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4. Pararuellia hainanensis C. Y. Wu & H. S. Lo, Fl. Hainan. 3: 593. 1974.
海南地皮消 hai nan di pi xiao
Herbs. Petiole 0.5-1.5 cm; leaf blade obovate to oblanceolate, ca. 4.5 × 2.5-4.3 cm, abaxially pubescent, adaxially sparsely strigose, secondary veins ca. 6 on each side of midvein, base cuneate, margin entire, apex rounded, sometimes obtuse, or rarely acute. Spikes with 2-6 nodes; rachis pubescent; bracts cordate-ovate to orbicular, 0.5-3(-6.5) × 0.5-1.8(-6.5) cm, abaxially strigose, adaxially glabrous; bracteoles lanceolate, 2.5-3 × ca. 0.6 mm. Calyx 5-6 mm, inside sparsely strigose; lobes linear-lanceolate, ca. 3 × 1 mm. Corolla white or blue, ca. 1.2 cm, outside pubescent, inside glabrous; tube basally cylindric and ca. 1 mm wide for ca. 7 mm, throat ca. 2.3 × 4 mm; lobes oblong, ca. 2.5 × 2 mm, subequal. Stamen longer pair ca. 1.9 mm, shorter pair ca. 1 mm; anther thecae ca. 1 mm, glabrous. Ovary ca. 3 mm; style ca. 1.6 cm, white comose. Capsule ca. 1.4 cm, glabrous. Seeds obovate in outline, ca. 1 × 1 mm, covered with dense appressed trichomes. Fl. Jun-Sep, fr. Dec-Mar.
● Rocks or wet places along streams, forests; 100-600 m. Guangxi, Hainan.
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