Roots not seen. Stems erect or ascending, ca. 30 cm tall; branches fertile, densely leafy, pale brown or yellow, lanate. Leaves on main stems alternate, those on branches subopposite; petiole absent or less than 3 mm; blade ovate or oblong-ovate, 7-20 × 2-12 mm, abaxially white tomentose, adaxially appressed tomentose, base cordate, margin sinuous or subentire, slightly recurved, apex obtuse. Flowers terminal on main stems and branches, slightly pendent; pedicels brownish yellow, tomentose. Calyx tube adnate to ovary up to middle, semiglobose, 10-ribbed; lobes triangular-ovate or ovate-lanceolate, ca. 8 × 4 mm, brownish yellow tomentose, subentire, recurved, apex acute or obtuse; sinus between calyx lobes broad and obtuse. Corolla pale blue, campanulate, ca. 2.2 × 2-2.5 cm, shallowly lobed; lobes rounded, setose on both sides, apex acute. Stamens glabrous; filaments slightly dilated at base, ca. 6 mm; anthers 4-5 mm. Fruit unknown.
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