优美双盾木 you mei shuang dun mu

Shrubs, deciduous, to 2 m tall. Leaf blade elliptic, 5-10 × 2-5 cm, glandular hairy, pubescent on veins and margin, base acute to rounded, margin entire or remotely dentate in upper 1/2, apex long acute to long acuminate. Ovaries with 4 bracts; 2 outer bracts larger, peltate, accrescent in fruit and not obscuring calyx at anthesis. Calyx tubular-campanulate, 5-lobed, sparsely hairy; lobes obtuse, ca. 1/3 as long as tube. Corolla bilabiate, densely pubescent, narrowly cylindric at base, flaring and campanulate in upper part; lower lip villous. Ovary pubescent; style pilose to sparsely pubescent; stigmas capitate. Achene with 2 very large persistent peltate bracts to 40 mm wide. Fl. May-Jun, fr. Sep.

● Broad-leaved forests; ca. 2000 m. Gansu, ?Shaanxi, Sichuan.