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Nervilia aragoana

Nervilia aragoana

Nervilia aragoana Gaudich. in Freyc., Voy. Uranie, Bot. (1826) 422, t. 35

Type: Gaudichaud s.n. (Mariana Islands) (holo P)


  • Aplostellis aragoana (Gaudich.) Ridl., Fl. Malay Penins. 4 (1924) 203
  • Epipactis carinata Roxb., Fl. Ind. 3 (1832) 454
    - Type: Calcutta cult. (indigenous) s.n. (Bengal) (holo K?)
  • Pogonia carinata (Roxb.) Lindl., Gen. Sp. Orchid. Pl. (1840) 414
  • Nervilia carinata (Roxb.) Schltr., Bot. Jahrb. Syst. 45 (1911) 404
  • Pogonia flabelliformis Lindl., Gen. Sp. Orchid. Pl. (1840) 415 (nom. illeg.)
    - Type: Wallich (Buchanan-Hamilton 1942E) 7400A (syn K); Hamilton s.n. (June, Sukanagar)
  • Aplostellis flabelliformis (Lindl.) Ridl., Fl. Malay Penins. 4 (1924) 203
  • Nervilia flabelliformis (Lindl.) Tang & F.T.Wang, Acta Phytotax. Sin. 1 (1951) 68
  • Pogonia nervilia Blume, Mus. Bot. Lugd. Bat. 1 (1849) 32 (nom. illeg.)
    - Type: based on types of Nervilia aragoana and Pogonia flabelliformis
  • Pogonia gracilis Blume, Fl. Javae, n.s., 1 (1858) 129, pl. 57, f. 3
    - Type: Waitz s.n. (Java) (holo L)
  • Nervilia yaeyamensis Hayata, Icon. Pl. Formos. 2 (1912) 140
    - Type: Kawakami & Sasaki s.n. (X-1909, Taiwan, Mt. Morrisson)
  • Nervilia tibetensis Rolfe, Notes Roy. Bot. Gard. Edinburgh 8 (1913) 128
    - Type: Ward 151 (Tibet, Salwen R., Chamutang) (holo E)

Tuber obliquely globose, often somewhat compressed, 1.7-2.7 cm, consisting of a few internodes; roots short, 1.75 cm long, patent, pilose. Subterranean stem vertical, scaly, pilose, 1.8-3.8 cm long, with short, c. 0.8 cm long, pilose roots, emitting up to 12.5 or more cm long stolons from the nodes and from the leaf axil. Leaf petiolate; petiole 7-19 cm long, terete-angular, channelled; blade reniform, 6.5-10 by 8.7-15 cm, herbaceous, glabrous, with 12-16 prominent veins, base cordate, margins wavy, apex shortly triangular-acuminate. Inflorescence racemose, erect, 12-20 cm long, angular-terete, juicy, peduncle-scales c. 3, tubular, obtuse; rachis 4-10 cm long, angular, grooved, laxly 4- to 10-flowered. Floral bracts reflexed, lanceolate, 1.4-2.2 cm long, apex subacute. Pedicel 0.4 cm long, thin, 6-ribbed; ovary 0.4 cm long, obconical, sharply 3-angular, 6-grooved. Flowers more or less nodding, not widely opening. Median sepal linear-lanceolate, 1.4-1.5 by 0.25-0.3 cm, outside with 3 prominent veins, margins somewhat irregular, apex sharply acuminate. Lateral sepals obliquely linear-lanceolate, 1.4-1.5 by 0.3 cm, margins somewhat irregular, mid-rib prominent outside, apex sharply acuminate. Petals obliquely linear-lanceolate, 1.23-1.35 by 0.2-0.26 cm, margins somewhat irregular, apex subobtuse, apiculate, or acute. Lip 3-lobed, 1.3 by 0.76-0.95 cm, at the base with incurved margins, enveloping the column, inside with prominent and villose veins; lateral lobes erect, porrect, surpassing the column, obliquely triangular, subacute to acuminate; mid-lobe porrect, concave, semi-elliptic to transversely elliptic-quadrangular, 0.33-0.36 by 0.4-0.5 cm, with obtuse or often retuse more or less produced apex, margins more or less irregular. Column slightly sigmoid, clavate, 0.7-0.75 cm long; clinandrium deeply concave, 3-lobulate; stigma inversely triangular. Anther large, cucullate, 0.16 cm wide. Fruit nodding, ellipsoid, 3-angular, 6-ribbed, 1.1 by 0.75 cm. (After Smith, 1921)

Sepals and petals pale greenish, lip whitish, on the lateral obes with green or purplish veins.

Terrestrial in lowland forest, sometimes in frequently inundated places; 0-500 m.

Malesia (Peninsular Malaysia, Sumatra, Java, Borneo, Sulawesi, Lesser Sunda Is., Moluccas, New Guinea, Philippines), Thailand, Laos, Vietnam, NW Himalaya to China, Australia, Solomon Islands, Vanuatu, New Caledonia, Fiji, Samoa, Mariana Islands, Society Islands.

Papua (Indonesia); Papua New Guinea. See map

distribution in New Guinea

Warm growing terrestrial, requires shaded position.

February, April, August, September, October, November.

  • Smith, J.J., Orchid. Java (1905) 57, as Pogonia flabelliformis Lindl.
  • Smith, J.J., Orchid. Java (1905) 58, as Pogonia gracilis Blume
  • Smith, J.J., Orchid. Java, Fig.-Atl. (1908) fig. 36, as Pogonia flabelliformis Lindl.
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 43
  • Smith, J.J., Bull. Jard. Bot. Buitenzorg, sér. 3, 3 (1921) 236
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 19, fig. 60
  • Dockrill, A. W., Austral. Indig. Orchids 1 (1969) 192, fig.
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Nervilieae
  • Section Nervilia
  • Genus Nervilia
  • Species Nervilia aragoana

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Nervilia aragoana

overview picture

Nervilia aragoana

Nervilia aragoana Gaudich., in situ, photo N.E.G. Cruttwell

Nervilia aragoana

Nervilia aragoana Gaudich., habit, photo Royal Botanic Garden Edinburgh, based on Edinburgh cult. X62-3560 (Woods 114)

Nervilia aragoana

Nervilia aragoana Gaudich., drawing N.H.S. Howcroft 120, from PNG, Finschhafen

Nervilia aragoana

Nervilia aragoana Gaudich., drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 19, fig. 60

Nervilia aragoana

Pogonia gracilis Blume, herbarium sheet, Waitz s.n. (Java) (holotype specimen L)