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(Last Modified On 5/10/2013)
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(Last Modified On 5/10/2013)
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Species
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Petrea aspera Turcz.
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PlaceOfPublication
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Bull. Soc. Imp. Naturalistes Moscou 36: 211. 1863.- FIG. 7.
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Description
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Woody vine; stems stout, twisting, with small pith, obtusely tetragonal, often deeply sulcate between the rounded angles, gray, glabrate; branchlets slender, sparsely or abundantly lenticellate, otherwise similar to the stems. Leaves opposite, mostly large, elliptic, 5.5-25 cm long, 3-11 cm wide, apically varying from obtuse or rounded to short-acuminate, entire, often slightly sinuate-undate along the margins in drying, basally acute, thin-membranous or sometimes heavier and firm or even subcoriaceous when old, uniformly green and mostly smooth to touch, sometimes obscurely scabridous on both surfaces, glabrate or very obscurely and minutely asperulous on both surfaces; vein and veinlet reticulation abundant, the larger veins often subprominulous above, more uniformly subprominulous be- neath; petioles stout, 5-9 mm long, glabrate or obscurely pulverulent apically. Inflorescence appearing with or after the leaves, axillary, borne at or near the ends of the branches, numerous, erect or nutant, 14-39 cm long, to 8 cm wide in fruit, racemiform, peduncles 0.5-3.5 cm long; flowering pedicels to 3 cm long; torus swollen, 10-ribbed. Flowers with the calyx light-textured, blue or lavender to purple or violet, the tube membranous, subcampanulate, 4.5-5.5 mm long, apically slightly ampliate and 3-5 mm wide, obscurely 5-10-ribbed, not verru- culose, glabrate, the lobes thin-membranous, narrowly obovate, 8-21.5 mm long, basally 2.4-3.5 mm wide, 5.5-6 mm wide at the widest point, subacute apically, glabrous on both sides; the calicinal crest 5-cleft to the base, the lobes mem- branous, triangular-ovate, erect, ca. 2.5 mm long and 1.5 mm wide, apically acute, irregularly and obscurely fringed; corolla hypocrateriform, blue or lavender to purple or violet, the tube infundibular, 16-17 mm long, the basal portion narrow- cylindric and 2-2.5 mm wide, conspicuously ampliate to 7.5-9 mm apically, glabrate outside, within densely short-pubescent from the apex to just below the stamens, the pubescence densest among the stamens, the limb rotate, the anterior lobe largest, broadly obovate, 11-12 mm long, ca. 11 mm wide, rounded, irreg- ularly sinuate, punctate throughout but not pubescent on either surface, the remaining lobes similar but smaller, 9-10 mm long, 10-11 mm wide; stamens inserted ca. 7 and 9 mm above the base of the corolla-tube, the filaments ca. 2 mnm long, glabrous or scattered long-pilose, the anthers with slightly thickened connective, not humped nor apiculate, not surpassing the thecae, densely short- pilose; ovary oblong, glabrous; disk glabrous, not ribbed. Fruiting-calyx hard and tough, the tube to 6 mm long and 5 mm wide, the lobes stiff, to 22 mm long and 7 mm wide, the calicinal crest callose, converging inwards.
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Habit
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Woody vine
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Distribution
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In rainforests and jungles, on the shores of lakes, at the edges of creeks, and along forest trails, ranging from Panama to Brazil and sometimes cultivated in other regions.
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Common
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Bejuco de hajo biura
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Common
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flor de la cruz flor de nino
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Common
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flor de mayo Santa Lucia
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Specimen
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CANAL ZONE: Caladonia Harbor, Mt. Vernon, Elmore L.41 (MICH). Lion Hill Station, Panama Railroad, Hayes 1861 (BM, K). Madden Forest Preserve, along Las Cruces Trail and highway, Lewis et al. 5317 (AAU). Pipeline Road between mile markers 0 and 11.1, ca. 16 mi. N of Gamboa, Lewis et al. 5427 (MOLDENKE). Experimental Gardens, Lindsay 259 (NY). Edges of creeks and along forest trails, Gamboa District, Maggs s.n. (Cap Pilar Exped. II.48) (F, NY). Railroad relocation between Gorgona and Gatuin, 10-50 m, Pittier 2275 (NY, US). Fort Clayton near old hospital, Tyson & Blum 3892 (MO). At mouth of Lara River, Tyson & Loftin 3849 (MO). Paraiso, Wagner 586 (M). Without locality Allen 960 (MO, NY, S), Goldman 1868 (US), Standley 27609 (US). Albrook Forest, Blum 2232 (MO), Epplesheimer s.n. 1910 (F). Barro Colorado Island, Bailey & Bailey 636, 648 (both BH), Bangham 601 (AAH, F), Croat 4858 (NY), Frost 196 (F), Moldenke & Moldenke 19800 (DAO, LEMPERG, NY, SMU, SV), Shattuck 412 (F, in part), Wetmore & Abbe 162 (F, GH), Woodworth & Vestal 385 (F). COLON: Along Rio Fato, Pittier 3895 (US). DARIEN: Near Pinogana, 20 m, Allen 4293 (MO). Cerro Pidiaque, Duke 8079 (BMIC, MO). Rio Sambu, between Sambu and Rio Venado, Duke 9303 (US). Teotuma, 100 m, Duke 10071 (MO). Around Pinogana, Pittier 6531 (US). PANAMA: Along Rio Chagres between Gamboa and Alhajuela, 30-60 m, Allen 960 (NY). Panama, S. Hayes s.n. (E). Forests along Rio Boqueron above Peluca Hydrographic Station, 90 m, Hunter & Allen 658 (MO, NY, S). Sabanas, Bro. Paul 281 (US), Pittier 6531 (BM, GH, US). Panama, Seemann 594 (BM, K), Williams 702 (NY, US). SAN BLAS: Mainland opposite Ailigandi, Lewis et al. 195 (MO, US). VERAGUAS: San Francisco, Powell s.n. (US). Veraguas, Seemann 1129 (BM, K). Cafiazas, Tyson 3747 (MO).
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