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

12. Morinda lacunosa King & Gamble, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 73: 87. 1903.

长序羊角藤 chang xu yang jiao teng

Lianas, to 20 m tall; branches when young terete, glabrous, becoming angled, brownish gray. Leaves opposite; petiole 8-20 mm, glabrous; blade drying thinly papery or subleathery, adaxially brownish black, abaxially dark brownish red, elliptic, elliptic-lanceolate, or ovate-oblong, 10-16 × 3-7 cm, glabrous, base cuneate, apex acuminate or acute; secondary veins 6 or 7 pairs, with pilosulous foveolate domatia; stipules caducous, interpetiolar or fused into a spathe or tube, 3-17 mm, glabrous, obtuse, rounded, or truncate. Inflorescence terminal, pilosulous [to perhaps glabrous]; peduncles 1-3, 0.5-8 cm, terminating in 1 head or 6-20 rays 0.8-2 cm and subtended by linear bracts 1-3 mm; heads several, subglobose, 8-10 mm in diam., 6-20-flowered. Flowers fused for half or more of hypanthium, biology not noted. Calyx glabrous; limb reduced, truncate to shallowly 4-dentate. Corolla white, subcampanulate; tube 2-2.5 mm, villous in upper part inside; lobes 4, 2-2.5 mm. Drupecetum subglobose to oblate, 4-11 mm in diam. Fl. Jun, fr. Dec.

Shady places in forests at streamsides or roadsides; 1000-1100 m [to only ca. 700 m in Thailand]. Yunnan [Malaysia, Thailand].


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