Botanical Survey of India | Flora of India

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Tetracera akara (Burm. f.) Merr. in Philip. J. Sci. 19: 366. 1921. Calophyllum akara Burm. f., Fl. Ind. 121. 1768. T. laevis auct. non Vahl; Hook. f. & Thomson in Fl. Brit. India 1: 31. 1872.


Mal.:Akara-patsjoti.

Large lianas, up to 25 m long, creeping or climbing; stems up to 6 cm thick. Leaves elliptic-lanceolate, acute to acuminate at apex, entire or slightly undulate or dentate with mucronate teeth along margins, 6 - 15 x 3 - 8 cm, glabrous, coriaceous, glossy green above; lateral nerves 6 - 10 pairs; petioles 5 - 8 mm long. Flowers white, turning maroon when old, 2.5 - 3 cm across, usually 5 - 8, in axillary or terminal, up to 8 cm long panicles; peduncles 5 - 20 mm long; pedicels 10 - 25 mm long; bracts lanceolate, acute, ca 2 x 1 mm; bracteoles lanceolate, ca 1 x 0.5 mm. Sepals 4, 8 - 10 x 6 - 8 mm, often reflexed in fruit, green or reddish green, glabrous outside, densely whitish yellow sericeous inside, ciliate along margins. Petals 3 - 4, 12 - 15 x 6 - 8 mm, white or greenish, white. Stamens ca 230, yellowish white with grey tips, 7 - 8 mm long; filaments yellowish white at base, grey at tip. Carpels 3 (-4), glabrous, ca 1.5 x 1 mm, with ca 5 mm long style; each with 10 ovules. Follicles almost globose, ca 10 mm across, with 1 - 3 mm long beak, glabrous. Seeds ovoid, ca 2 x 3 mm, glossy black; aril ca 6 mm long, fimbriate.

Fl. Dec - May; Fr. Jan. - July.

Distrib. India: Partially shaded places in tropical evergreen lowland moist forests, up to 750 m. Kerala.

Lanka, Cambodia, Malaysia, Java, Borneo and Celebes.




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