Botanical Survey of India | Flora of India

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Acalypha australis L., Sp. Pl. 1004. 1753; Singh in Indian Forester 93: 186. 1967. A. chinensis Roxb., Fl. Ind., ed. Carey 3: 677. 1832.


Herbs, monoecious, annual; branches erect or ascending, finely pubescent. Leaves elliptic-lanceolate to ovate-lanceolate, broadly cuneate to truncate or rounded at base, crenate- serrate along margins, acute to acuminate at apex, 3 - 6 x 1.5 - 3 cm, membranous to chartaceous, pilose or sparsely hispid; main nerves 3 or 4 at base; lateral nerves 4 or 5 pairs; petioles 1 - 2.5 cm long, finely pubescent; stipules subulate to lanceolate, up to 1 mm long. Flowers in axillary peduncled spikes. Male flowers: minute, sessile and clustered in upper part of 1 - 1.5 cm long spikes; sepals 3 or 4, ovate-lanceolate, 0.5 - 0.6 mm long; stamens 8 - 10; filaments up to 0.2 mm long; anthers vermiculiform, 0.3 - 0.5 mm long. Female flowers: at lower part of the spikes, 2 or 3 fertile ones mixed with 3 - 5 sterile flowers enclosed in each bract; bracts foliaceous, folded, ovate-deltoid or rhombate, crenate-serrate, 1.5 - 2 x 1 - 1.5 cm, glandular-ciliate; fertile flowers sessile, 1 - 1.5 mm across, sepals 3 or 4, irregular, ovate-lanceolate, ca 1 mm across; ovary 2- loculed, ca 1 mm across, hirsute; styles 3, filiform, laciniate, 1 - 3 mm long. Capsules ovoid, 2 - 4 mm across, pilose; seeds globose to subglobose, ca 2 mm across.

Fl. & Fr. April - Dec.

Distrib. India: Introduced and now a common weed in Tea gardens, along embankments and in moist shaded places in forests, at 500 to 1000 m altitudes. Uttarakhand (Garhwal Himalayas).

China, Taiwan, Laos, Korea, Japan, Philippines and Australia.

Notes. Chromosome number: 2n = 14 (Hsu, Taiwania 14: 11 - 27. 1968).




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