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FOC | Family List | FOC Vol. 24 | Zingiberaceae | Amomum

24. Amomum yunnanense S. Q. Tong, Acta Bot. Yunnan. 12: 151. 1990.

云南砂仁 yun nan sha ren

Plants 1--1.5 m tall, base with light red sheaths. Leaf sheath green, longitudinally striate, glabrous; ligule green, entire, ca. 4 mm, leathery, margin ciliate; petiole ca. 4 mm; leaf blade obovate-oblanceolate or elliptic-lanceolate, 18--30 × 6--9 cm, glabrous, base rounded, apex acuminate or caudate. Spikes suboblong, ca. 8 × 3.5 cm; peduncle 13--15 cm, scalelike sheaths light red, white pubescent; outer bracts decayed at anthesis, inner bracts narrowly oblanceolate, 3.5--4.5 cm × 7--8 mm; bracteoles light red, tubular, ca. 1 cm, glabrous, apex emarginate. Flowers white. Calyx 1.5--2 cm, apex obtusely 3-toothed; teeth red, ciliate. Corolla tube equaling calyx, glabrous; central lobe elliptic, lateral lobes oblong, 1.4--1.6 cm × 6--9 mm. Lateral staminodes absent. Labellum broadly orbicular, 1.4--1.6 cm, base contracted into claw, apex emarginate. Filament ca. 5 mm; anther ca. 8 mm; connective appendage entire. Ovary densely white pubescent. Capsule (immature) red, globose, ca. 1.2 cm in diam., with soft spines 1--2 mm. Fr. Jul.

* Forests; ca. 1200 m. W Yunnan (Yingjiang Xian).


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