Herbs perennial, 30--50 cm tall, glabrous. Stems laxly caespitose, erect, distally branched. Leaves linear-lanceolate, 3--5 cm × 2--4 mm, midvein prominent, base slightly narrowed, margin entire or denticulate, apex acuminate. Flowers solitary or several in cymes; pedicel 1--3 cm; bracts 4, ovate, ca. 1/2 as long as calyx, margin membranous, ciliate, apex long acuminate. Calyx cylindric, 1.5--2.5 cm × 0.4--5 mm, striate; teeth lanceolate, ca. 5 mm, margin ciliate, apex sharply pointed. Petals 1.6--1.8 cm; limb bright red, purple-red, pink, or white, obovate-triangular, 1.3--1.5 cm, throat spotted and laxly bearded, apex irregularly toothed. Stamens exserted; anthers blue. Ovary suboblong. Styles linear. Capsule cylindric, surrounded by calyx, apex 4-toothed. Seeds black, compressed globose. Fl. May--Jun, fr. Jul--Sep. 2n = 30*. Herbs perennial, 30--50 cm tall, glabrous. Stems laxly caespitose, erect, distally branched. Leaves linear-lanceolate, 3--5 cm × 2--4 mm, midvein prominent, base slightly narrowed, margin entire or denticulate, apex acuminate. Flowers solitary or several in cymes; pedicel 1--3 cm; bracts 4, ovate, ca. 1/2 as long as calyx, margin membranous, ciliate, apex long acuminate. Calyx cylindric, 1.5--2.5 cm × 0.4--5 mm, striate; teeth lanceolate, ca. 5 mm, margin ciliate, apex sharply pointed. Petals 1.6--1.8 cm; limb bright red, purple-red, pink, or white, obovate-triangular, 1.3--1.5 cm, throat spotted and laxly bearded, apex irregularly toothed. Stamens exserted; anthers blue. Ovary suboblong. Styles linear. Capsule cylindric, surrounded by calyx, apex 4-toothed. Seeds black, compressed globose. Fl. May--Jun, fr. Jul--Sep. 2n = 30*.General Information
Source: [
Flora of China @ efloras.org
General Information