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Leucas chinensis
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Family:
LAMIACEAE/LABIATAE
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Citation: Leucas chinensis (Retz.) R. Br., Prodr. 504. 1810; Hook. f., Fl. Brit. India 4: 681. 1885; Gamble, Fl. Pres. Madras 1151(805). 1924; Sasidh. & Sivar., Fl. Pl. Thrissur For. 361. 1996; Swarup. et al., Shola For. Kerala 54. 1998; V. Singh, Monogr. Indian Leucas 59. 2001; Sasidh., Fl. Parambikulam WLS 248. 2002.
Phlomis chinensis Retz., Obs. Bot. 2: 19. 1781.
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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:
Scandent perennial herbs, up to 50 cm high, branched from base; branches 4-gonous, densely white silky tomentose or hoary with spreading hairs. Leaves opposite, 1.5-6 x 1-5 cm, broadly ovate to suborbicular, acute or obtuse at apex, truncate, subcordate to rounded or cuneate at base, crenate or dentate, tomentose both sides, thick or coriaceous; lateral veins impressed adaxially; petioles 0.5-3.5 cm long, tomentose. Flower- whorls 1-2 cm in diameter, axillary, lax, 3 to 8-flowered, never head-like; bracts 3-5 mm long, not more than half the length of calyx, linear, setaceous, hairy. Calyx-tube 1-1.5 cm long, funnel-shaped, straight, tomentose outside and within, 10-ribbed; mouth truncate, abruptly dilated, 6-8 mm wide, densely hairy within; teeth 10, 2-3 mm long, broadly triangular, spinulose or aristate at apex, spreading. Corolla white, tube glabrous outside, completely included within the calyx, slightly enlarged at the throat; upper-lip bearded with white wool, smaller than lower one. Filaments slightly bearded. Nutlets up to 1.5 mm long, oblong, truncate at top, smooth or minutely tuberculate, grey-brown.
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Habit:
Herb
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Flowering & Fruiting:
December-February
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District(s):
Palakkad, Idukki, Thrissur
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Medicinal:
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Habitat:
Grasslands
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Distribution:
Peninsular India and China
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Aquatic:
No
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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):
White
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Weed:
No
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Monocot/Dicot:
Dicotyledonous Plants
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Exotic:
No
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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:
Sholayar, Ponmudi, Thunakkadavu, Nelluyampathy forests
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