| Description: |
Goyazia villosa (Gardner) R. A. Howard, J. Arnold Arbor. 56 (3): 367. 1975. ≡ Tapina villosa Gardner. Type: Brazil. Goyaz [Tocantins]: in dry clefts of rocks near the summit of the Serra de Natividade, February 1840, G. Gardner 3875 (lectotype: K [barcode] K 000509791 image!; isolectotypes BM [barcodes] BM 000793292, BM 000883802 images!, CGE [barcode] CGE 00055228 image!, E [barcodes] E 00062346, E 00062347 images!, FI [barcode] FI 009756 image!, G [barcodes] G 00365532, G 00365534, G 00365541 images!, P [barcodes] P 00587409, P 00587410, P 00587411 images!, W [barcodes] W 0005013, W 0192283 images!). Description. Herb, rupicolous, with a perennial scaly rhizome at the base of the roots, stem 1–10 cm long, erect, unbranched, green in vivo, villous. Leaves in basal pseudo-rosette or opposite and arranged in 2–5 pairs along the stem, anisophyllous, internodes 0.2–3 cm long, petiole 2–8 mm long, terete, green, villous, blade 1–3.5 × 0.3–2.5 cm, ovate-elliptic or elliptic, symmetrical, membranaceous, pubescent on both faces, tector trichomes unicellular or multicellular uniseriate, base obtuse or cuneate, apex acute or acuminate, margin serrate with 5–14 teeth, lateral veins 4–5 per side. Inflorescence composed of a single flower on leaf axil, pedicel 1.8–3.5 cm long, erect, villous; sepals subequal, 3–4 × 0.5 mm, linear-lanceolate, subulate at the apex, villous; corolla tubular-infundibuliform, pseudo-actinomorphic, 10–12 mm long, white at base, tube dark purple, lobes 5, 3–4 mm long, subequal, marked with 3 lines of purple and faint dots, with white towards the apex, margin subdentate, throat with wine red dots; stamens 4, filaments glabrous, anthers coherent, nectary dehiscent, annular; ovary superior, ovoid, villous, style 3.5–4 mm long, villous at base, glabrous at the apex, stigma stomatomorph. Fruit a dry loculicidal capsule, dehiscent at the apex, seeds black. Additional specimens examined. Brazil • Tocantins, Palmas, Serra do Lajeado; 09 ° 58 ' 55 " S, 48 ° 19 ' 00 " W; 295 m, fl.; 5 Apr 2017; R. J. V. ... |