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Geodorum densiflorum
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Family:
ORCHIDACEAE
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Citation: Geodorum densiflorum (Lam.) Schltr., Feddes Repert. 4: 259. 1919; Gamble, Fl. Pres. Madras 1437(1004). 1928; Abraham & Vatsala, Introd. Orchids 327. 1981; Manilal & Sivar., Fl. Calicut 284. 1982; Mohanan, Fl. Quilon Dist. 395. 1984; Manilal, Fl. Silent Valley 284. 1988; M. Mohanan & Henry, Fl. Thiruvanthapuram 459. 1994; Subram., Fl. Thenmala Div. 364. 1995; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 14. 1996; Sasidh. & Sivar., Fl. Pl. Thrissur For. 442. 1996; Sasidh., Fl. Shenduruny WLS 319. 1997; Sivar. & Mathew, Fl. Nilambur 688. 1997; Sasidh., Fl. Periyar Tiger Reserve 418. 1998; Sathish in Manoharan et al., Silent Valley-Whispers Reason 203. 1999; Mohanan & Sivad., Fl. Agasthyamala 675. 2002; Sathish & Manilal, Orchid Memories 192. 2004; Anil Kumar et al., Fl. Pathanamthitta 485. 2005; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 813. 2009.
Limodorum densiflorum Lam., Encycl. 3: 516. 1792.
Geodorum purpureum R. Br. in Ait.f., Hort. Kew. (ed. 2) 5: 207. 1813; Hook. f., Fl. Brit. India 6: 16. 1890.
Geodorum dilatatum sensu Wight, Ic. t. 612. 1844, non R.Br. 1810; Hook. f., Fl. Brit. India 6: 17. 1890.
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Malayalam Name(s):
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Tamil name(s):
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English name(s):
Nodding Swamp Orchid
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Description:
Terrestrial herbs, 60-70 cm tall; pseudobulb ovoid, 5 x 2.5 cm. Leaves 30-50 x 7-10 cm, elliptic-oblong or lanceolate, acuminate. Flowers white or pinkish, raceme 50-60 cm long, from the base of the pseudobulb; flower bearing portion about 5 cm long, strongly decurved. Floral bracts 15 x 4 mm, lanceolate, acuminate, 1-3-veined. Dorsal sepal 13 x 4.5 mm, oblanceolate-oblong, acute, apiculate at apex, 5-veined; lateral sepals 13 x 5.1 mm, elliptic-oblong, acute, 7-veined. Petals 12.5 x 6 mm, oblanceolate, obtuse. Lip cymbiform, side margins incurved, apex faintly bilobed. Disc with longitudinal callus.
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Habit:
Herb
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Flowering & Fruiting:
April-June
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District(s):
Kollam, Idukki, Pathanamthitta, Malappuram, Thiruvananthapuram, Kozhikkode, Palakkad, Thrissur, Wayanad, Kannur
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Medicinal:
Yes
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Habitat:
Moist deciduous and semi-evergreen forests, also in the plains
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Distribution:
Peninsular India, Myanmar, China and Sri Lanka
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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, Pink
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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:
500-750
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Localities:
Peechi, Poringal, Kattalappara, Thekkady, Damsite, Thekkuthode, Vadapuram, Thenmalai, Athirumala
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