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404 FIELD MUSEUM OF NATURAL HISTORY BOTANY, VOL. XIX DISTRIBUTION: Western Ecuador. ECUADOR: Sodiro (N); Ruiz & Pavon (Ma). Guayas: Balao, Eggers 14433 (B, type, N). Oro: Rio Pitagongo, near Santa Rosa, Lehmann 4839 (B, K). Los Rios: Canton Vinces, Mexia 6578 (N). Bolivar: San Miguel, Stevens 200 (N). This is distinguished from the other species of this section by the indument on the stem and under surface of the leaves. The outer corona filaments are much shorter than in its near relatives. 241. Passiflora Miersii Mast, in Mart. Fl. Bras. 13, pt. 1: 599. pi. 117J.I. 1872. Plant glabrous throughout; stem terete, wiry, often golden-yellow; stipules semi-ovate, 1 to 2.5 cm. long, 0.5 to 1.2 cm. wide, rounded at both ends, mucronulate at apex, crenulate or subentire, reddish purple when dry, pale at margin, persistent; petioles up to 1.5 cm. long, slender, biglandular in upper third, the glands stipitate; leaves lanceolate or ovate-lanceolate, 3 to 6 cm. long (or the lower up to 8 cm.), 2 to 3 cm. wide, acutish or rounded at apex, truncate or rounded and subpeltate at base, 3-5-nerved, subcoriaceous, claret-colored beneath, dark reddish purple when dry; peduncles 3 to 5 cm. long, slender, articulate about 5 mm. from apex; bracts variable, narrowly ovate, oblanceolate, or linear-setaceous, up to 6 mm. long, and 2 mm. wide, borne about 1 cm. below base of flower, soon deciduous; flowers 4 to 5 cm. wide; calyx tube campanulate, ventricose at base; sepals oblong, 1.5 to 2.5 cm. long, 5 to 7 mm. wide, obtuse, aristate dorsally just below apex, white ; petals subequal to sepals, obtuse, white ; corona filaments filiform, in 4 series, the outer 2 radiate, 1 to 1.5 cm. long, whitish, barred with purple at base, those of the third series minute, barely 1.5 mm. long, violet, those of the fourth series 5 to 7 mm. long, erect, violet or deep purple; operculum membranous, erect below, the upper half slightly inclined toward gynophore, subplicate, bearing a row of filaments on outer surface just below margin, the filaments 4 to 5 mm. long; limen cupuliform, closely surrounding base of gynophore; ovary ovoid, glabrous, glaucous; fruit obovoid or ellipsoidal, 3 to 4 cm. long, 1.5 to 2 cm. in diameter, the pericarp coriaceous; seeds obovate, reticulate. TYPE LOCALITY: Organ Mountains, Brazil. ILLUSTRATIONS: Mart. Fl. Bras. 13, pt. 1: pi. 117, f. 1; Gard. Chron. III. 4: 352. 1888; Bot. Mag. 116: pi. 7115. DISTRIBUTION: Eastern Brazil, Minas Geraes to Sao Paulo.
AMERICAN PASSIFLORACEAE 405 BRAZIL: Schwacke 7427 (B). Minas Geraes: Claussen (K); St. Hilaire 225 (P). Caldas, Regnell III.637 (B, N, S); Mosen 4148 (S). Between Barbacena and Serra da Mantiqueira, Warming 1166 (Cop). Rio de Janeiro: Widgren 328 (S); Regnell 78 (S). Organ Mountains, Miers (BM, K, type). Santa de Estrella, Weddell 717 (P). Serra do Tingua, Glaziou 6551 a (B, P). Sao Paulo: Burchell 3919 (K); Sello 290 (B). Sao Joao de B6a, Mosen 4149 (S). Butantan, Hoehne 238 (B). This is readily distinguished from P. Eggersii and P. Guentheri, the two other entire-leaved species of this section. The bracts, soon deciduous and not present in several of the specimens examined, vary from linear-setaceous to ovate or oblanceolate, a rather extreme variation within a species. 242. Passiflora Guentheri Harms, Notizbl. Bot. Gart. Berlin 10: 811. 1929. Plant glabrous throughout; stem sub terete; stipules semi-oblong, 1 to 2.5 cm. long, 0.5 to 1 cm. wide, mucronate (mucro 3 to 4 mm. long), entire, thick-coriaceous, persistent; petioles 1.5 to 3.5 cm. long, 4-glandular, the glands about 1.5 mm. wide, sessile, 2 borne near apex of petiole, 2 near middle; leaves oblong-ovate or ovate-lanceolate, 7 to 14 cm. long, 3 to 7 cm. wide, acute or subacute at apex, rounded at base, septuplinerved, conspicuously reticulate-veined, thick-coriaceous, bright green above, glaucescent beneath; peduncles solitary, 3 to 4 cm. long; bracts ovate-lanceolate, 6 to 7 mm. long, about 3 mm. wide, acuminate at apex, cordulate, sessile, dissitate near middle of peduncle; flowers about 5 cm. wide; calyx tube broadly campanulate, about 7 mm. long; sepals oblong, 2.5 to 3 cm. long, about 1 cm. wide, obtuse, minutely awned dorsally just below apex (awn barely 1 mm. long), green without, white(?) within; petals oblong, subequal to sepals, obtuse, white(?); corona filaments in 4 series, the outermost filiform, 2 to 2.5 cm. long, radiate, those of the succeeding series 3 to 4 mm. long, capitellate, erect; operculum white, 6 to 7 mm. high, cleft nearly to base into linear, overlapping segments about 0.7 mm. wide; ovary ovoid, glabrous. TYPE LOCALITY: Mapiri region, San Carlos, Bolivia. DISTRIBUTION: Known only from type locality, in northern Bolivia. BOLIVIA: La Paz: Mapiri region, San Carlos, Buchtien 906 (907, in error; B, type, N).
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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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