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Crepidium productum

Crepidium productum

Crepidium productum (J.J.Sm.) Szlach., Fragm. Florist. Geobot. Suppl. 3 (1995) 130

Type: Gibbs 5677 (holo BM; iso BO)


  • Microstylis producta J.J.Sm. in L.S.Gibbs, Phytogeogr. Fl. Arfak Mts. (1917) 109
  • Malaxis producta (J.J.Sm.) P.F.Hunt, Kew Bull. 24 (1970) 83

Stem at the base decumbent, rooting, ascending, ascending part 3 cm long, c. 5-leaved. Leaves obliquely lanceolate, gradually narrowed, acute, minutely undulate, mid-rib keeled below, to 4.6 cm long, when dried 0.7 cm wide; petiole channelled, including the sheath 0.4-1.4 cm long, the upper ones very short. Inflorescence erect, laxly many-flowered; peduncle 7.8 cm long, angular, with c. 2 small bract-like scales; rachis angular, more than 3.5 cm long. Floral bracts reflexed, lanceolate-triangular, acute, somewhat concave, 1-nerved, to 0.4 cm long. Flowers (in rehydrated herbarium material) slightly over 0.6 cm long. Sepals and petals widely patent, recurved, convex. Median sepal ovate-elliptic, obtuse, 1-nerved, with one rudimentary nerve on either side (always?), 0.3 by 0.23 cm. Lateral sepals obliquely ovate, obtuse, strongly convex, 1-nerved, 0.27 cm long, 0.18 cm wide. Petals ligulate, towards the base slightly narrowed, apex retuse, 1-nerved, 0.3 by 0.08 cm. Lip horseshoe-shaped, 3-lobed, pit oblong-elliptic surrounded by a broad convex thickening, when flattened 0.35 cm long, including the auricles 0.52 by 0.36 cm; lateral lobes widely patent, broadly triangular, hardly prolonged, obtuse; mid-lobe elongated, oblong-subtriangular, almost quadrangular, narrowed towards the apex, 0.22 cm long, at the base 0.175 cm wide, divided almost to the middle into two oblong, obtuse, contiguous lobules; on either side between lobes with a patent, narrowly triangular, subacute tooth at right angles to the mid-lobe and which is hardly shorter than the lateral lobes; auricles obliquely triangular, obtuse or subacute, 0.17 cm long. Column short, dorsally compressed, in outline quadrangular, towards the apex dilated, dorsally convex, 0.08 cm long; clinandrium concave; wings divergent, obliquely oblong-quadrangular, obliquely truncate, subretuse. Anther cucullate, transversely elliptic-reniform, apex rounded, 0.06 cm wide. Pollinia 4, united into two compressed, obovate bodies, 0.03 cm long. Rostellum slightly shorter than the auricles, broadly retuse. Ovary pedicellate, , curved, 6-ribbed, 0.45 cm long. (After Smith, 1917)

Flowers yellow.

Terrestrial in montane forest; 2100 m.

Malesia (New Guinea, endemic).

Papua (Indonesia). See map

distribution in New Guinea

Cool growing terrestrial, requires shaded position.


  • Smith, J.J., Bull. Jard. Bot. Buitenzorg, Suppl. 2 (1930) t. 23, fig. VII, as Microstylis producta J.J.Sm.
  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Malaxideae
  • Genus Crepidium
  • Section Crepidium
  • Species Crepidium productum

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Crepidium productum

overview picture

Crepidium productum

Crepidium productum (J.J.Sm.) Szlach. (as Microstylis producta J.J.Sm.), habit, drawing J.J. Smith, based on Gibbs 5677

Crepidium productum

Crepidium productum (J.J.Sm.) Szlach. (as Microstylis producta J.J.Sm.), floral analysis, drawing J.J. Smith, based on Gibbs 5677

Crepidium productum

Crepidium productum (J.J.Sm.) Szlach. (as Microstylis producta J.J.Sm.), herbarium sheet, Gibbs 5677 (isotype specimen BO)