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Crepidium seidenfadenianum

Crepidium seidenfadenianum

Crepidium seidenfadenianum (Szlach., Marg. & Rutk.) Schuit. & de Vogel Malesian Orchid J. 9 (2011) 7

Type: Bartlett & la Rue 254 (holo L), from Sumatra, Karo-land


  • Dienia seidenfadeniana Szlach., Marg. & Rutk., Adansonia 21 (1999) 221, fig. 1

Pseudobulbs 4.5-10 cm long, fusiform, more or less ascending, internodes few to several mm long, 0.2-0.3 cm diam., (2-)9- to 14-leaved. Leaves spirally arranged along pseudobulb; blade 2.2-10.2 by 1.2-2.6 cm, oblanceolate to obliquely ovate-lanceolate, acuminate; petiole 0.42 cm long, narrow, channelled, sheathing at the base. Inflorescence 12.8-17.3 cm long, erect; rachis 3.8-5.6 cm long, probably longer, densely 20-60-flowered. Floral bracts 0.38-0.6 cm long, linear-lanceolate to linear-triangular, acuminate. Flowers small, not resupinate. Median sepal 0.2-0.3 by 0.1-0.16 cm, elliptic-ovate to oblong-obovate, obtuse to subobtuse, 3-nerved. Petals 0.18-0.25 cm long, falcate, oblong to oblong-oblanceolate, subobtuse to subacute, 1- or indistinctly 3-nerved. Lateral sepals 2.26 cm long, 0.13-0.18 cm wide, obliquely oblong-obovate to oblong-elliptic, subobtuse to subacute, 3-nerved. Lip 0.22-0.34 by 0.32-0.4 cm, distinctly 3-lobed, the basal callus 3-chambered; lateral lobes falcate, ovate-triangular, widely divergent, subacute to subobtuse, with a small tooth near the base of the mid-lobe; mid-lobe 0.06-0.14 by 1.12 cm, ovate to almost triangular in outline, obtuse, notched in apical third. Column 0.1-0.12 cm long. Pedicel and ovary 0.25-0.5 cm long, slender. (After Szlachetko et al., 1979)

Leaves dark purple above, yellowish green with purple veins below. Inflorescence dark purple. Sepals and petals purple with light green margins, lip green.

Terrestrial in oak forest; 720 m.

Malesia (Sumatra, New Guinea).

Papua (Indonesia). See map

distribution in New Guinea

Warm to intermediate growing terrestrial, keep in shaded position.


  • Family Orchidaceae
  • Subfamily Epidendroideae
  • Tribe Malaxideae
  • Genus Crepidium
  • Species Crepidium seidenfadenianum

We consider this to be a species of Malaxis, but to the best of our knowledge there is no name available under this genus.

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Crepidium seidenfadenianum

Crepidium seidenfadenianum (Szlach., Marg. & Rutk.) Schuit. & de Vogel, as Dienia seidenfadeniana Szlach., Marg. & Rutk., rawing Hanna Margonska in Adansonia 21 (1999) 221, fig. 1