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Alpinia mutica
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Family:
ZINGIBERACEAE
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Citation: Alpinia mutica Roxb., Asiat. Res. 11: 354. 1810 & Fl. Ind. 1: 65. 1820; Hook. f., Fl. Brit. India 6: 265. 1820; Sabu, Taxonomic Phylogenetic Stud. Zingiberac. 120. 1991; Mangaly & Sabu, Rheedea 2: 46. 1992; Sabu, Zingiberaceae and Costaceae of South India 60. 2006.
Renealmia mutica (Roxb.) Salisb., Trans. Hort. Soc. 1: 280. 1812.
Alpinia korthalsii Schum. in Engl., Pflanzenreich Zingib. 327. 1904.
Languas mutica (Roxb.) Degener, Fl. Hawaii Fam. 76. 1932.
Catimbium muticum (Roxb.) Holttum, Gard. Bull. Singapore 13: 150. 1950.
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Malayalam Name(s):
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Tamil name(s):
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English name(s):
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Description:
Rhizome perennial, horizontal, highly branched, 2.5 cm thick, white or pale pink within. Leafy stem robust, upto 2 m high. Leaves bifarious, petiolate; petioles 3.5 cm long, pubescent; lamina oblong-lanceolate, acuminate, 40-60 x 10-13 cm, glabrous above, more or less densely pubescent below; ligule c. 8 mm long, coriaceous, entire, glabrous or fringed with hairs; sheaths pubescent. Inflorescence upto 16 cm long, emerging from the uppermost leaf sheath, erect or slightly curved; rachis densely pubescent, protected when young by 2-3 bladeless sheaths, 11-16 x 2.5-4.5 cm. Cincinnus 1-3 flowered. Pedicels 0.5-1 cm long, pubescent. Bracts absent. Bracteoles absent or very small, upto 6 mm long, on the upper cincinni only, deciduous. Calyx white, 1.8-2 cm long, funnel shaped, 3-lobed, outer surface sparsely hairy. Corolla white, tube c. 1.3 cm long, curved, shorter than the calyx; dorsal lobe 2.5 x 1.8 cm, linear-oblong, concave, margins shortly ciliate; lateral lobes as long as dorsal lobe but narrower, 2.5 x 1.5 cm, margin shortly ciliate. Labellum c. 3 x 3.5 cm, broadly ovate, narrowing to an emarginate apex, yellow, variegated with red, the basal part strongly concave, sides incurved. Lateral staminodes reduced, 5 mm long, subulate. Filament 1-1.2 cm long; anther as long as filament; thecae parallel, ecrestate. Epigynous gland one. Style filiform. Stigma funnel-shaped, ciliate. Ovary 5-8 mm long, trilocular, pilose with many ovules. Capsule globose, 3-3.5 x 2-2.5 cm, red when mature, pubescent with accrescent calyx. Seeds many, angular, 6-7 mm long, black with white, lacerate aril.
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Habit:
Herb
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Flowering & Fruiting:
February-October
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District(s):
Palakkad
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Medicinal:
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Habitat:
Evergreen forests
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Distribution:
Indo-Malesia
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Aquatic:
No
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Epiphyte(s):
No
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Saprophyte:
No
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Stem parasite:
No
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Root parasite:
No
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Flower colour(s):
White
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Weed:
No
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Monocot/Dicot:
Monocotyledonous Plants
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Exotic:
No
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Garden:
No
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Edible:
No
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Vegetable:
No
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Endemic to:
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IUCN status:
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Altitude:
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Localities:
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