长苞螺序草 chang bao luo xu cao

Herbs, presumably perennial, decumbent in lower part and ascending above, sometimes subacaulescent with leaves clustered at base; stems densely villous. Petiole 6-22 mm; leaf blade obovate-lanceolate or oblanceolate, 4-18 × 1-6 cm, adaxially sparsely pubescent, abaxially densely pilose along veins, base acute, apex rounded, obtuse, or acute; secondary veins 18-22(-29) pairs; stipules persistent, broadly ovate, 2- or 4-lobed. Inflorescence cymose, densely many flowered, pubescent; peduncles 7-15 cm; bracts linear-lanceolate, 10-15 mm. Flowers distylous. Calyx pubescent; hypanthium portion ca. 1.5 mm; lobes generally equal and 2-2.5 mm in long-styled form, unequal and 3-10 mm in short-styled form. Corolla purplish red, sparsely purplish red pubescent outside; tube 16-18 mm in long-styled form, ca. 22 mm in short-styled form, inside with villous ring near middle and another at base; lobes ovate. Capsules globose, 2.5-3 mm, pilose. Fl. Apr, fr. Aug-Oct.

● Wet places in forests. Guangxi.

The markedly differing sizes and forms of the calyx and corollas between the long-styled and short-styled flowers are notable.