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Flora of the Venezuelan Guayana

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16. LUNDIA A. DC., Biblioth. Universelle Genéve ser. 2, 17: 127. 1838., nom. cons.

Lianas, the branchlets terete, with interpetiolar glandular fields; pseudostipules inconspicuous or absent. Leaves 3-foliolate; terminal leaflet sometimes replaced with a simple or trifid tendril. Inflorescence an axillary or terminal panicle. Calyx closed and pointed in bud, calypterately or occasionally bilabiately splitting, cupular and truncate (or bilabiate) at anthesis; corolla white to magenta, tubular-funnel-shaped to tubular-campanulate, puberulous outside. Anthers densely pubescent, the thecae straight, divaricate, the filaments glabrous or pubescent. Ovary oblong-conical, densely puberulous; ovules 2-6-seriate in each locule; disk lacking. Fruit an elongate-linear, ± compressed capsule, the valves parallel to the septum, puberulous, the median vein conspicuously raised, the margins also ± raised. Seeds thin, 2-winged, the wings membranous, irregularly hyaline at least at tips.

Southern Mexico to Brazil and Bolivia; 12 species, 4 in Venezuela, all in the flora area.

Key to the Species of Lundia

1. Tendrils trifid; filaments densely pubescent in upper half ..... L. densiflora

1. Tendrils simple; filaments glabrous except at the extreme base or sparsely puberulous with scattered trichomes ..... 2

2(1). Corolla almost always white; style glabrous except at extreme base or rarely with a few long trichomes near apex; stigma ± abruptly expanded above the style, the apex rounded-truncate; calyx usually drying tannish, almost always uniformly truncate ..... L. corymbifera

2. Corolla pink to magenta or white; style shortly puberulous at apex or throughout; stigma not abruptly broadened above the style, narrowing to a rounded-subacute apex; calyx usually dark when dry, sometimes bilabiate ..... 3

3(2). Capsule with the midline inconspicuously raised; filaments with a few sparse trichomes; corolla white or pale pink; calyx truncate; leaves, branchlets, and inflorescence very inconspicuously puberulous; leaflets oblong-ovate ..... L. erionema

3. Capsule with midline conspicuously raised; filaments completely glabrous except near base; corolla pink to magenta; calyx sometimes bilabiate; leaves, branchlets, and inflorescence conspicuously puberulous, the leaves ciliate-margined; leaflets usually ovate ..... L. puberula

Lundia corymbifera (Vahl) Sandwith, Recueil Trav. Bot. Néerl. 34: 229. 1937. -Bignonia corymbifera Vahl, Eclog. Amer. 2: 45, pl. 17. 1798.

Liana. Seasonally dry forests, 100-300 m; northern Bolívar. Widespread elsewhere in Venezuela; Costa Rica, Panama, Colombia, French Guiana, Ecuador, Peru, Brazil, Bolivia.

Lundia densiflora A. DC., Prodr. 9: 181. 1845.

Lundia stricta Bureau & K. Schum. in Mart., Fl. Bras. 8(2): 236. 1896.

Liana. Moist or wet nonflooded evergreen lowland to montane forests, 100-900 m; Bolívar (Gran Sabana, Río Cuyuní basin, Serranía de Imataca), Amazonas (widespread). Colombia, Guyana, Suriname, Amazonian Brazil, Bolivia. Fig. 384.

Lundia erionema A. DC., Prodr. 9: 181. 1845.

Liana. Mostly poor-soil forests, 50-1200 m; Bolívar (Cerro Guaiquinima, Gran Sabana, Río Parguaza), Amazonas (Río Mawarinuma, near San Fernando de Atabapo). Colombia, Guyana, French Guiana, Peru, Amazonian Brazil, Bolivia.

Lundia puberula Pittier, Contr. U. S. Natl. Herb. 18: 258. 1917.

Liana. Nonflooded evergreen lowland forests, 50-200 m; northern Bolívar. Barinas, Mérida, Miranda, Táchira, Trujillo, Zulia; Mexico, Central America, Colombia, Amazonian Peru and Brazil, Bolivia.


Scientific Comments:
Paul Berry (peberry@facstaff.wisc.edu) or Kay Yatskievych (kay.yatskievych@mobot.org).

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