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(Last Modified On 1/22/2013)
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(Last Modified On 1/22/2013)
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Species
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IONOPSIS UTRICULARIOIDES (Sw.) Lindi.
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PlaceOfPublication
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Coll. Bot. t. 39-A. 1821.
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Synonym
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Epidendrum utricularioides Sw. Prodr. 122. 1788. Dendrobium utricularioides Sw. in Nov. Act. Soc. Upsal. 6:83. 1799. Iantha pallidiflora Hook. Exot. Fl. 2: t. II3. 1824. Ionopsis tenera Lindl. in Bot. Reg. 22: t. I904. 1836. Ionopsis pallidiflora Lindl. loc. cit. sub. t. I904. 1836. Ionopsis paniculata Lindl. loc. cit. 1836. Ionopsis zonalis Lindl. & Paxton, in Paxton's Flow. Gard. 2:13. 1851-53, in text.
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Description
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Epiphytic herbs 5-12 cm. tall. Leaves approximate, linear-lanceolate to ob- long-lanceolate, acute, the blades 3.5-12 cm. long and 0.5-1.5 cm. wide, the mid- vein forming a keel on the under-surface, the sheathing bases sometimes enveloping a minute pseudobulb. Inflorescences 1-3 slender, erect or arching, simple or paniculate scapes 15-60 cm. long, produced from the lateral or subterminal leaf axils, provided with a few distant, inconspicuous sheaths. Flowers few to many, small to relatively large and conspicuous, lavender, rose-purple, or white, super- ficially resembling those of some species of Utricularia. Sepals subequal, not spreading, oblong-lanceolate to elliptic-lanceolate, acute, 3-6 mm. long and 1-2 mm. wide, the dorsal sepal free, concave, the laterals connate at the base and pro- duced into a short, broad, obtuse sac. Petals subequal to the dorsal sepal, elliptic- ovate, acute, or obtuse and shortly apiculate, 2.5-5 mm. long and 1.5-3 mm. wide. Lip about twice as long as the sepals, 5-12 mm. long and 5-12 mm. wide, the apex broadly spreading, deeply emarginate and 2-lobed, contracted at the base into a fleshy, biauriculate claw which is adnate to the base of the column, the apex of the claw with 2 suborbicular, flattened calli. Column short, rather stout, with- out wings, about 2 mm. long, the base without a foot.
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Distribution
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Mexico to Brazil and Paraguay; Florida; West Indies.
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Specimen
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CANAL ZONE: vicinity Gamboa, 100 ft., Dorothy Allen 4572. PANAMA: hills east of Panama City, sea level, Powell 181.
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Note
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A common epiphyte widely distributed throughout the lowlands of the Ameri- can tropics and sub-tropics. The species is very variable in regard to the size of flowers and width of leaves.
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