Begonia vinagrera var. pomecensis Jara & Zabala-Rivera, 2021

Begonia vinagrera var. pomecensis Jara & Zabala-Rivera View in CoL , var. nov. Figs. 9 View FIGURE 9 & 10 View FIGURE 10

Type:— COLOMBIA. Boyacá: Municipio de Moniquirá , vereda Alto Colorado, Km 24, via de Arcabuco-Moniquirá, costado sur-occidental, 5°48′51.07″N, 73°29′52,78″W, 2375 m, J. C. Zabala-Rivera , W. Bravo-P. & Z. López-R. 2696 ( holotype ANDES!; isotypes COL!, UPTC!) GoogleMaps .

Diagnosis:— Begonia vinagrera var. pomecensis differs from the type variety by its larger stipules (10.2–22.9 × 8.5– 11.7 vs. 6.6–7.3 × 3.6–5.6 mm), its longer peduncle (5.4–8.3 (-14.3) vs. 3.1−4.6 cm long), and deciduous bracts (vs. sub-persistent).

Description:— Stipules early deciduous, oblong or obovate, 10.2–22.9 × 8.5–11.7 mm, apex cuspidate, reddishgreen or reddish-hyaline, glabrous; lamina of the leaf oblong to oblong-lanceolate, apex acuminate. Inflorescence bisexual; peduncle to 5.4–8.3 (14.3) cm long, bracts early deciduous, 4.4–9.4 × 2.6–6.1 mm, reddish-hyaline or reddish-green, apex cuspidate. staminate flowers: pedicels 1.7–4.2 mm long; tepals, outer 2 white, ovate, inner 2 oblong-lanceolate, apex short acuminate. Pistillate flowers: tepals white to reddish-white, subequal, 12.7–18.9 × 7.9– 11.6 mm, apex rounded to short acuminate.

Etymology:—The name refers to the locality where this variety grows, the narrow valley of the Pomeca River.

Distribution and habitat:—Only known from the valley of the Pomeca River, most of collections made from the roadsides along the route that connects the cities of Tunja ( Boyacá) and Barbosa ( Santander).

Additional specimens examined:— COLOMBIA. Boyacá: municipio de Arcabuco, 5 Km adelante en la carretera a Moniquirá , 18 May 1968, 2375 m, L . Uribe 6095 ( COL); Vereda Colorado Alto, Km 22, via Arcabuco-Moniquira, costado sur occidental, 2375 m, 17 June 2015, J . C. Zabala-Rivera, W. Bravo-P 2697 & Z. López-R. ( ANDES); Vereda Colorado Alto, Km 20, via Arcabuco-Moniquira, costado sur occidental, 2375 m, 17 June 2015, J . C. Zabala-Rivera, W. Bravo-P & Z. López-R. 2698 (ANDES).