Nervilia - Commerson ex Gaudichaud-Beaupre


An old world genus of about 100 species of terrestrial orchids, Nervilia is tepresented in India by 16 species. Four species are found in Kerala.

1. Nervilia aragoana Gaud. in Freycinet, Voy. Bot. 422. T. 35. 1829; Fischer in Gamble 1928:1459; Santapau & Kapadia 1966:134; Saldanha in Saldanha & Nicolson 1976:837; Seidenfaden 1978:164; Abraham & Vatsala 1981:430; Joseph 1982:21 & 1987:20.

Pogonia carinata Lindl., Gen. Sp. Orch. 414. 1840; Wight 1851:15.t. 1720; J.D. Hook. 1890:121.

Nervilia carinata (Lindl).Schltr., Engl. Bot. Jahrb. 45:404.1911; Fischer in Gamble 1928:1459.

Pagonia flabelliformis Lindl., Gen. Sp. Orch. 415. 1840; J.D.Hook. 1890:121.

P. scotti Rchb.f., Flora 55(18):276. 1872; J.D.Hook. 1890:120.

This is a highly variable species.

Occurrence; Pathanamthitta and Palghat districts.

Distribution: Indo-Malesia

2.Nervilia crociformis (Zoll. &Mor.) Seidenf., Dansk Bot. Ark.32(2):151. 1978; Petterson 1998:494.

Bulborchis crociformis Zoll. &Mor. in Morintzi, Syst. Vez. Pl. Zoll. 89. 1846.

Pogonia prainiana King & Pantl., J. As. Soc. Bengal 65:129.1896.

Nervilia prainiana (King &Pantl.) Seidenf., Dansk Bot. Ark. 32(2): 149.1978.

N. monantha Blatt. & McCann, J. Bombay Nat. Hist. Soc. 35:724.1932; Santapau&Kapadia 1966:130.

N. cristata auct. non (Bl.) Schltr.: Kammathy, Rao & Rao 1967:229; Rathakrishnan 1971:4.

Our collections vary a little from the measurements given by Seidenfaden (1978) - flowers 3.3 cm long (1.8 cm), sepals and petals creamy white (yellow), lip pure white with violet hairs (purple), sidelobes erose or crenate (rounded, entire) and floral bracts bristle pointed (acute, triangular). However, we feel it better placed in N.crociformis.

Occurrence: Palghat District

Distribution: From Africa to Asia.

3. Nervilia infundibulifolia Blatt. & McCann, J. Bombay Nat. Hist. Soc. 35: 725.t. 3. 1932; Santapau & Kapadia 1966: 127; Seidenfaden 1978: 153; Abraham & Vatsala 1981: 435.

Nervilia hallbergii Blatt.& Mc Cann, J. Bombay Nat. Hist . Soc. 35: 726. 1932.

While describing the species Blatter & Mc Cann didn't cite any type and hence Santapau& Kapadia Designed Sedgwick 4 (BLAT) as the neotype.

Occurrence : Malappuram District.

Distribution : Widespread from India to Thailand and possibly Malaya and Borneo.

4. Nervilia plicata (Andr.) Schltr., Engl. Bot. Jahrb. 45: 43 . 1911; Fischer in Gamble 1928: 1458; Santapau & Kapadia 1966: 137 ; Saldanha in Saldanha & Nicolson 1976: 837; Seidenfaden 1978 : 156; Joseph 1982 : 21 & 1987: 23

Arethusa plicata Andr. Bot. Rep. 5 : t. 321. 1803

Cordyla discolor Bl. , Bijdr. 417. 1825.

Epipactis plicata Roxb., Fl. Ind. 3 : 545. 1832.

Pogonia plicata (Roxb) Lindl. , Gen. Sp. Orch. 415.1840; J.D. Hook. 1890: 119.

Nervilia discolor (Bl.)Schltr., Engl. Bot. Jahr. 45: 403. 1911; Santapau & Kapadia 1966: 131.

Leaves of this species are cordate-reniform , much hairy on upper side and sparsely so on the lower surface , irregularly greenish with violet patches on the lamina ; margin equally violet with white streaks also, 13 -veined prominently .

Occurrence : Trivandrum , Quilon , Palghat and Kannur Districts.

Distribution : Indo-Malesia.

 

 

 
 

 

Orchid Kerala India - Conceived, Crafted and Cared for by Jithin & Sinu.