Herb to 10(–20) cm. high, perennial from a tuberous rootstock; aerial parts probably dying back annually; stem erect, simple, hairy.. Leaves opposite, mainly basal, oblong-ovate to broadly ovate, (3–)4–8 cm. long, (1.8–) 2–4.5 cm. wide, apex obtuse, base cuneate or attenuate, margins entire to shallowly and irregularly crenate, sparsely hairy to glabrescent; petiole 1–2 cm. long, subamplexicaul.. Inflorescence a terminal compound cyme, branching ± dichotomously at first, becoming monochasial and flowers secund; the occasional flowers 5-merous; bracts linear-lanceolate, 2–3 mm. long, soon falling; pedicels short, ± 1.5 (3–4 fide Chiovenda) mm. long.. Calyx 2.5(–2.8) mm. long; lobes triangular to linear-triangular, connate at the base for ± 0.2 mm.. Corolla orange, flecked with longitudinal purple markings; tube cylindrical, slightly inflated, 13 (12–14 fide Chiovenda) mm. long; lobes ovate, 3.5 mm. long, 2 mm. wide (± 6 × 1.5 mm. fide Chiovenda), acute.. Stamens in 2 series, included, episepalous stamens ± 1 mm. within the corolla-tube, epipetalous stamens 2 mm.; filaments 2 mm. long; anthers with apical gland, oblong, 0.4 mm. long, 0.3 mm. wide.. Nectary scales linear, ± 2(–3) mm. long.. Carpels cylindrical-lanceolate, 9(–11) mm. long, rather fleshy, with longitudinal purple markings, connate at the base for ± 1 mm. (gynophore), tapering into styles ± 2 mm. long.. Seeds numerous, oblong-ovoid, ± 0.4 mm. long, 0.2 mm. wide, longitudinally striate (slightly immature).. Fig. 8.
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