrance, alt. 3330-3525 m, 30 Dec. 1984, Smith & Goodwin 8875 (NY), 19 Jan.1998, Leiva et al. 2138 (CONN, HAO) along road from Yungay to lake Llanganuco, pueblo de Huashau, 3000m 19 Jan. 1998, Leive et al. 2139 (HAO), Mione et al. 629, 630 (CONN); Prov. Huaylas, Huascarán National Park, Qeubrada santa Cruz betweeen Lago Santa Cruz Chico and Cashapampa exit, 3870-3350 m, 17 jan. 1985, Smith et al. 9333 (MO); Huascarán National Park, Auquispuquio area of ruins, 3800-3900 m, 7 Apr. 1986, Smith et al. 11992 (MO, NY); Pucapampa (Lampanín-Huaylas), 4150 m, laera, 3 May 1987, Mostacero & Leiva 1897 (HUT, NY); Prov. Corongo, Cerro Clarinirka (arriba de Corongo), 3500-3600 m, 7 Aug. 1993, Leiva & Lezama 865 (HAO), 28 June 1998, Leiva et al. 2200 (HAO).