Key to the species genus Adenoncos Blume
(Modification from J. B. Comber 2001 by Tun Jang)
| No. | sub. | Characteristic features of species (Data) | Link photo to species | ||
| 1 | a Endemic | Stem up to 50 cm long; internode more than 1 cm long, leaves about 6 cm long. Batang mencapai lebih 50 cm, jarak antar daun (ruas batang) lebih dari 1 cm, panjang daun sekitar 6 cm |
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| b | Stem 20 cm or less; internodes 7 mm long or less; leaves less than 4 cm long Stem 20 cm atau kurang, jarak antar daun (ruas batang) 7 mm atau kurang; panjang daun kurang dari 4 cm | 2 | |||
| 2 | a | Lip distinctly trilobed, side lobes small and triangular; inflorescences 1-flowered Lidah 3 lobus, lobus samping (sayap lidah) kecil dan berbentuk segitiga, jumlah bunga satu (tunggal). | 3 | ||
| b | Lip without side lobes; inflorescences 1 - 3 flowered Lidah tanpa lobus samping (sayap lidah); jumlah bunga 1 -3 kuntum | 4 | |||
| 3 | a Endemic | Leaves lanceolate, about 1 cm broad; lip with a conspicuous conical callus Rediscovery Daun lanceolate dengan lebar c. 1 cm, lidah tampak jelas kalus berbentuk kerucut Rediscovery |
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| b | Lip with a meally-white longitudinal callus Lidah dengan sebuah kalus menbujur bertepung putih linier (garis). | 6 Modification 25 May 2012 | |||
| 4 | a | Sepals and petals held erect; sepals long apiculate; flowers about 5.5 mm broad Sepal dan petal tegak, sepal dengan apiculate panjang, lebar bunga c. 5.5 mm |
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| b | Sepals and petals spreading; sepals shortly apiculate or acute; flowers less than 4 mm broad Sepal dan petal menyebar, sepal dengan apiculate pendek atau ujung runcing, lebar bunga kurang dari 4 mm | 5 | |||
| 5 | a Endemic | Lip with a trilobe warty callus, sepals about 2.8 mm long Rediscovery Lidah dengan kalus seperti kutil, panjang sepal c. 2.8 mm Rediscovery |
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| b | Lip with an unlobed callus; sepals about 1.75 mm long Lidah dengan lobus tak berkalus; panjang sepal c. 1.75 mm | 5. A. virens | |||
| 6 | a Endemic | Leaves linier, narrowed apically, fleshy, about 3 mm broad. Rediscovery 15 March 2012Daun linier (lurus)m menyempit di bagian ujung daun, berdaging (berair0 dengan lebar c. 3 mm. Rediscovery 15 March 2012 |
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| b | Leaves plate Modification 25 May 2012 Daun rata (datar) Modification 25 May 2012 |
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| Resume total species | Endemic, Rediscovery =3 Endemic = 1 Non Endemic = 3 | ||||
| Total species genus Micropera in Sumatra | Total = 7 species | ||||
| New addtion | A. vivax separated species from heterotypic synonyms list A. parviflora |
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