Stanhopea pulla

Reichb.f. 1877

Native to Costa Rica, Panama, Colombia

Edited 29 June 2007
© Nina Rach

Stanhopea pulla photo from Woodstream

Stanhopea pulla Rchb.f.

This species has the smallest flowers in the genus Stanhopea. It is one of the primitive (hornless) stanhopeas, and the creamy-white flowers are borne on very short inflorescences, in pairs.

Grows very warm, damp, and shady.


Photo at left from Woodstream Orchids, Maryland.

See the webpage about Primitive Stanhopeas [annulata, avicula, cirrhata, ecornuta, pulla].

Printed References:

Kenneth J. Curry, Lorraine M. McDowell, Walter S. Judd, & William Louis Stern (May 1991) "Osmophores, Floral Features, and Systematics of Stanhopea (Orchidaceae)," in: American Journal of Botany 78(5): 610-623. "The floral fragrance glands (osmophores) of 18 species of Stanhopea and Sievekingia were examined through a series of developmental studies at light and electron microscope levels including late bud stages through postanthesis." [Sievekingia; Stanhopea anfracta, annulata, candida, ecornuta, gibbosa, martiana, oculata, pulla, radiosa, ruckeri, saccata, shuttleworthii, tigrina, vasquezii, and wardii] Link to abstract:

Kenneth J. Curry, W.L. Stern, & L.M. McDowell (1988)"Osmophore development in Stanhopea anfracta and S. pulla (Orchidaceae)," in: Lindleyana 3: 212-220.

Dressler, R.L. 1993. Field Guide to the Orchids of Costa Rica and Panama. Comstock Press/Cornell University Press, Ithaca, New York. 304 pp, 240 illustrations.

Rodrigo R. Escobar [ed.] (1992) Native Colombian Orchids, Volume 4: Porroglossum-Zygosepalum. Medellin: Compania Litografica Nacional S.A., pp. 456-616. [pp. 546-553: Stanhopea platyceras, reichenbachiana, impressa, oculata, connata, candida, avicula, shuttleworthii, wardii, panamensis, pulla]

Rodrigo R. Escobar [ed.] (1998) Native Colombian Orchids, Volume 6: Supplement Leucohyle-Zootrophion. Medellin: Compania Litografica Nacional S.A., pp. 847-1069. [pp. 1022-1033: Stan. cf. costaricensis, ospinae, stevensonii, wardii, jenischiana, posadae, shuttleworthii, candida, annulata, pulla, avicula, tricornis, impressa, xherrenhusana, reichenbachiana]

J. A. Fowlie, M.D. (May 1967) "Orchid Collecting in the Colombian Andes: Part I., Evolutionary Considerations," in: Orchid Digest 31: 139. [Stanhopea pulla + Stan. platyceras on cover]

Leslie A. Garay, Ph.D. (April 1969) "Orquideas Colombianas, Nuevas o Criticas (Decena I)," in: Orquideologia 4(1): 14-21, plus color illustrations pp.32-33. [Stanhopea pulla p. 17 + color photo]

William R. Goldner, David H. McMahon, and Jochen Heydel (March 1997) 'Orchid Aromas: Analysis to Essence,' in: Orchids 66: 265. [Stanhopea costaricensis, S. pulla, S. wardii]

Clarence Kl. Horich (May-June 1974) 'The Costa Rican Stanhopea Species,' in: Orchid Digest 38(3): 108. [includes cirrhata, costaricensis, ecornuta, x fowlieana, gibbosa, pulla, wardii, warscewiczii]

Rudolf Jenny (Jan-Feb-Mar 1993a) "The Genus Stanhopea in Colombia," in: Orchid Digest 57(1): 17. [Stanhopea annulata, candida, connata, florida, grandiflora, x herrenhusana, impressa, jenischiana, oculata, ospinae, platyceras, pulla, reichenbachiana, rodigasiana, shuttleworthii, tricornis, wardii]

Rudolf Jenny (2003) "___," in Caesiana .

Heinrich Gustav Reichenbach (1877) "Stanhopea pulla," in: Gardeners' Chronicle 7: 810 OR I. 850. [type species from Costa Rica]

Louis O. Williams & Paul H. Allen (1980) Orchids of Panama. Missouri Botanical Garden, 616 pp. (590 pages for original, 1946-1949).
"A facsimile of the Orchidaceae, Flora of Panama, which originally appeared in four separate issues of the Annals of the Missouri Botanical Garden from 1946 to 1949. Contains an updated checklist, about 800 species, by R. L. Dressler." [Stanhopea pulla, p. 392.]

Web References:

International Plant Names Index [IPNI],

MOBOT's Flora of Panama

Fragrant Orchid Species

Orchid flora of Parque Nacional Manuel Antonio, by Franco Pupulin. Stanhopea pulla excluded; native to Caribbean lowlands of Costa Rica.

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