Japan Flora: Shrub; branches angled, glabrous; leaves chartaceous, narrowly ob­long to obovate-orbicular, usually elliptic to broadly so, 1-25 cm. long, 7-15 mm. wide, rounded to very obtuse at apex, entire or with few obtuse teeth on upper margin, glabrous, glaucous beneath, the petioles 1.5-4 mm. long, glabrous; in­florescence terminal on short branchlets, glabrous or nearly so, usually with slighdy developed axis, rather many-flowered; pedicels 1-1.5 cm. long; flowers white, 6-7 mm. across; calyx glabrous, the teeth deltoid, erect, acute, brown-pube犯ent within; petals orbicular, nearly as long as the stamens; fruiting carpels more or less brown-pubescent to nearly glabrous. May-July. Mountains.

Honshu (Kinki Dish1, and eastw.).             

f. rotundifolia Makino, broader leaves.

f. oblanceolata (Nakai) Ohwi. narrower leaves.

Var. tosaensis (Yatabe) Makino. S. tosaensis Yatabe---------------

Tosa-shimotsuke. Leaves broadly to narrowly oblanceo­late, 1.5-3 cm. long, 3-8 mm. wide, entire or 2- or 3-toothed near the apex. May. Mountains; Shikoku.