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Peristylus densus
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Family:
ORCHIDACEAE
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Citation: Peristylus densus (Lindl.) Sant. & Kapad., Journ. Bombay Nat. Hist. Soc. 57: 128. 1960; Abraham & Vatsala, Introd. Orchids 243. 1981; M. Mohanan & Henry, Fl. Thiruvanthapuram 468. 1994; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 20. 1996; Sasidh., Fl. Periyar Tiger Reserve 434. 1998; Mohanan & Sivad., Fl. Agasthyamala 690. 2002; Sathish & Manilal, Orchid Memories 211. 2004; Anil Kumar et al., Fl. Pathanamthitta 492. 2005.
Coeloglossum densum Lindl., Gen. Sp. Orchid. Pl. 302. 1832.
Habenaria peristyloides Wight, Ic. 1702. 1852.
Platanthera stenostachya Lindl. ex Benth., Hook.'s J. Bot. Kew Misc. 7: 37. 1855.
Habenaria stenostachya (Lindl. ex Benth.) Benth., Fl. Hongk. 362. 1861; Hook. f., Fl. Brit. India 6: 159. 1890.
Peristylus stenostachyus (Lindl. ex Benth.) Kraenzl., Orchid. Gen. Sp. 502. 1901; Gamble, Fl. Pres. Madras 1474(1030). 1928.
Peristylus xanthochlorus Baltt. & McCann, Journ. Bombay Nat. Hist. Soc. 35: 733. 1932.
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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:
Leaves 3 x 0.6 cm, oblong-lanceolate, acute, 4 or 5, scattered on the stem. Flowers white, in about 15 cm long, lax spike; dorsal sepal elliptic, subacute or obtuse, 3-veined; lateral sepals obliquely oblong, obtuse, 2-veined; lip 3.5 x 9.9 mm, 3-lobed; lobes unequal, lateral lobes linear, subacute, curved; midlobe oblong, obtuse; spur 5 x 0.5-1 mm, cylindric, acute, dialated subapically.
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Habit:
Herb
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Flowering & Fruiting:
September-November
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District(s):
Idukki, Pathanamthitta, Thiruvananthapuram
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Medicinal:
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Habitat:
Evergreen forests
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Distribution:
India, Myanmar, Thailand to Indo-China 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:
Monocotyledonous 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:
700-900
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Localities:
Vallakkadavu, Chandanathode, Kakki hills, Bonaccord
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