4. Pleurothallis sabanillae M.M.Jiménez & Vélez-Abarca, sp. nov. (Figures 9–10). Type: — ECUADOR. Zamora Chinchipe: Loja-Zamora road, near El Tambo, 3°56’40.08’’ S, 79°02’45.00’’ W, 2102 m, 4 August 2022, M. Jiménez & L. Vélez-Abarca 1253 (holotype: HUTPL 14636!). Similar to Pleurothallis lilijae Foldats (1968: 379), from which it differs by its broadly ovate, 7–veined dorsal sepal ( vs. broadly elliptic, 5–veined), ovate, 3-veined petals ( vs. triangular ovate, 1-veined), the obtuse, convex lip ( vs. triangular, concave) with a deep, broad glenion and an apical sulcus ( vs. shallowly concave, small and no sulcus). Description:— Plant epiphytic, up to 36 cm tall, descendent to pendent; roots slender, flexuous, 0.6–1.3 mm in diameter. Ramicauls slender, suberect, terete, 11.1–19.4 cm long and 0.1 cm in diameter, enclosed by papyraceous, tubular sheaths, upper sheath 12.9–18.9 mm long, basal sheath 6.2–7.7 mm long. Leaves deflexed, coriaceous, microscopically papillate, lanceolate to narrowly ovate, channeled in the middle, 2.4–3.7 × 12.0– 14.5 cm, acuminate at the apex, the base sessile, deeply cordate with the lobes unequal up to 1.6 cm long. Inflorescence a fascicle of successive flowers produced from a suberect, scabrous spathaceous bract, 1.1–1.3 mm long; floral bract infundibuliform, 4.4– 4.6 mm long; pedicel subflexuous, 2.4–3.5 mm long. Flowers resupinate or not, glossy, dorsal sepal purple with yellow borders to pale yellow suffused with purple at the base and veins, broadly ovate, subacute to obtuse, strongly deflexed at the apex, 9.8–11.5 × 8.9–9.4 mm, 7-veined, subverrucose-papillose, minutely pubescent, convex below the middle; lateral sepals connate into a 6-veined, elliptical-oblong, subverrucose-papillose, strongly revolute margins, purple with yellow borders synsepal, 6.1–6.5 × 2.9–4.6 mm. Petals purple with yellow borders, ovate above the third quarter, oblique, narrowed below the middle, shortly attenuate, strongly deflexed near the apex, acute, 8.1–10.1 × 4.1–5.0 mm, 3-veined, ...