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Vrydagzynea sessilifolia

Vrydagzynea sessilifolia

Vrydagzynea sessilifolia Ormerod, Austral. Orchid Rev. 63, 1 (1998) 13, fig.

Type: Streimann & Kairo NGF 35967 (holo LAE; iso AMES, BISH, BO, BRI, CANB, K, L, NSW, SING)

Terrestrial. Rhizome incomplete in specimens seen, rooting at nodes, 1.5-4.5 cm long, 0.1-0.15 cm thick. Stem erect, laxly foliose, 5-10 cm long, 0.15-0.2 cm thick. Leaves 4-6 per stem, green, very shortly petiolate; lamina ovate, acute, 1.6-2.5 by 0.6-1 cm; petiole 0.1- 0.15 cm long before dilating into sheathing base. Inflorescence terminal, minutely laxly pubescent, 5 cm long, 0.1 cm thick, elongating to 9 cm when bearing capsules; peduncle 3 cm long; rachis sublaxly 5-6 flowered, 2 cm long. Peduncle sheathing bracts two, 1-1.5 cm apart, ovate-lanceolate, acute, base amplexicaul, 10-12 mm long, 3-4 mm wide. Floral bracts ovate-lanceolate, acute, 6-9 mm long, 2-4 mm wide. Pedicel with ovary erect, glabrous, 6-8 mm long, 1-1.5 mm thick. Capsule ellipsoid, 6-ribbed. Flowers glabrous. Dorsal sepal oblong-elliptic, emarginate and also thickened at apex, 5 mm long, 2 mm wide. lateral sepals oblong-elliptic, obtuse, thickened at apex, 5 mm long, 2 mm wide. Petals quadrate-elliptic, obliquely truncate, thickened at apex, the inner margin broadly agglutinate to the dorsal sepal to form a galea, 4 mm long, 2 mm wide. Labellum three-lobed, fleshy, 3.7 mm long, 2 mm wide (across hypochile unflattened); hypochile with lateral lobes truncate, obtuse, enfolded over column, 1.2 mm long, 2 mm wide; epichile ovate-elliptic, apex dorsally compressed, obtuse, margins inrolled, 2.5 mm long, 2 mm wide. Spur about oblongoid, slightly dilated medially, obtuse, 5 mm long, 2-2.5 mm diameter; internal appendages two, stipitate, globose, fleshy, about halfway along the back wall of the spur. Column as per genus. (After Ormerod, 1998)


Leaves green. Flowers white.

Terrestrial in lower montane forest, sometimes growing in shallow streams on white sand; 1370 to 1830 m.

Malesia (New Guinea).

Papua (Indonesia); Papua New Guinea. See map

distribution map

Intermediate growing terrestrial, requires shaded position.

April, May, June, August, November.

  • Family Orchidaceae
  • Subfamily Orchidoideae
  • Tribe Cranichideae
  • Subtribe Goodyerinae
  • Genus Vrydagzynea
  • Species Vrydagzynea sessilifolia

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Vrydagzynea sessilifolia

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Vrydagzynea sessilifolia

Vrydagzynea sessilifolia Ormerod, herbarium sheet, Streimann & Kairo NGF 35967 (isotype specimen L)