Campylocentrum pachyrrhizum (Rchb.f.) Rolfe

  • Authority

    Ackerman, James D. 1995. An orchid flora of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 73: 1-203.

  • Family

    Orchidaceae

  • Scientific Name

    Campylocentrum pachyrrhizum (Rchb.f.) Rolfe

  • Description

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    Species Description - Plants epiphytic, adpressed to substrate, inconspicuous, leafless. Roots gray-green, velamentous, fascicled, 2.5-5 mm broad when flattened against the substrate. Stems hidden by roots, ca. 5 mm long. Inflorescences stout, pendent spikes, densely flowered, to 3.5 cm long. Flowers small, arranged in 2 rows; floral bracts scarious, erose-denticulate, broadly cordate, 1-3 mm long. Ovary sessile, 1 mm long. Sepals brownish orange, elliptic to elliptic-lanceolate, acute, ca. 4 mm long, 1.5 mm wide. Petals creamy white with a pink flush, otherwise similar to sepals, ca. 3.5 mm long, 1.5 mm wide. Lip colored like petals, trilobed, lateral lobes triangular-rounded, middle lobe triangular-acuminate, in total ca. 3 mm long, 2 mm wide; basal spur saccate, ca. 2.5 mm long. Column less than 0.5 mm long; pollinia greenish. Fruits brownish orange, ellipsoidal, pubescent, ca. 8 mm long, 4 mm wide.

  • Discussion

    3. Campylocentrum pachyrrhizum (Reichenbach f.) Rolfe, Orchid Rev. 11: 246. 1903. Aeranthus pachyrrhizus Reichenbach f., Flora 48: 279. 1865. Type. Wright 3207, from Cuba (W, not seen). Aeranthus spathaceus Grisebach, Cat. PL Cub. 264. 1866. Type. Wright 3299, from Cuba, Retiro Prov., 1860-1864 (holotype: B M ; isotype: L E photograph seen). Phenology & Pollination. Plants bloom in the fall and bear fruits in the spring. Its pollination biology is unknown. Illustrations. C. A. Luer, 1972; Dunsterville & Garay, 1979; Nir, 1988.

  • Distribution

    General Distribution. Florida (U.S.A.), Greater Antilles, northern South America, and Trinidad.

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