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Dioscorea pentaphylla
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Family:
DIOSCOREACEAE
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Citation: Dioscorea pentaphylla L., Sp. Pl. 1032. 1753; Hook. f., Fl. Brit. India 6: 281. 1892; Gamble, Fl. Pres. Madras 1511(1056). 1928; Manilal & Sivar., Fl. Calicut 291. 1982; Mohanan, Fl. Quilon Dist. 412. 1984; Manilal, Fl. Silent Valley 317. 1988; Ramach. & V.J. Nair, Fl. Cannanore Dist. 475. 1988; Antony, Syst. Stud. Fl. Kottayam Dist. 398. 1989; Babu, Fl. Malappuram Dist. 808. 1990; Vajr., Fl. Palghat Dist. 508. 1990; M. Mohanan & Henry, Fl. Thiruvanthapuram 479. 1994; Subram., Fl. Thenmala Div. 388. 1995; Sasidh. et al., Bot. Stud. Med. Pl. Kerala 13,20. 1996; Sasidh. & Sivar., Fl. Pl. Thrissur For. 469. 1996; Sasidh., Fl. Shenduruny WLS 342. 1997; Sivar. & Mathew, Fl. Nilambur 725. 1997; Sasidh., Fl. Periyar Tiger Reserve 455. 1998; Sasidh., Fl. Chinnar WLS 312. 1999; Anil Kumar et al., Fl. Pathanamthitta 504. 2005; Sunil & Sivadasan, Fl. Alappuzha Dist. 693. 2009; Ratheesh Narayanan, Fl. Stud. Wayanad Dist. 872. 2009.
Botryosicyos pentaphyllus (L.) Hochst., Flora 27: 3. 1844.
Dioscorea pentaphylla L. var. communis Prain & Burkill., J. Asiat. Soc. Bengal 10: 23. 1914; Gamble, Fl. Pres. Madras 1512(1056). 1928; Ramach. & V.J. Nair, Fl. Cannanore Dist. 474. 1988.
Dioscorea pentaphylla L. var. linnaei Prain & Burkill, J. Asiat. Soc. Bengal 10: 23. 1914; Gamble, Fl. Pres. Madras 1511(1056). 1928; Ramach. & V.J. Nair, Fl. Cannanore Dist. 475. 1988.
Dioscorea pentaphylla L. var. rheedei Prain & Burkill, J. Asiat. Soc. Bengal 10: 23. 1914; Gamble, Fl. Pres. Madras 1511(1056). 1928; Vajr., Fl. Palghat Dist. 509. 1990.
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Malayalam Name(s):
Chaval, Henthikkorana, Kattunurunnakizhangu, Kattukizhangu, Kornapidan, Nurunnakizhangu, Noorakizhangu, Nooran, Nuranchaavl, Marakkizhangu, Mulluvalykizhangu, Vellachikizhangu
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Tamil name(s):
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English name(s):
Fiji yam, Kawan yam
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Description:
Tuberous climbers; stem terete, twining to left, usually armed with prickles. Leaves 3-5-foliolate, with bulbils in the axils; leaflets 3.5-8 x 2.5-5 cm, elliptic-ovate, base acute or attenuate, apex acute, glabrous or pubescent below; upper leaves much smaller; petiole to 8 cm long. Male flowers on slender spikes on axillary or terminal panicles, tomentose; tepals 6, greyish; outer c. 1.5 mm long, ovate, tomentose, inner c. 1 mm long, lanceolate, glabrous; stamens 3, staminodes 3. Female spike solitary, tomentose; tepals 6, biseriate, c. 1 mm long, ovate; ovary c. 3 mm long, oblong, ribbed; stigma capitate. Capsule c. 2 cm long, oblong, 3-winged, glabrescent.
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Habit:
Climber
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Flowering & Fruiting:
September-December
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District(s):
All Districts
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Medicinal:
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Habitat:
Degraded deciduous forests and waste places, also in sacred groves
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Distribution:
Indo-Malesia 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):
Green
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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:
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Localities:
Peechi, Vellanimala, Choodal, Chengamperu, Churullipetty, Koruthode, Mukkali forests, Kodanad, Pathenthode, Campshed area, Nilikkal, Ranni, Tolpetty, Chandanathode, Charummodu, Canoli, Kanjirakadavu, Vazhikadavu, Vandalodu, Ariankavu
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