Plants herbaceous or ± woody at base, overall moderately to densely pubescent with glandular hairs, with whitish, translucent, conic hairs (with or without large flattened and whitish terminal cell), and with appressed, white, flattened, minute hairs. Stems erect, decumbent, or prostrate, densely leafy, 8-30 cm. Leaves dull green, commonly drying yellowish green, petiolate, those of a pair slightly unequal, gradually reduced toward inflorescence, fleshy; petiole 3-20 mm; blade ovate to orbiculate, 8-30 × 4-17 mm, base obtuse to truncate, margins undulate, apex acute, obtuse, or rounded. Flowers usually 1 in axils of leaves; pedicel 1 mm; perianth 30-40 mm, tube pale dull green, limbs greenish white or pale greenish yellow, often with 5 greenish stripes, 10 mm diam.; stamens 5. Fruits 5-7 mm, puberulent with white, flattened hairs; wings 1.5-5 mm wide.
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