diffuse, densely stellato-tomentose and canescent; leaves conspicuously petioled, broadly ovate or oblong, subcordate at base, obtuse, unequally toothed, with prominent veins beneath; peduncles 1-flowered; invol. leaflets lanceolate, shorter than the lanceolate-acuminate, stellato-tomentose calyx lobes. Nearly related to M. ovata, Cav. (M. oblongata, Hochst.), but with much broader involucral leaflets. Petioles uncial. Leaves 1–1 1/2 inches long, 3/4–1 inch wide. Petals expanded, twice as long as the sepals. Filaments of the fertile stamens very short; anthers 3–4 times longer. Staminodia narrow-oblong, subspathulate. Style as long as the staminodia. All parts of the plant densely tomentose, with whitish or yellowish hairs.