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(Last Modified On 1/20/2013)
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(Last Modified On 1/20/2013)
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Species
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MAXILLARIA EXALTATA (Kranzl.) C. Schweinf.
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PlaceOfPublication
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Bot. Mus. Leafl. Harv. Univ. 11:272. 1945.
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Synonym
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Camaridium exaltatum Krainzl. in Engler's Bot. Jahrb. 37:386. 1906.
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Description
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Tall, erect, epiphytic herbs, the cylindric, sometimes branching stems 60-75 cm. tall, apparently entirely without pseudobulbs, the lower portions enveloped in the closely imbricating, persistent, chartaceous leaf bases which ultimately weather to loose fibers, the upper stem with 2-ranked foliage. Leaves coriaceous, linear-lanceolate, acuminate, 9-25 cm. long and .8-1.5 cm. wide, the broad, conduplicate bases imbricating and equidistantly distributed on the stem. Inflorescences usually several, slender, 1-flowered scapes 5-6 cm. long, produced from the upper leaf axils. Flowers of moderate size. Sepals free, subequal, spreading, pale pinkish tan (in our specimens), the dorsal sepal linear-lanceolate, acute, with a central keel, 2-2.5 cm. long and .35-5 cm. wide, the laterals ligular, acute, 2.3-2.8 cm. long and .5-.7 cm. wide, the bases rather oblique and adnate to the column foot, forming a prominent acute mentum. Petals linear-lanceolate, acute, pale pinkish tan (in our specimens), 2-2.2 cm. long and .3-.4 cm. wide. Lip 3-lobed near the apex, reddish-brown, 13-15 mm. long and 6-8 mm. wide when spread out, contracted at the base and articulated with the column foot, lateral lobes erect in natural position, the anterior margins subacute and somewhat projecting, the mid-lobe ovate, abruptly acute, about I4 the total length of the lip, conspicuously thickened and minutely papillose, with a prominent tubercle on the underside of the apex; the disk with a ligular, rather concave, obtuse callus, about 3/4 the length of the lateral lobes, the apex rather conspicuously thickened. Column short, stout, semi-terete, produced at the base into a long foot.
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Distribution
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Panama and Peru.
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Specimen
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COCLE: mossy forest on the crest of Cerro Pajita, hills north of El Valle de Anton, 1200 m., Allen & Fairchild 3945.
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Note
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This collection represents a tremendous extension of range for this rather poorly known Peruvian species. Our specimens match the excellent photograph of the type and the type description in the Ames Herbarium almost exactly, even to the size of the floral parts, which is remarkable in view of the wide separation of the areas of collection. It is of course to be expected that the species also exists in Colombia and Ecuador, and will eventually be collected there.
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