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Crepidium curvatulum

Crepidium curvatulum

Crepidium curvatulum (Schltr.) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 125

Type: Schlechter 17499 (holo B, lost)


  • Microstylis curvatula Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 117
  • Malaxis curvatula (Schltr.) P.F.Hunt, Kew Bull. 24 (1970) 79
  • Pseudoliparis curvatula (Schltr.) Szlach. & Marg., Adansonia 21 (1999) 276

Plant minute, 4.5—6cm tall. Rhizome very short. Leafy stem few cm tall, abbreviated, slender, covered by leaf petioles and sheaths. Leaves 2—4; petiole and sheath 0.05—0.1 cm long; leaf blade 0.25—0.55 by 0.12—0.22 cm, elliptic to elliptic-lanceolate, attenuate; apex acute to acuminate; 3—5-nerved. Inflorescence slightly pendant, c. 3 cm long; peduncle slender; raceme lax, 5—9-flowered. Floral bracts ovate, amplexicaul; apex acuminate; 1-nerved. Flowers 0.68—0.72 by 0.44—0.48 cm wide when spread. Median sepal ovate, c. 0.4 by 0.23—0.24 cm; apex obtuse. Lateral sepals sinuate, ovate, c. 0.35 by 0.22—0,24 cm; apex obtuse to subacute; base on one side obcordate. Petals slightly oblique, lanceolate, 0.4—0.42 by c. 0.08 cm; apex obtuse; strongly bent backwards. Lip elliptic-sagittate in outline, c. 0.6 by 0.36—0.37 cm when spread; lateral margins often recurved; lamina c. 0.3 by broadly rounded at distal margin, with apiculate top; lamellae parallel, vanishing below apex, 0.26—0.28 by 0.02—0.03 cm high, 0.02—0.04 cm thick, rift between lamellae very narrow; auricles sinuate, semi-oblanceolate, subparallel, c. 0.3 by 0.17—0.18 cm; top acute. Gynostemium erect, 0.1—0.12 by 0.05—0.08 cm; above half of its length with a cone-like appendage, 0.02—0.03 by 0.025—0.035 cm; staminodes oblong, obliquely truncate, 0.04—0.06 by 0.03—0.04 cm; apex distinctly bent backward. Anther 0.03—0.04 by 0.04—0.05 cm.
(after Margonska, 2005)

Flowers orange-yellow, column pale greenish, at the apex blue-green.

Epiphyte on slender tree trunks in lower montane forest, growing in shaded positions; 1000 m.

Malesia (New Guinea, endemic).

Papua New Guinea, Madang Province; see map

distribution in New Guinea

Intermediate growing epiphyte, requires shaded position.


  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 45, fig. 156, as Microstylis curvatula Schltr.
  • Margońska, H. B., Materials towards a revision of the genus Pseudoliparis (Orchidaceae, Malaxidinae). 3. Section Pseudoliparis (2005) Ann. Bot. Fennici 42: 267—291, fig. 1-17, as Pseudoliparis curvatula (Schltr.) Szlach. & Marg.
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Malaxideae
  • Genus Crepidium
  • Section Pseudoliparis
  • Species Crepidium curvatulum

Crepidium curvatulum is distinguished by the minute size, characteristic habit, and slightly pendant inflorescence (Schlechter 1914).

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Crepidium curvatulum

Crepidium curvatulum (Schltr.) Szlach. (as Microstylis curvatula Schltr.), drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 45, fig. 156