Herbs perennial, erect, 30--40 cm tall, with thick horizontal rhizomes. Stems herbaceous, subwoody at base, angular or narrowly winged, minutely brown glandular in upper part. Leaves alternate; petiole 1.3--3 cm, narrowly winged; leaf blade ovate to ovate-elliptic, 6--19 X 3.5--8 cm, membranous when dry, abaxially purplish and scurfy glandular, adaxially dark green and sparsely bristly, base short attenuate to subrounded, margin obscurely undulate, apex short acuminate; veins 6 or 7 pairs. Racemes terminal and axillary, elongate, 9--23 cm, 5-to many flowered; bracts leaflike, elliptic to lanceolate; lowest bracts ca. 2.8 X 1.5 cm, gradually reduced upward to ca. 4 X 1.5 mm. Pedicel ± drooping, 2--3.5 cm. Calyx lobes overlapping at base, suborbicular, ca. 4 mm, apex mucronate. Corolla yellow; tube 1--1.5 mm; lobes oblong, 8.5--9 X 4--5 mm, apex obtuse. Filaments connate basally into a ca. 1 mm high ring, fused with corolla, free parts very short; anthers 3--4 mm, basifixed, opening by apical pores. Ovary ovoid, style ca. 4 mm. Capsule unknown. Fl. May.
Home