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NO. 27@Paph. sugiyamanum

@A new species, Paph. sugiyamanum was discovered in 2000 and described in the french magazine, Rhone-Alpes Orchidees, NO. 27, 2-9, January-July 2001 by Dr. William Cavestro.

The name of this new Paphiopedilum is dedicated to Mr. Mitsuru SUGIYAMA who discovered it with Mr. ABAS, two orchid hobbiysts.
Classification : P. sugiyamanum belongs to the subgenus Paphiopedilum and the section Barbata. This species has much affinity with P. dayanum (Lindley) Stein, P. javanicum var. virens (Rchb. f.), P. hennisianum (M. W. Wood) Fowlie and P. lawrenceanum (Rchb. f.) Pfitzer.
The geographical localisation : The geographical distribution of this new species is not yet known. M. Sugiyama and M. Abas pointed out that this new Paphiopedilum has been found in north-eastern Borneo, in Sabah State, Malaysia. The altitude was not indicated.
Description : Terrestrial plant.Leaves : 3-5, greyish green, tessellated deeper green on upper surface, pale green below, elliptic-oblong, tridenticulate at apex, 11-14 cm long and 3.1-3.4 cm wide.
Inflorescence : 1-flowered, erected, purple pubescent, 30-35 cm long.
Bract : conduplicate, green, finely white pubescent on margins, elliptic-oblong, acute at apex, 2.4-2.6 cm long and 1-1.2 cm wide.
Pedicel and ovary : dark brown, purple pubescent, 5.8-6.2 cm long.
Flower : 9-9.5 cm across.
Dorsal sepal : pale green, veined darker green, concave, ovate, acute or shortly acuminate, with incurved margins at apex, 3.8-4.3 cm long and 3.4-3.6 cm wide.
Synsepal : pale green, veined darker green, concave, oblanceolate, ciliated on outer surface, 3.3-3.7 cm long and 1.5-1.7 cm wide.
Petals : pale green, spotted with dark brown, ciliated on the margins, oblong, more or less horizontal, recurved, purple ciliated on the margins, sparsely ciliated at base on the inner surface, acute at apex, 4.5-4.8 cm long and 1.5-1.7 cm wide.
Lip : green, flushed and striated with brown, trilobed, shaped like an inverted helmet, rounded at apex, 3.8-4 cm long and 2.6-2.8 cm wide. Side lobes incurved bearing raised brownish warts on outer surface.
Staminode : reticulated with green and brown, convex, subcircular to reniform (kidney-shaped), white pubescent, forming 2 lobes separated at base, 0.9 cm long et 1 cm wide ; 2 teeth arcuated and obtuse at apex.
Comparison with other species : Morphologically the closest species is P. hennisianum (M. W. Wood) Fowlie, from Philippines.
P. sugiyamanum has the same developped dorsal sepal, the lip shaped in an inverted helmet with the same color. The main differences are the folowing :
- the petals of P. sugiyamanum are shorter and larger than those of P. hennisianum and have no warts on margins ; the color is greenish suffused with pale brown at base ;
- the staminode of P. sugiyamanum is convex, reniform with 2 arcuated teeth (lobes) and obtuse at apex. The staminode of P. hennisianum is less wide (0.7-1 cm wide), obovate, 3-toothed, auriculate at base with 2 elongate falcate side teeth.

For more details you can contact William Cavestro, 100, alle de la Chenaie, 38340. Voreppe. France. Email adress :

Paph. sugiyamanum

All photos by Mitsuru SUGIYAMA

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