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(Last Modified On 5/21/2013)
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(Last Modified On 5/21/2013)
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Species
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Lundia puberula Pittier
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PlaceOfPublication
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Contr. U. S. Nail. Herb. 18: 258. 15 Sept. 1917.
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Note
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TYPE: Panama, Darien, Pittier 5499 (F, K, MO, US).-FIG.
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Synonym
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Lundia dicheilocalyx Blake, Contr. Gray Herb. 52: 94. 28 Sept. 1917. TYPE: British Honduras, Toledo, Peck 495 (GH, K). Lundia schumanniana Kranzl., Fedde Repert. 17: 120. 1921. TYPE: Mexico, Campeche, (not seen). Lundia colombiana Dugand, Caldasia 4: 236. 1946. TYPE: Colombia, Meta, Dugand & Jaramillo 3111 (COL, NY).
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Description
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Liana to at least 2.5 cm in diameter; stems with 4 phloem arms in cross sec- tion; the branchlets terete, puberulous, nodes with interpetiolar glandular fields; pseudostipules inconspicuous, blunt. Leaves 3-foliolate or 2-foliolate with a ten- dril or tendril scar; leaflets ovate, long-acuminate, basally truncate to asymmetri- cally cordate, 7.4-9.2 cm long and 4.6-5.7 cm wide, membranaceous, palmately veined at the base, the secondary veins 3-5 on a side, sparsely subpuberulous at least on the main veins above and beneath with a few longer trichomes in the axils of lateral nerves beneath and scattered lepidote scales mostly beneath, the margins strongly ciliate, plate-shaped glands near the midvein beneath, lepidote- glandular basally, drying olive brown to reddish-brown; tendril simple, 5-10 cm long; petiolules 2-2.3 cm long, the petiole 2.4-2.9 cm long, puberulous. Inflores- cence an axillary or terminal panicle, the branches puberulous. Flowers with the calyx in young bud conical-pointed, at length truncate, the tip calypterate and evenly dehiscent, or 2 (-3) -labiate and the tip splitting, 4-6 mm long and 3-4 mm wide, subpuberulous; corolla pale pink or lavender to magenta, tubular- campanulate or infundibuliform, 3.1-5.8 cm long and 0.7-1.5 cm wide at the mouth, the tube 2.5-4.0 cm long, the lobes 0.8-2.1 cm long, densely simple puber- ulous outside, the lobes ciliate-margined, glandular-lepidote and puberulous with simple trichomes inside, the throat glabrous inside or with a few scattered gland- tipped trichomes at and below the level of stamen insertion; stamens didynamous, the anther thecae divaricate, 3-4 mm long, the longer filaments 1.5-2.1 cm long, the shorter pair 1.0-1.3 cm long, the staminode 1-2 mm long, inserted 11-15 mm from the base of corolla tube; pistil 2.9-3.2 cm long, the style somewhat puber- ulous at least toward the apex, the ovary cylindric, 2.5-3.0 mm long and 1 mm wide, strongly appressed puberulous, the ovules 4-seriate in each locule; disc absent. Capsule linear, the valves somewhat compressed, the midvein conspicu- ously raised, the margins raised but rounded, velvety pubescent, drying blackish, 25-45 cm long and 1.5-1.6 cm wide; the seeds thin, bialate, 0.9-1.2 cm long and 3.3-3.5 cm wide, the wings membranaceous, basally brown, dirty-hyaline at the tip, not clearly demarcated from the seed body.
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Habit
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Liana
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Note
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A seldom-collected species of tropical wet forest and wetter parts of the tropical moist forest, L. puberula ranges from British Honduras and southern Mexico to Venezuela. It has been collected in flower in November, January, February, March, and August. This species is similar to L. corymbifera. Although the style of L. puberula tends to be pubescent toward the top while that of L. corymbifera is pubescent only at the extreme base, this character is variable. The dried calyx of this species is usually dark and bilobed, that of L. corymbifera light brown or tan and truncate, but neither of these characters is absolutely constant. Difference in flower color is the best character for separating the two species.
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Distribution
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ranges from British Honduras and southern Mexico to Venezuela.
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Specimen
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CANAL ZONE: Navy reservation N of Gamboa, Dressler 3140 (MO). Pipeline Road, Gentry & Dressler 1986 (MO). COLON: Santa Rita Ridge, 1.6 mi. NE of Carretera Transisthmica, Nee & Mori 3678 (MO); Gentry & Dwyer 4826 (MO, PMA). DARIEN: Ridge from top of Cerro Pavarando to Cerro Venado and Cerro Derumba, Gentry 4230 (MO). Near La Palma, Gentry 3933 (MO); Pittier 5499 (F, K, MO, US).
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