Cinereous tuberous vines. Leaves broadly cordate, abruptly acuminate, mucro-nate, the blades 3-9 cm. long, 2.5-7 cm. broad, closely cinereous-pubescent below; petioles mostly less than 1 cm. long, cinereous-pubescent, terete, the leaf bases not decurrent. Inflorescences of axillary and terminal capreolate racemes or panicles, the rhachises cinereous-pubescent. Flowers pedicellate, the pedicels medially articulated, with a change in degree of pubescence at the point of articulation, becoming 10-15 mm. long; tepals pink, at anthesis as broad as long, about 1 cm. long, closely cinereous-pubescent without, stipitate-glandular within; stamens 8, connate about one fourth their length, about 2 mm. long; ovary trigonous; styles 3, arcuate; stigmata peltate. Mature achenes not seen.
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