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Sigesbeckia orientalis
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Family:
ASTERACEAE/COMPOSITAE
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Citation: Sigesbeckia orientalis L., Sp. Pl. 900. 1753; Hook. f., Fl. Brit. India 3: 304. 1881; Gamble, Fl. Pres. Madras 704(495). 1921; Manilal, Fl. Silent Valley 158. 1988; Ramach. & V.J. Nair, Fl. Cannanore Dist. 254. 1988; Antony, Syst. Stud. Fl. Kottayam Dist. 219. 1989; Vajr., Fl. Palghat Dist. 254. 1990; M. Mohanan & Henry, Fl. Thiruvanthapuram 266. 1994; H.J. Chowdhery in Hajra et al., Fl. India 12: 407. 1995; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 21. 1996; Sasidh. & Sivar., Fl. Pl. Thrissur For. 253. 1996; Sasidh., Fl. Periyar Tiger Reserve 208. 1998; Sasidh., Fl. Chinnar WLS 170. 1999; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 478. 2009.
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Malayalam Name(s):
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Tamil name(s):
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English name(s):
Sigesbeckia
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Description:
Erect subshrubs; stem scabrous and viscid. Leaves 7-15 x 3-10 cm, ovate, acute at apex, cuneate and decurrent at base, pubescent, dentate along the margins; petiole 1-5 cm long. Heads 8 x 4 mm, solitary, terminal, on slender, densely hairy peduncles; bracts biseriate, outer bracts spathulate, 8 mm long, viscid hairy; inner ovate, short. Flowers: outer row ligulate, female, inner bracts rows bisexual, tubular; limb of ligulate corolla 2 mm long, 3-lobed, yellow. Disc florets 2 mm long; anthers bases obtuse. Achenes 4 mm long, curved, truncate at apex, 4-angled; black; pappus absent.
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Habit:
Herb
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Flowering & Fruiting:
April-December
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District(s):
Kottayam, Idukki, Palakkad, Kannur, Thiruvananthapuram, Thrissur, Wayanad
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Medicinal:
Yes
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Habitat:
Dry and moist deciduous forests
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Distribution:
Throughout tropics
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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):
Yellow
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Weed:
Yes
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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, Vanchikulam, Thekkady, Chittaruvi, Nelluyampathy forests, Koomankundu, Pathenthode, Begur, Tolpetty, Munnar, Kathalakandy
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