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FOC | Family List | FOC Vol. 19 | Rubiaceae | Morinda

26. Morinda undulata Y. Z. Ruan, Fl. Reipubl. Popularis Sin. 71(2): 321. 1999.

波叶木巴戟 bo ye mu ba ji

Small trees, to 20 m tall; branches glabrous, subquadrangular, smooth, reddish brown. Leaves opposite or solitary opposite an inflorescence; petiole 1-2 cm, glabrous; blade drying yellowish brown, linear-oblong, linear-oblanceolate, or slightly lyrate, 18-20 × 4-5.5 cm, glabrous and shiny on both surfaces, base cuneate, margin irregularly undulate to lyrate, apex acute or acuminate; secondary veins 12-24 pairs; stipules interpetiolar, triangular to broadly triangular, acute to obtuse. Inflorescence solitary and leaf-opposed; peduncle 1, 1-6 cm, glabrous; heads 1 per peduncle, ellipsoid-oblong to cylindrical, many flowered; bracts absent or subulate. Flowers with hypanthia fully fused, biology not noted. Calyx limb truncate. Corolla white, salverform; tube 15-18 mm, densely villous in upper part and throat; lobes 4 or 5, triangular to ligulate, 3-4 mm, acute. Drupecetum mulberry-shaped to cylindrical or oblong, 1-1.5 × 0.6-0.8 cm. Fl. autumn, fr. winter.

● About 900 m. S Yunnan (also cultivated in villages).

The protologue described the corolla lobes as 4, but the protologue figure shows 5 lobes.


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