Japan Flora: Nearly glabrous or sparsely pilose annual; stems creeping, branched below; leaves broadly lanceolate, acute, 3-6 cm. long, 1-2 cm. wide, more or less oblique at base; spathe obliquely obtriangular, usually more or less pilose, 7-10 mm. long and as wide; flowers blue; seeds nearly smooth but densely puberulent. Aug.