Hydrangea davidii

Hydrangea davidii, Franch. Shrub, to 6 ft.: young branch- lets finely appresscd pubescent, older light brown: lvs. elliptic-lanceolate or ovate-lanceolate, long-acuminate, cuneate at the base, sinuately serrate, yellowish green and nearly glabrous above, pubescent on the veins below, 3 ½ - 6 in. long: corymbs loose, convex, sometimes nearly paniculate, 6-8 in. across; sepals and petals lanceolate; sterile fls. about 1 ½ in. across, with 3 or 4 sepals: caps, with the margin of the calyx about or slightly below the middle. W. China.—Handsome species with its large loose corymbs of blue fls.; tender.

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