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FOC | Family List | FOC Vol. 23 | Araceae | Anadendrum

1. Anadendrum montanum Schott, Bonplandia (Hannover). 5: 45. 1857.

上树南星 shang shu nan xing

Stem 4-5 mm in diam., internodes elongated, ca. 2.5 cm, distal one much shorter, rooting. Petiole 10-15 cm, sheathing from base to pulvinus, developed sheaths 9-14 × ca. 1 cm, mostly early caducous; leaf blade oblong-lanceolate, 15-20 × 5-8 cm, papery, oblique, base obtuse or subcordate, margin entire, apex acuminate; lateral veins 7 or 8 on each side; secondary veins 2 or 3, reticulate. Inflorescences axillary and terminal from bractlike reduced leaves; bractlike leaves linear, ca. 7 cm, apex acuminate with tail 5-7 mm; peduncle 10-15 cm. Spathe initially tubular-inrolled, at last entirely spreading, ovate-lanceolate, apex with a rostrum 10-15 mm. Spadix pale green, ellipsoid, 3-3.5 cm; stipe 5-8 mm. Flowers dense; perigone annular, ca. 1/2 as high as ovary. Filaments 4; anthers ovoid. Ovary obovoid, apex ca. 3 mm in diam.; stigma transversely oblong. Berry ovoid, ca. 8 mm, apex truncate. Fl. and fr. Jun-Oct.

Forests, on trees or rocks; below 500 m. Hainan, SE Yunnan [Indonesia, Laos, Malaysia, Singapore, Thailand, Vietnam].


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