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556 FIELD MUSEUM OF NATURAL HISTORY BOTANY, VOL. XIX 346. Passiflora cauliflora Harms, Verhandl. Bot. Verein. Brandenburg 48: 185. 1906. Scandent shrub, glabrescent throughout except the ovary; petioles about 3 cm. long, biglandular near apex; leaves oblong, 15 to 18 cm. long, 6 to 10 cm. wide, obtusely acuminate or acute, rounded at base, penninerved (principal lateral nerves 9 to 11 to a side, prominent beneath), thick-coriaceous, with a dark, thickened band at the margin; flowers "brown-yellow," borne in axillary fascicles, the rachis nodulose, up to 2 cm. long, the pedicels about 3 mm. long; calyx tube cylindric, 1.5 to 2 cm. long, 3 to 4 mm. in diameter; sepals oblong, about 2 cm. long and 6 mm. wide, obtuse; petals similar to the sepals; corona filaments in 3 series, the outermost subdolabriform, 1.2 to 1.5 cm. long, those of the 2 inner series narrowly linear, 2 to 3 mm. long; operculum borne at middle of tube, erect, about 1 cm. high, cleft in the upper third into 5 linear segments; ovary narrowly obovoid, finely and softly ferruginoustomentellous. TYPE LOCALITY: Cerro de Escalera, Department of Loreto, Peru. DISTRIBUTION: Amazonian Peru. PERU: San Martin: Zepelacio, King 3469 (N). Loreto: Cerro de Escalera, near Tarapoto, Ule 6679 (B, type, Go). Mouth of Rio Santiago, Tessmann 4588 (B). This is very similar to P. skiantha, described from the same general locality. Both have an unusual operculum, this being longer than in most species of Botryastrophea, and cleft into five linear segments. In P. cauliflora the operculum is tubular in the lower two-thirds, cleft only at the apex, whereas in P. skiantha the operculum is cleft nearly to its base. Other differences between the two are the shorter calyx tube and pubescent ovary of P. cauliflora. 347. Passiflora skiantha Huber, Bol. Mus. Goeldi 4: 591. /. 5. 1906. Scandent shrub, glabrous throughout; petioles about 1 cm. long, biglandular at apex; leaves elliptic, up to 17 cm. long and 9.5 cm. wide, abruptly acute or acuminate at apex, rounded at base, penninerved (principal lateral nerves 4 or 5 to a side), membranous; flowers in short, dense fascicles, the rachis 1 to 2 cm. long, the pedicels about 5 mm. long; calyx tube cylindric, 3 to 3.5 cm. long, 6 to 8 mm. in diameter, slightly ventricose at base; sepals oblong, 2.5 to 3 cm. long, about 8 mm. wide, obtuse, at length reflexed; petals similar to but slightly narrower than the sepals; corona filaments in 4 series,
AMERICAN PASSIFLORACEAE 557 the outermost spatulate, about 1.5 cm. long, those of the second series 4 mm. long, slightly dilated at apex, those of the 2 inner series filiform, 2 mm. long; operculum borne at middle of tube, deeply cleft into 5 linear filaments about 1.5 cm. long; ovary ellipsoidal, glabrous; fruit ovoid, about 6.5 cm. long; seeds ovate, about 8 mm. long, 5 mm. wide, "transversely rugose." TYPE LOCALITY: Cerro de Canchahuayo, Peru. ILLUSTRATION: Bol. Mus. Goeldi 4: 592. /. 5. Peru. DISTRIBUTION: Known only from the type locality, in northern PERU: Loreto: Cerro de Canchahuayo, Huber 1424 (Go, type). This is similar to P. cauliflora, as already noted. 348. Passiflora longiracemosa Ducke, Archiv. Jard. Bot. Rio de Janeiro 3: 221. pi. 23. 1922. High climbing, woody vine, with well developed tendrils, essentially glabrous throughout; stipules soon deciduous; petioles 2 fa 9 cm. long, biglandular at apex, the glands subsessile; leaves variable, ovate-orbicular to lance-oblong, ranging from the length and width being subequal to the length twice the width, up to 15 cm. long and wide, obtuse and emarginate at apex, shallowly cordate, penninerved (principal lateral nerves 5 to 7 to a side), thick-coriaceous, lustrous above, glaucous-pruinose beneath; inflorescence racemose, the racemes 20 to 60 cm. long, horizontally spreading, floriferous nearly to base, the pedicels 1.5 to 3 cm. long, subpendulous; flowers purplish, "coral pink"; calyx tube cylindric, 3 to 5 cm. long, 8 to 9 mm. in diameter, ventricose at base; sepals linear-oblong, 1 to 1.5 cm. long, 4 to 5 mm. wide, obtuse; petals slightly shorter and narrower than the sepals; corona filaments in 2 series, the outer filiform, 3 to 5 mm. long, violet at tips, the inner a ridge of minute, dark violet tubercles at throat of tube; operculum borne near base of tube, membranous, erect, about 1 cm. high, fimbrillate in upper third; ovary obovoid, glabrous; fruit obovoid, about 5 cm. long, 3 cm. in diameter, 6-angled, rose-red; the pericarp hard; seeds obovate, about 7 mm. long and 3.5 mm. wide, coarsely reticulate. Brazil. TYPE LOCALITY: Lago do Salgado, near Rio Trombetas, Para, ILLUSTRATION: Archiv. Jard. Bot. Rio de Janeiro 3: pi. 23. 1922. DISTRIBUTION: British Guiana and Amazonian Brazil.
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THE UNIVERSITY OF ILLINOIS
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THE AMERICAN SPECIES OF PASSIFLORAC
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PRINTED IN THE UNITED STATES OF AME
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UNIVERSITY OF ILLINOIS-URBANA
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