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(Last Modified On 7/24/2013)
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(Last Modified On 7/24/2013)
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Species
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Vaccinium dissimile Blake
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PlaceOfPublication
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J. Bot. 53: 271. 1915.
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Note
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TYPE: Costa Rica: Prov. de San Jose; La Palma, 1550 m, Tonduz (C.R. Nat. Herb. #12546) J. Donnell Smith 7380 (BM and K, syntypes neither seen; US, isotype).
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Synonym
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Disterigma dissimile (Blake) Blake, Proc. Biol. Soc. Wash. 35: 120. 1922.
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Description
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Creeping, epiphytic, viney shrublets with stems interwoven amongst the epiphytic bryophytes; stems wiry, perhaps to a meter long, 1-1.5 mm in diam- eter, the young stems densely spreading puberulent, glabrous in age. Leaves ovate, lance ovate or narrowly to broadly elliptic, coriaceous, entire, revolute, mostly 1.5-3.0(-4.0) cm long, 8-15(-18) mm wide, glabrous above and beneath or beneath sparingly to moderately beset with dark glandular, appressed trichomes 0.1-0.2 mm long, apically acute and basally rounded to cuneate; petioles 1-2 mm long, puberulent. Inflorescences of axillary, solitary flowers, pedicels 1-1.5 (-4 or fide A. C. Smith to 8) mm long, the bracteoles basal, 2, ovate to broadly oblong, opposite, obtuse to broadly rounded, puberulent, 0.8-1 mm long and nearly as wide. Flowers with the hypanthium campanulate, 2.2-2.8 mm long, densely hirsutulous with hyaline trichomes 0.1-0.2 mm long, the calyx lobes 4, broadly deltoid, acute, 0.7-0.8 mm long, moderately to densely hirsutulous; corolla red, campanulate, sparingly and inconspicuously beset with spreading, gland-tipped trichomes 0.1-0.2 mm long, the tube 7-9 mm long, 6-7 mm in diameter at the apex or the broadest point, the lobes 4, acutely deltoid, 1.5-2 mm long, erect; stamens 8, the filaments 3.5-4.0 mm long, sparsely pilose, elliptical, tapering both to the base and the apex where about 0.5 mm wide, the anthers medifixed, spurless, 2-2.5 mm long, conspicuously papillose granular, each sac tapering into an erect tubule 2-2.5 mm long which opens by an introrse cleft 0.5-0.7 mm long; ovary 4-loculate. Berry not seen.
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Habit
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shrublets
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Distribution
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known from the cloud forests of parts of Costa Rica, Panama, and northwestern Colombia
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Note
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the plant is easily overlooked. Blake placed this species in the genus Disterigma, but Smith (1933) disagreed since the "pedicellary bracts, which are much smaller than those of typical species [of Disterigma], do not clasp the tube," "the pedicels themselves are usually longer than those described by Blake (up to 8 mm long), and the plant does not have the compact close-leaved habit of Disterigma." Sleumer (1936) established the monotypic section Pseudodisterigma Sleumer of Vacciniumn for this species. It seemingly rests comfortably in neither genus but its proper placement must await generic reappraisal of the vaccinioid ericads.
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Specimen
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BOCAS DEL TORO: Between Q. Gutierrez and E slope of La Zorra, headwaters of Rio Mali, Chiriqui Trail, Kirkbride & Duke 729 (MO). CHIRIQUI: Cloud forest, Cerro Colorado, 50 km N of San Felix, ca. 1400 m, Dressler 5086 (DUKE, MO). COCLE: Cerro Pajita, hills N of El Valle 1100 m, Allen 3782 (MO). La Mesa above El Valle, 800 m, Croat 25431 (MO). Summit of Cerro Pilon above El Valle de Anton, ca. 2700 ft, Dwyer 4488 (MO). La Mesa, 5 mi N of El Valle, 2500 ft, Tyson et al. 2443 (DUKE). PANAMIA: Premontane rain forest, Cerro Jefe, along trail on ridge running NE from summit, 1000 m, Mori et al. 3756 (MO). Cerro Jefe, new road leading N from summit, Witherspoon 8526 (DUKE, MO). VERAGUAS: Tropical wet forest, Atlantic slope, 11 km from Escuela Agricola Alto de Piedra along Rio Dos Bocas, Mori & Kallunki 3177 (MO). NW of Santa Fe, 8.8 km from Escuela Agricola Alto de Piedra, Pacific slopes, Mori & Kallunki 3939 (MO).
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