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(Last Modified On 7/23/2013)
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(Last Modified On 7/23/2013)
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Species
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Didonica pendula Luteyn & Wilbur
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PlaceOfPublication
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Brittonia 29: 255. 1977.
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Note
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TYPE: Pan- ama, Dressler 5170 (DUKE, holotype; photo of holotype, NY).
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Description
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Epiphytic shrub 7-10 dm tall; mature stems subterete, smooth or minutely striate, glabrous or puberulent, dark blackish red when dry; immature stems and twigs of the new growth subterete, striate, glabrous or puberulent, brownish or graying when dry; pseudostipules ca. 2 mm long. Leaves lance elliptic to ovate, (4.5)6-9 cm long, (1.5)2-5 cm wide, glabrous, basally rounded to obtuse or shortly cuneate, apically short to long acuminate, entire, green to olive green when dry, glandular fimbriate beneath but fimbriae soon deciduous; 5(-7)-pli- nerved, the midrib impressed above, thickened and raised for the proximal 1- 1.5 cm, elevated beneath, the lateral nerves and the veinlets slightly raised on both the surfaces; petioles subterete, rugose, glabrous, slightly' winged laterally, 5-10 mm long, 1.5-2 mm in diameter, dark reddish brown when dry. Inflorescence with the rachis 1.5 mm long; pedicels terete, minutely ribbed, glabrous, 15-18 cm long, 0.3-0.5 mm in diameter; floral bract ovate, ca. 1 mm long, marginally glandular fimbriate; bracteoles nearly basal, aristate, ca. 1.5 mm long, marginally glandular fimbriate; hypanthium and calyx glabrous, 10-12 mm long, the tube obconic, muricate, 3.5-5 mm long. Flowers with the calyx limb campanulate, conspicuously nerved, 6.5-7 mm long including the lobes, the lobes broadly ovate, apiculate, 2.5 mm long, 5 mm wide at base with acute sinuses; corolla campanulate cylindric, glabrous, ca. 22 mm long, pink, thin and membranous when dry, the lobes broadly ovate, 2.5 mm long, 6 mm wide; stamens ca. 12 mm long, all alike, the filaments ciliate, ca. 4.5 mm long, 2 mm wide at base, narrow- ing to the connective, the connective extending to the base of the tubules, the anther including the tubules ca. 10 mm long, the thecae 6.8-7.5 mm long, minutely granular, the tubules slightly spreading, 3.0-3.2 mm long, pilose adaxially, dehiscing by oval, latrose clefts 1.5-2 mm long, but the clefts not ex- tending to the apex of the tubule; style glabrous, 16-18 mm long, the stigma peltate. Fruit unknown.
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Habit
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shrub
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Note
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In spite of marked morphological variation we have included both of the known collections under the same binomial. The specimen from Cocle (Allen 3760) has glabrous twigs, ovate, short-acuminate leaves about 3-5 cm wide and pentamerous flowers. Dressler's specimen from Veraguas (5170) has pu- berulent twigs, narrowly lanceolate, long acuminate leaves about 2 cm wide and flowers with 5-lobed calyces, 6-lobed corollas and 12 stamens. Additional col- lections are needed to evaluate these differences and to complete our under- standing of the morphology of the species.
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Specimen
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COCLE: El Valle de Anton, crest of Cerro Pajita, 1100 m, Allen 3760 (MO). VERAGUAS: Third branch of Rio Santa Maria, 10-14 km NW of Santa Fe, 650-750 m, Dressler 5170 (DUKE).
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