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Paphiopedilum callosum Callus Paphiopedilum

 

Callus Paphiopedilum, Paphiopedilum callosum

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Paphiopedilum callosum (Rchb. f.) Pfitzer 1895

SUBGENUS Sigmatopetalum SECTION Barbata SUBSECTION Barbata Photo courtesy of Lourens Grobler

Common Name The Callus Paphiopedilum - In Thailand - V'ang Kang Kop[Chang-mai] - Maeng phu [Lampang]

Flower Size about 4" [to 10 cm]

Blooming in the spring and early summer, this medium sized, hot to cool growing, terrestrial or lithophytic orchid has narrowly elliptic, oblong-elliptic or obovate, mottled dark green with pale green, acute and equally 2 or 3 lobed apically leaves and a single flowered [occasionally 2], purple, purple pubescenct, erect, to 8 to 14" [20 to 40 cm] long, terminal inflorescence with ovate to elliptic, acute to subacute floral bracts that are 1/3 the length of the ovaries and carrying 1 to rarely 2, showy flowers and is found in Thailand, Cambodia, Vietnam and Laos in primary, closed, evergreen seasonal, broadleafed lowland forests, mixed and coniferous woods and primary highland cloud forests in soils rich in silicates or on granite and sandstone at altitudes of 300 to 2000 meters that grows with even water and fertilizer, plus humid, very shady conditions, year round.

Synonyms Cordula callosa Rolfe 1912; Cypripedium barbatum var. warnerianum T.Moore 1878; *Cypripedium callosum Rchb.f 1886; Cypripedium callosum var. sublaeve Rchb.f. 1888; Cypripedium crossii E. Morren 1865; Cypripedium schmidtianum Kraenzl. 1901; Paphiopedilum amabile sensu Guillam 1937; Paphiopedilum callosum subsp. sublaeve (Rchb.f.) Fowlie 1972; Paphiopedilum callosum var angustipetalum Guillam. 1924; Paphiopedilum callosum var. potentianum (O.Gruss & Roeth) P.J.Cribb 1998 ; Paphiopedilum callosum var schmidtianum [Kraenzl] Pfitzer 1903; Paphiopedilum callosum var. sublaeve (Rchb.f.) P.J.Cribb 1987; Paphiopedilum callosum var. viniferum (Koop. & N.Haseg.) Cavestro 2001; Paphiopedilum callosum var. warnerianum (T.Moore) ined; Paphiopedilum crossii [Morren] Braem & Senghas 2000; Paphiopedilum crossii f. viniferum (Koop. & N.Haseg.) Braem & Chiron 2003; Paphiopedilum crossii var. potentianum (O.Gruss & Roeth) Braem & Senghas 2000; Paphiopedilum crossii var. sublaeve (Rchb.f.) Braem & Senghas 2000; Paphiopedilum potentianum O.Gruss & Roeth 1995; Paphiopedilum sublaeve (Rchb.f.) Fowlie 1979; Paphiopedilum viniferum Koop. & N.Haseg. 2000

 

 

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