Botanical Survey of India | Flora of India

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Barclaya longifolia Wallich in Trans. Linn. Soc. Lond. 15: 443, t. 18. 1827; Hook. f. & Thomson in Fl. Brit. India 1: 115. 1872.


Leaves linear-oblong, cordate-sagittate at base, obtuse at apex, undulate-crispate along margins, 12 - 28 x 2 - 6 cm, puberulous or glabrate beneath; petioles 6 - 25 cm long, puberulous or glabrescent. Flowers 1.5 - 2.5 cm long, purplish, hardly expanding and emerging above water; peduncles 10 - 35 cm long. Sepals linear-elliptic, concave, obtuse, 1.5 - 2.5 x 0.5 - 0.6 cm, with midrib distinct near the apex and produced into a 3 - 5 cm long tail, greenish purple outside, purplish inside. Corolla shorter than sepals, green outside, purplish inside; lobes broadly or narrowly oblong. Inner stamens 2 - 2.5 mm long, fertile, incurved. Berry 1 - 1.5 cm across. Seeds globose, ca 1 mm across, brown, spinulose; spines radiating, tufted at micropylar region.

Fl. & Fr. July - Dec.

Distrib. India: In pools and slow streams, South Andaman Islands.

Myanmar, Thailand, Indo-china and Malaysia.

Notes. Prain (in J. Asiat. Soc. Beng. 59: 252. 1890) considers the plant doubtfully indigenous to Andaman flora. It appears to be very rare and localised in distribution, for the plant was collected only thrice (from Caddelgunj Jungle, King's coll. s. n. in 1893; Anikhet valley, Rogers 369, in 1904 and from Poona-nallah, on way to Poochang forest post, Mehrotra, 136 on 6 Sept. 1982) since its rust record (King in J. Asiat. Soc. Beng. 58: 390. 1889) from a ditch near Haddo in Port Blair (King's Coll. s. n.) in 1884.

Popularly grown in aquaria in continental Europe and N. America (Taxon 33: 517. 1984).




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