Nepenthes alata

Nepenthes alata (; Latin: alatus "bersayap") adalah tumbuhan kantong semar yang endemik di Filipina.

Nepenthes alata telah lama diperlakukan sebagai spesies yang sangat polimorfik mencakup semua pulau-pulau besar kepulauan Filipina (dengan kemungkinan pengecualian Palawan).McPherson, S.R. & V.B. Amoroso 2011. Field Guide to the Pitcher Plants of the Philippines. Redfern Natural History Productions, Poole. Di bawah batasan yang luas ini, N. alata dipahami memiliki berbagai ketinggian dari 0-1.900 m (0-6.234 kaki) di atas permukaan laut dan tercatat dari, antara lain, pulau Bohol, Camiguin, Cebu, Culion, Leyte, Luzon, Mindanao, Mindoro, Negros, Panay, Samar,Suarez, W. 2011. Samar's Nepenthes alata. Carnivorous Plants in the tropics, January 12, 2011.Robinson, A. 2012. Nepenthes merrilliana on Samar . Carnivorous Plants in the tropics, June 29, 2012. dan Sibuyan. Nepenthes alata dalam arti luas ini (sensu lato) merupakan salah satu Nepenthes termudah dan paling populer untuk dibudidaya.Catalano, M. 2009. Nepenthes. In: Growing Carnivores — an Italian perspective. Prague. pp. 50–57.

Pada tahun 2013, N. alata kembali dibatasi oleh Martin Cheek dan Matthew Jebb yang mencakup hanya populasi dari utara dan tengah Luzon dengan kantong berbulu mencolok (takson dikenal di kalangan hortikultura sebagai "N. alata berbulu"). N. alata sensu stricto Cheek dan Jebb memiliki penyebaran ketinggian di atas 550 m (1.800 kaki). Berdasarkan penafsiran ini, tumbuhan di selatan yang sebelumnya disebut spesies ini ternyata benar-benar mewakili N. graciliflora baru dikeluarkan (hortikultura "N. alata khas"; ditemukan di Bohol, Leyte, Luzon, Mindanao, Mindoro, Panay, Samar, dan Sibuyan) serta N. negros baru dideskripsikan (Biliran dan Negros) dan N. ramos (Mindanao).Cheek, M. & M. Jebb 2013. Nepenthes ramos (Nepenthaceae), a new species from Mindanao, Philippines. Willdenowia 43(1): 107–111.  Nepenthes viridis dari Dinagat dan Samar merupakan kerabat dekat lain, Micheler, M., T. Gronemeyer, A. Wistuba, D. Marwinski, W. Suarez & V. Amoroso 2013. Nepenthes viridis, eine neue Nepenthes-Art von der Insel Dinagat, Philippinen. Das Taublatt 76: 4–21. seperti N. ceciliae (Mindanao), N. copelandii (Mindanao), N. extincta (Mindanao), N. hamiguitanensis (Mindanao), N. kitanglad (Mindanao), N. kurata (Mindanao), N. leyte (Leyte), N. mindanaoensis (Dinagat dan Mindanao), N. saranganiensis (Mindanao), dan N. ultra (Luzon).Cheek, M. & M. Jebb 2013. Recircumscription of the Nepenthes alata group (Caryophyllales: Nepenthaceae), in the Philippines, with four new species. European Journal of Taxonomy 69: 1–23. Cheek, M. & M. Jebb 2013. Nepenthes ultra (Nepenthaceae), a new species from Luzon, Philippines. Blumea, published online on October 24, 2013. Mey, F.S. 2013. The Nepenthes alata group: resurrection of N. graciliflora ; N. ramos and N. negros described as new species. Strange Fruits: A Garden's Chronicle, August 27, 2013. Bersama dengan spesies ini, membentuk apa yang disebut "kelompok N. alata", yang disatukan oleh sejumlah karakter morfologi, seperti tangkai bersayap, tutup dengan rabung pangkal pada permukaan bawah (sering dijabarkan sebagai alat pelengkap), dan kantong atas yang biasanya meluas di dekat dasar.

 Deskripsi 
Rumus floral untuk bunga jantan adalah ✶ K4 A4+4+1* G0 (mungkin tidak terdapat benang sari apikal /*/) dan ✶ K4 A0 G(4) untuk bunga betina.

 Taksonomi 
Nepenthes alata berkaitan erat dengan beberapa spesies lain, termasuk N. copelandii, N. mindanaoensis, dan N. saranganiensis. Nepenthes eustachya dari Sumatra pernah dianggap termasuk ke dalam variabilitas N. alata, tetapi didasarkan pada jenis spesimen salah tafsir, dua spesies ini tampaknya tidak terkait erat satu sama lain.

+ Perbedaan morfologi antara N. alata dan N. eustachya (Jebb & Cheek, 1997) Ciri morfologi  N. alata  N. eustachya Helaian daun  melanset hingga membundar telur  melanset Ujung daun  meruncing atau menirus  membulat hingga sub-memerisai Tangkai  bersayap luas  hampir tidak atau tidak bersayap Taji  sederhana, berbintik akut  sederhana atau menggarpu rangkap Indumentum  berambut kemerahan atau keputihan  tidak ada di seluruh bagian Struktur dasar kantong  tekstur mirip pada seluruh kantong, tiba-tiba menirus menuju sulur  menyudut, mengayu, bertahap menirus menuju sulur

 Taksa bawah jenis 
 N. alata f. variegata Hort. ex P.Mann (1996) nom.nud.
 N. alata var. biflora Macfarl. (1908)Macfarlane, J.M. 1908. Nepenthaceae. In: A. Engler. Das Pflanzenreich IV, III, Heft 36: 1–91. [=N. negros]
 N. alata var. ecristata Macfarl. (1908) [=N. kurata]

 Hibrida alami 
 N. alata × N. burkeiMcPherson, S.R. 2009. Pitcher Plants of the Old World. 2 volumes. Redfern Natural History Productions, Poole.
 N. alata × N. merrilliana [=N. × merrilliata]Mann, P. 1998. A trip to the Philippines. Carnivorous Plant Newsletter 27(1): 6–11.
 ? (N. alata × N. merrilliana) × N. mirabilis [=N. × tsangoya]
 N. alata × N. mindanaoensis
 N. alata × N. mirabilis [=N. × mirabilata]Kurata, S. & M. Toyoshima 1972. Philippine species of Nepenthes. The Gardens' Bulletin Singapore 26(1): 155–158. Abstract 
 ? N. alata × N. petiolata
 N. alata × N. pulchra
 N. alata × N. truncata [=N. × truncalata]
 N. alata × N. ventricosa [=N. × ventrata]Fleming, R. 1979. Hybrid Nepenthes. Carnivorous Plant Newsletter 8(1): 10–12.

 Referensi 

 Bacaan lanjutan 

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 Pranala luar 

 Photographs of N. alata at the Carnivorous Plant Photofinder

Kategori:Tumbuhan karnivor Asia
alata
Kategori:Flora Filipina
Kategori:Tumbuhan yang dideskripsikan tahun 1837