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Project Name Data (Last Modified On 7/12/2013)
 

Flora Data (Last Modified On 7/12/2013)
Species Burmeistera microphylla Donnell Smith
PlaceOfPublication Bot. Gaz. (Crawfordsville) 25: 146. 1898.
Note TYPE: Costa Rica, San Jos6e, La Palma, 1520 m, Werckle 11600 (US, holotype).
Synonym ?Centropogon scandens Planch. & Oerst., Vidensk. Meddel. Dansk Naturhist. Foren. Kj0benhavn. 1857: 157. 1857. TYPE: Costa Rica, Jaris, Oersted (?C, not seen). Centropogon aurobarbatus F. E. Wimmer, Repert. Spec. Nov. Regni Veg. 19: 251. 1924. TYPE: Costa Rica, Heredia, Barba, Brade 2315 (B, lectotype, not seen). Burmeistera aurobarbata (F. E. Wimmer) F. E. Wimmer, Repert. Spec. Nov. Regni Veg. 30: 35. 1932. Burmeistera aurobarbata var. valde-cuspidata Suessenguth, Bot. Jahr. Syst. 72: 287. 1942. TYPE: Costa Rica, Vara Blanca, Kupper 256 (M, holotype; M, isotype). Burmeistera aurobarbata var. cuspidata F. E. Wimmer, Pflanzenreich IV. 276b (Heft 69): 151. 1943. TYPE: Costa Rica, Cordillera Central and the vicinity of San Ramon (type not designated).
Description Epiphytic, suffrutescent, glabrous herbs; stems pendent, hollow, (0.3-)0.9-1.5 m long. Principal leaves with blades variable in size and shape, elliptic to lanceo- late, ovate or obovate, usually (1.3-)4-7(-12) cm long and 1.5-3(-4.5) cm wide, mostly 2-4(-6) times as long as wide, glabrous, thick and somewhat fleshy when fresh, coriaceous when dry, apically blunt, acute or acuminate, often with a slen- der, caudate tip to 2.5 cm long, basally rounded and abruptly contracted to gradually cuneate-tapering, marginally entire or indistinctly crenate-serrate with irregularly spaced callosities, dark green above, pale green beneath, sometimes tinged with purple; petioles 0.5-1.3 cm long, glabrous. Flowers (2.5-)3-4 cm long; pedicels solitary in the upper leaf axils, strongly ascendant, spreading or slightly deflexed, ebracteolate, (1.5-)2.5-4(-5.5) cm long; hypanthium in anthesis campanulate, basally narrowed and often long-tapering, glabrous, 5-7 mm long; calyx lobes linear, apically blunt, entire or obscurely callose-denticulate, erect to spreading or reflexed, (2-)4-10(-15) mm long, glabrous; corolla glabrous, pale cream to greenish tinged with russet red externally and creamy yellow internally, the tube ( 12-) 15-20 mm long, the lobes lanceolate to broadly linear, the 2 upper lobes 8-11 mm long, the 2 lateral lobes 6-8 mm long, the lowest lobe only ca. 4 mm long; filament tube 18-27 mm long, glabrous or sparingly puberulent dis- tally, the anthers (3-)4-5.5 mm long, externally with sparse to copious hirsutulous yellow trichomes 0.2-0.4 mm long, rarely glabrous, the 2 shorter anthers with a conspicuous tuft of wavy, pilose, soft yellow or rarely whitish? trichomes. Berries little inflated, 5-9(-12) mm in diameter, usually white to purplish tinted at maturity; seeds oblong, flattened, shallowly pitted, 1.2-1.5 mm long.
Habit herbs
Distribution This species is a common epiphyte in the wet forests of the Costa Rican Cordi- llera Central but is not known south of the northern section of the Talamancas until it appears in the wet montane forests west of Cerro Punta and Volcaln Chiriquf of Panama.
Note It has not yet been collected between Chiriqui and Cocle, probably an indication of the incompleteness of botanical explorations. There is considerable variation in leaf shape in this species as reflected in the above synonymy but the variation is morphologically continuous.
Specimen CANAL ZONE: Between Fort San Lorenzo and Fort Sherman, Mori & Kallunki 2727 (MO). CIIIRIQUI: Las Nubes, 2000 m, Croat 26427A (MO). 2.7 mi NW of Rio Chiriqui Viejo W of Cerro Punta, 2200 m, Liesner 309 (DUKE). Trail beyond Las Nubes, midway between Cerro Punta and Cerro Picacho, NW of town of Cerro Punta, 1900-2200 m, Luteyn & Wilbur 4624, 4632 (both DUKE). Las Nubes, 5 km NW of Cerro Pando, 6000-6500 ft, Mori & Bolten 7235 (MO). Las Nubes region, 3-5.5 km NW of Cerro Punta and 2 km NW of Las Mirandes, 2000- 2410 m, Utley et al. 245 (DUKE, MICH). NW side of Cerro Punta beyond Las Nubes, 7500 ft, Wilbur & Teeri 13210 (DUKE). Ca. 5 km NW of Cerro Punta, 2000-2300 m, Wilbur et al. 15198 (DUKE, MO). Ridge near Las Nubes, ca. 7200 ft, Wilbur & Almeda 17081 (DUKE); Wilbur et al. 17106 (DUKE, MICH, MO). Ca. 5 km NW of Cerro Punta towards Cerro Picacho, 2000-2100 m, Wilbur & Luteyn 19392 (DUKE, F, MICH, MO, US). COCLE: Hills N of El Valle de Anton, 1000 m, Allen 2343 (MO, US). Cerro Pajita, hills N of El Valle de An- ton, 1000-1200 m, Allen 4180 (MO). La Mesa above El Valle de Anton, Croat 14396 (MO). El Valle, 800-1000 m, Duke 13229 (MO). Cerro Pilon, El Valle, 3000 ft, Duke & Lallathin 14978 (MO). Mountains N of El Valle de Anton, 2500-3000 ft, Lewis et al. 1725 (MO). PANAMA: Cerro Jefe, ca. 1000 m, Mori & Kallunki 3625, 3799 (both DUKE, MO); Mori 7984 (MO). El Llano-Carti road, 10.5 km N of El Llano, 450 m, Nee 10524 (MO).
 
 
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