Next Species: Crepidium latipetalum

Crepidium laeve

Crepidium laeve

Crepidium laeve (Schltr.) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 128 ('laevis')

Type: Schlechter 17131 (syn B, lost); 19142 (syn B, lost; iso BO, L)


  • Microstylis laevis Schltr., Repert. Spec. Nov. Regni Veg. Beih. 1 (1911) 112
  • Malaxis laevis (Schltr.) P.F.Hunt, Kew Bull. 24 (1970) 80
  • Pseudoliparis laevis (Schltr.) Szlach. & Marg., Adansonia 21 (1999) 277

Plant 18—30 cm tall, slender, erect. Rhizome very short, with loose scales. Leafy stem fusiform, nearly completely covered by leaf petioles and sheaths, c. 2.5 by 0.3—0.55 cm. Leaves 4—6; petiole erect, (0.4)0.8—1.2(1.7) by 0.2—0.6 cm wide when spread; leaf sheath (0.8)1.5—2.5(2.8) by 0.35—0.7 cm diam; leaf blade oblique, ovate, oblong-ovate to lanceolate, attenuate, (2.2)3.5—6(7) by (1.2)1.7—2.4 cm, with acuminate apex, 3 5-nerved. Inflorescence up to 16.5 cm long; raceme 10—20-flowered, rather lax and delicate, up to 7 cm long; peduncle 8—10 cm long. Sterile bract usually 1, erect, lanceolate, attenuate, 0.5—0.7 by 0.08—0.12 cm; apex acuminate; 1-nerved. Floral bracts recurved, lanceolate, 0.25—0.48 by 0.06—0.08 cm; apex acuminate; 1-nerved. Pedicel c. 0.5 by 0.04—0.05 cm diam, ovary c. 0.2 by 0.06—0.08(—0.1) cm; sinuate. Flowers about 0.65—0.7 by 0.4—0.5 cm wide. Median sepal oblong to oblong-ovate, 0.38—0.55 by 0.16—0.23 cm; apex obtuse. Lateral sepals oblique, broadly ovate to ovate, 0.35—0.4 by 0.2—0.24 cm; base slightly obcordate; apex obtuse to subacute. Petals usually bent backwards, slightly oblique, linear-lanceolate, 0.37—0.4 by 0.07—0.08 cm; apex obtuse. Lip widest about halfway the lamina, c. 0.5 by 0.2—0.22 cm, sagittate, its margins often incurved; lamina transversally elliptic, 2.2—2.5 mm long, broadly rounded in distal part, top acuminate, 0.04—0.05 by 0.04-0.05 cm, lamellae simple, delicate, parallel, 0.08—0.1 by 0.01—0.02 cm high, 0.01—0.02 cm thick, vanishing slightly above half of lamina length, between the lamellae flat and narrow, basal callus 0.04—0.05 by 0.03—0.04 cm high, c. 0.01 cm thick; lateral lobes prominent, erect, parallel, elongate, oblique-oblanceolate, 0.25—0.3 by 0.12—0.16 cm, with obtuse apex. Gynostemium erect, entire surface very minutely papillose, 0.16—0.2 by 0.04—0.06 cm; distinctly recurved in apical half, above half of its length with a distinct, strongly erect, cone-like, rather long attenuate appendage c. 0.02 by 0.04—0.06 cm; staminodes subparallel to the anther, oblong, slightly cuneate, c. 0.08 by 0.04—0.06 cm, 0.01—0.02 cm thick; apex simply truncate. Anther 0.05—0.06 by 0.04—0.05 cm wide.
(after Margonska, 2005)

Leaf green. Leaf petiole green with grey tinge; sheath., dark-green, when young paler so; blade, above dark green, below paler grey-green. Inflorescence light green. Pedicel and ovary green. Fower yellowish, lip orange yellow with distinctly dark-green lamellae. Lip lamina distinctly darker coloured, particularly at distal margins. Column pale yellow-greenish; staminodes dark-green to blue-green. Anther pale greenish yellow to pale green; top dark-green to blue-green.
(after Margonska, 2005)

Terrestrial in primary lower montane forest, on humus covered by a layer of leaf litter, in wet and shady places, occurring solitary or in small groups of a few specimens. Altitude 1100—1200 m.

Malesia (New Guinea), Solomon Isl. (Guadalcanal and Rendova).

Papua New Guinea. Madang Prov; see map

distribution in New Guinea

Intermediate growing terrestrial, requires shaded position.


  • Schlechter, R., Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 43, fig. 147, as Microstylis laevis 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 laevis (Schltr.) Szlach. & Marg.
  • Tian-Chuan Hsu, T.-Y. Aleck Yang, Fred Pitisopa, Moffat Fanerii & Chia-Wei Li, Taiwania 61 (2016) 23
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Malaxideae
  • Genus Crepidium
  • Section Pseudoliparis
  • Species Crepidium laeve

Crepidium laeve differs from its relatives by the lip shape, the delicate lamellae, the prominent auricles and by the shape and colour of the recurved gynostemium.
(after Margonska, 2005)

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Crepidium laeve

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

Crepidium laeve

Crepidium laeve (Schltr.) Szlach. (as Microstylis laevis Schltr.), drawing R. Schlechter in Repert. Spec. Nov. Regni Veg. Beih. 21 (1923) t. 43, fig. 147

Crepidium laeve

Crepidium laeve (Schltr.) Szlach. (after Margonska, 2005), herbarium sheet, Schlechter 19142 (isotype specimen BO)

Crepidium laeve

Crepidium laeve (Schltr.) Szlach. (as Microstylis laevis Schltr.), herbarium sheet, Schlechter 19142 (isosyntype specimen L)