Hedychium villosum villosum Fl. Ind. (ed. Carey) 1: 12. 1820.
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https://dx.doi.org/10.3897/phytokeys.25.4113 |
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persistent identifier |
https://treatment.plazi.org/id/69F7EEB4-7F88-56A8-9C87-8A38EB753EB8 |
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scientific name |
Hedychium villosum villosum Fl. Ind. (ed. Carey) 1: 12. 1820. |
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Hedychium villosum villosum Fl. Ind. (ed. Carey) 1: 12. 1820.
Type.
India. “Sylhet”, 1815, M. R. Smith s.n. pro parte (middle specimen) (lectotype, designated here: BM! [BM000574717, middle stem only]). Figs 1A View Figure 1 , 2 View Figure 2 .
Description.
Epiphytic perennial herbs. Leafy shoots 60-90 cm high, erect, slender. Leaves 8-12 in number, spreading, at a distance of 3.4-7.5 cm, sessile; sheath 1.9-2 cm wide, puberulent at margins; ligule 1.8-2.1 × 0.7-0.8 cm, single-lobed, oblong, membranous, puberulent externally, tip acute; lamina 14-20 × 3.7-4.5 cm, elliptic-lanceolate, dark green and glabrous above, pale green and puberulent below; midrib pubescent below; tip long acuminate; base obtuse; margin non-ciliate, translucent, white tinged. Inflorescence 16.5-33 cm long, erect or drooping, lax, cylindrical. Bract 1.2-1.4 × 0.4-0.5 cm, one on each flower, convolute, elliptic, boat-shaped, brown, non-tubular, more or less leathery, densely hairy externally, hairs brown; margin non-ciliate; cincinnus 2-3 -flowered. Bracteoles 1-1.3 × c. 0.25 cm, brown, tubular, unilaterally split upto 5-8 mm, densely hairy externally, hairs brown; margin non-ciliate. Flower 4.7-5.2 cm long, pale yellow, highly fragrant, many open at a time. Calyx 1.6-1.8 × c. 0.15 cm, tubular, unilaterally split up to 5-6 mm, gradually convolute towards the tip, membranous, translucent, densely pubescent externally; hairs brown; obscurely 3 -lobed at tip. Corolla tube 1.9-2.1 cm long, c. 1.5 mm wide at mouth, straight, exceeding the calyx and bract, pale yellow, densely pubescent externally, hairs brown, hairy internally. Corolla lobes oblong, pale yellow, lower half pubescent externally, glabrous on upper half, margins non-ciliate, non-beaked at tip, lobes 3-nerved; dorsal lobe 1.6-1.7 × c. 0.15-0.2 cm long; lateral lobes 1.5-1.6 × c. 0.15 cm long. Lateral staminodes 1.3-1.5 × c. 0.15 cm, linear, straight, pale yellow, tip acute. Labellum 1.3-1.4 × c. 0.5 cm, elliptic, narrow towards base, pale yellow, sinus 0.8-0.9 cm deep, lobes tip acute; claw c. 1 mm wide at base. Stamen 2.6-2.8 cm long. Filament 2.4-2.6 cm long, scarlet, straight, c. 0.5 mm wide at base. Anther c. 1.5 × 1.5 mm, sagittate, brown, glabrous, non-crested, pink, truncate at tip, glabrous. Ovary c. 3 × 2 mm, oblong, pale green, densely pubescent externally. Style filiform, white, glabrous. Stigma cup-shaped, margin ciliate, c. 0.5 mm exserted from anther. Epigynous glands two, 2.5-3 mm long, oblong. Fruits unknown.
Distribution.
Bangladesh, China, India and Myanmar from 660 to 1400 m ( Wu and Larsen 2000).
Indian specimens examined.
INDIA. Arunachal Pradesh: Changlang Dt.: Chenglang to Khela, 666.6 m, 12 Mar 1958, G.K. Murthy 12939 (ASSAM); Dibang Valley Dt.: Thewarygaon, 1200 m, 20 May 1998, M. Bhaumik 1922 (CAL); Anini, 1640 m, M. Bhaumik s.n. (CAL); Mehao Lake, 1300 m, 1 Dec 1996, M. Bhaumik & M.K. Pathak 1153 (CAL); 1200 m, 20 May 1998, M. Bhaumik & M.K. Pathak 1902 (CAL); West Siang Dt.: Nokka to Nagminu, 5 Jul 1961, D.B. Deb 26547 (ASSAM); Meghalaya: Khasia, 4000 ft, J.D. Hooker & J. Thomson s.n. (K), Khasia No. 6 (CAL); Mizoram: Aizwal Dt.: Sialsuk, Lushai Hills, 4700 ft, 15 Jan 1963, D.B. Deb 30713 (ASSAM); Lunglei Dt.: Theiriat, Lushai Hills, 25 Jan 1963, D.B. Deb 31265 (ASSAM); Serchip Dt.: Kheitum, Lushai Hills, 23 Jan 1963, D.B. Deb 31185 (ASSAM); Locality unknown. Mack s.n. (K), Griffith s.n.
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