Amomum cannicarpum

Leafy stem 2-3 m high, erect, straight, loosely clumped; rootstock horizontal, much branched, reddish outside, light pink inside. Leaves 50 x 8 cm, oblong-lanceolate, acuminate, glabrous, nearly sessile, lower leaves smaller; ligule 1 cm long, orbicular, reddish. Spike 1-few, to 16 cm long, obovoid; peduncles covered with imbricating bracts; basal empty bracts 3.5 cm long, ovate, obtuse, formed into sheath at base, reddish brown; bracteoles 2 cm long, tubular. Flowers one or two in a bract; calyx lobes obtuse; corolla lobes equal, 2 x 1 cm, obtuse, glabrous. Capsule 1.5 cm across, dark brown.

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References:
POWO (Meistera cannicarpa (Wight) Škorničk. & M.F.Newman) The Plant List Ver.1.1  WCSP  BSI Flora of India Checklist  India Biodiversity Portal  Springer  Flowers of India  Flora of Peninsular India
On the identity and typification of Amomum cannicarpum … (Amomum cannicarpum (Wight) Benth. ex Baker is correctly identified after a lapse of over a century. Previous records regarding the occurrence …)