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Acmella uliginosa
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Family:
ASTERACEAE/COMPOSITAE
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Citation: Acmella uliginosa (Sw.) Cass., F. Cuvier's Dict. Sci. Nat. ed. 2. 24: 331. 1822.
Spilanthes uliginosa Sw., Nov. Gen. Pl. 110. 1788; Sivar. & Philip Mathew, Anc. Sci. Life 3: 171. 1984; Sivar. & Ramesan, Journ. Econ. Tax. Bot. 10: 524. 1987; H.J. Chowdhery in Hajra et al., Fl. India 12: 412. 1995; Sunil & Sivadasan, Fl. Alappuzha Dist. 391. 2009.
Spilanthes iabadicensis A. H. Moore, Proc. Amer. Acad. Sci. 42: 524. 1907.
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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:
Herbs upto 1 m high, creeping or sometimes erect, rooting at nodes; stems subglabrous to scabrid-pilose. Leaves ovate-elliptic, obtuse, attenuate, entire or undulate, 1.5-6 x 1-3.5 cm, glabrous on both surfaces; petioles 1-1.5 cm long. Heads radiate, ovoid or subglobose, subpaniculate, 4-6 x 3-5 mm, turning to elongate-ovoid at maturity, 5-10 x 4-5 mm, borne on filiform peduncles, 1-4.5 cm long. Involucral bracts 5-8, uniseriate, ovate to lanceolate, obtuse, minutely pilose, fimbriate at the margins. Ray florets usually 5; corolla with 2-3 rounded lobes at the apex, 1-3 mm long. Style arms short. Disc florets many; corolla funnel-shaped, 2 mm long, 4 lobed. Achenes dimorphic, 1-1.5 x 0.5 mm long, marginal ones trigonous, central ones laterally compressed, margins sparsely ciliate. Pappus of 2 unequal bristles; absent in ray achenes.
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Habit:
Herb
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Flowering & Fruiting:
November-February
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District(s):
Alappuzha, Ernakulam
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Medicinal:
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Habitat:
Wet or marshy places
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Distribution:
Probably native of Tropical America; reported from Africa, Sri Lanka, Java and India
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Aquatic:
Yes
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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):
Yellow
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Weed:
No
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Monocot/Dicot:
Dicotyledonous Plants
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Exotic:
Yes
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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:
Aroor
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