Rhizomes long, branched. Stems creeping proximally, ascending distally, 50--100 cm; branches subglabrous proximally, glandular pubescent distally. Leaf sheaths 2--4 cm, pubescent; petiole short or absent; leaf blade ovate-lanceolate, (5--)10--18 × 2--4.5 cm, strigose adaxially, apex acuminate. Cincinni lax, elon-gate, often several forming a terminal umbel; involucral bracts narrowly oblong or ovate-orbicular, less than 10 mm, glabrous; bracts small, membranous, enveloping cincinnus axis; pedicels slender, 1--1.5 cm. Sepals green, boat-shaped, ca. 2 mm, herbaceous, glabrous, persistent. Petals pale lilac or blue. Capsule subglobose, more than 3 mm in diam., densely covered with apically hooked, glandular hairs. Seeds gray-blue, rugose. Fl. and fr. (Jun--)Aug--Nov.
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A herb. It has long branched rhizomes. The stems are creeper and curve up at the end. They are 50-100 cm long. The leaves are oval to sword shaped and 10-18 cm long by 2-5 cm wide.
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