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Crepidium schumannianum

Crepidium schumannianum

Crepidium schumannianum (Schltr.) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 131

Type: Schlechter 14058 (holotype BO, lost).


  • Microstylis schumanniana Schltr. in K.Schum. & Lauterb., Nachtr. Fl. Deutsch. Schutzgeb. Südsee (1905) 101
  • Malaxis schumanniana (Schltr.) P.F.Hunt, Kew Bull. 24 (1970) 84
  • Pseudoliparis schumanniana (Schltr.) Szlach. & Marg., Adansonia 21 (1999) 277

Plant c. 10 cm tall, erect, sometimes few in a cluster. Rhizome very short. Leafy stem completely covered by leaf petioles and sheaths, 1.1—2 by 0.1—0.26 cm. Leaves 3—5; petiole 0.5—1.1 by 0.12—0.4 cm wide when spread; leaf sheath 0.6—1.3 mm long, 0,1—0.3 cm; leaf blade slightly oblique, ovate, attenuate, 1.2—3.2 by 0.5—1.6 cm; base slightly obcordate; apex acuminate; margins partly undulate; 3-nerved. : Inflorescence rather dense to dense, slender, 10—25-flowered. 8—9.5 cm long; peduncle c. 0.55 cm long; raceme 0.25—0.4 cm long. Sterile bract usually 1, lanceolate, attenuate, 0.35—0.42 by 0.01—0.013 cm; apex acuminate; 1-nerved, often reflexed. Floral bracts reflexed, lanceolate, 0.18—0.36 by 0.05—0.1 cm; apex acuminate; 1-nerved. Flowers 0.57—0.6 by 0.45—0.5 cm wide when spread,. Dorsal ovate to oblong-ovate, sepal 0.3—0.32 by 0.1—0.12 cm; apex obtuse; usually 1- nerved. Lateral sepals oblique ovate, 0.25—0.27 by 0.16—0.18 cm; base slightly obcordate; apex obtuse to subacute; 3-nerved, median nerve more distinct. Petals usually strongly bent backwards, linear, 0.24—0.26 by 0.04—0.05 cm; apex subacute. Lip obovate sagittate in outline,.32—0.37 by 0.2—0.22 cm wide when spread; lamina reniform, 0.2—0.21 cm long; apex distinctly apiculate, lamellae simple, parallel, 0.08—0.1 by 0.01—0.06cm high, c. 0.01 cm thick, separated by a narrow depression, at the base connected in a callus c. 0.08 cm high, towards the top of the lamina distinctly convergent; auricles elongate, falcate, triangular, 0.14—0.l8 by 0.08—0.1 cm, the apices obtuse to subacute and nearly touching. Gynostemium erect, c. 0.1—0.13 by 0.05—0.09 cm, 0.005—0.012 by 0.02—0.03 cm wide base, in upper half with a relatively short, erect, cone-like appendage with acute tip; staminodes oblong, 0.07—0.09 by 0.04—0.05 cm, obliquely truncate at apices, folded back from anther; anther c. 0.04 by 0.03 cm wide.
(after Margonska, 2005)

Leaf petiole green; leaf sheath paler near base; blade green. Flowers greenish yellow turning creamy-yellow when aging; lip darker coloured, particularly the central part and the calli. Column pale greenish-yellow; stelidia darker coloured; rostellum dark coloured. Anther pale greenish-yellow to pale green.

Terrestrial in montane forest on humus covered by a layer of leaf litter. Altitude 1400—1800 m.

Malesia (New Guinea, endemic).

Papua New Guinea. Madang and Southern Highland Provinces; see map

distribution in New Guinea

Intermediate growing terrestrial, requires shaded position.

January, April.

  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 113, as Microstylis schumanniana Schltr.
  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 43, fig. 149, as Microstylis schumanniana 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 schumanniana (Schltr.) Szlach. & Marg.
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Malaxideae
  • Genus Crepidium
  • Section Pseudoliparis
  • Species Crepidium schumannianum

Crepidium schumanniana is characterized by the 1-nerved dorsal sepal, the thick main nerves of the lateral sepals, and the characteristic shape of the lip lamellae and the gynostemium.
(after Margonska, 2005)

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Crepidium schumannianum

Crepidium schumannianum (Schltr.) Szlach. (as Pseudoliparis schumanniana (Schltr.) Szlach. & Marg.) Drawing by Szlachetko in Adansonia 21 (1999) 277

Crepidium schumannianum

Crepidium schumannianum (Schltr.) Szlach. (as Microstylis schumanniana Schltr.), drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 43, fig. 149