Botanical Survey of India | Flora of India

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Bergia ammannioides Roxb. [Hort. Beng. 34. 1814, nom nud.] ex Roth, Nov. Pl. Sp. 219. 1821; Roxb., Fl. Ind. 2: 457. 1832, 'ammanoides'; Dyer in Fl. Brit. India 1: 251. 1874; Elatine ammannoides (Roxb. ex Roth) Wight & Arn., Prodr. 41. 1834 Bergia ammannioides Roxb. ex Roth var. pentandra Wight, Ill. Ind. Bot. :54, t. 25a. 1840.


Beng.: Lal Keshuriya; Raj.: Tal Bhungro.

Annual, erect, much-branched herbs, 10 - 35 cm high; stems terete, reddish-purple, somewhat woody at base, glandular-pubescent or subglabrous, swollen at nodes. Leaves 15 - 30 x 3 - 8 mm, oblanceolate or obovate-oblong, attenuate at base, acute at apex, upper half sparsely serrate with gland-tipped teeth, lower half entire, hispid to glandular pubescent or glabrescent; stipules 2 - 3 mm long, triangular-lanceolate, acute, serrate with gland-tipped teeth, pubescent. Flowers few to many in axillary fascicles, 0.5 - 2.5 mm long, 2 mm across; pedicels 1 - 3 mm long, slender, covered with glandular and eglandular hairs. Sepals 1.5 - 3.2 mm long, linear-lanceolate to ovate, acute, keeled, scarious, ciliolate, glandular-pubescent, often reddish-pink. Petals reddish-pink, 1.3 - 2.5 mm long, ovate, elliptic or oblong, subacute or obtuse. Stamens usually 5, rarely more, subfiliform, ca 1 mm long; anthers minute. Ovary subglobose, sulcate, glabrous; styles 0.5 - 1 mm long, erect or shortly recurved; stigmas thick, capitate. Capsules 0.2 - 4 mm long, subglobose, reddish. Seeds numerous, minute, dark brown with shiny reticulations.

Fl. & Fr. Aug. - March.

Distrib. India: Grows mainly in tropical and subtropical regions in muddy areas, seasonally inundated fallow fields and decicated paddy fields, sometimes along road side ponds, river beds and in waste marshy lands. Jammu & Kashmir, Punjab, Uttar Pradesh, Bihar, West Bengal, Tripura, Orissa, Madhya Pradesh, Maharashtra, Andhra Pradesh, Karnataka, Tamil Nadu and Kerala.

Tropical Asia from Iran to S. China, Philippines, Australia and Tropical Africa.




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