458 A FLORA OF MANILA 
about 1 ecm long, green, hairy. Petals white, nearly free, fimbriate, 
oblong, about 1.3 cm long. Pistillate flowers soliary, axillary, peduncled. 
Fruits ellipsoid, pointed, up to 4 em long, 2.5 em thick, green, mottled 
with longitudinal gray stripes when young, orange-red when mature. 
Seeds somewhat compressed, undulate, hard, rugose, nearly 1 cm long, 
imbedded in a soft, red pulp. (FI. Filip. pl. 460, T. lucioniana.) 
In thickets, scattered, fl. June—Dec.; widely distributed in the Philippines. 
India, through Malaya to Australia. . 
2. T. quinquangulata A. Gray. Tabuyoc (Tag.). 
A coarse glabrous vine with angled or sulcate stems. Leaves subor- 
bicular, 10 to 20 cm long, acuminate, base deeply cordate, sharply 5- or 
7-angled or lobed. Male racemes long-peduncled, many-flowered, one or 
two flowers opening at a time, the bracts large, ovate, 3 to 4 cm long. 
Flowers white, large. Calyx-lobes 2 to 2.5 em long, irregularly toothed. 
Corolla-tube slender, the limb spreading, 7 to 9 cm in diameter. Fruit 
globose, smooth, red or crimson, 10 cm in diameter. 
Cementerio del Norte, fl. Nov._Feb.; widely distributed in the Philip- 
pines. Endemic. 
4, LAGENARIA Seringe 
A coarse, annual, herbaceous vine. Leaves ovate to orbicular, cordate, 
toothed, the petiole 2-glandular at the apex. Flowers large, white, solitary, 
the males long-, the females short-peduncled. Calyx-tube funnel-shaped, 
with 5 narrow teeth. Petals 5, free, obovate. Male flowers with 3 stamens, 
the anthers connate, their cells conduplicate. Female-flowers: Ovary 
oblong; style short, with 3 bifid lobes. Fruit large, fleshy, ultimately dry, 
indehiscent, very variable in shape. (Greek “flask” from the shape of the 
fruit.) 
A monotypic genus. 
*1. L. LEUCANTHA (Lam.) Rusby (L. vulgaris Seringe). Opo, Upo 
(Tag.). 
A rather coarse vine reaching a length of several meters. Leaves 
suborbicular, pubescent on both surfaces, more or less 5-angled or lobed, 
10 to 40 cm in diameter. Flowers white, the petals 3 to 4 cm long. Calyx 
pubescent. Fruit green, mottled with gray or white, polymorphous, in 
the commonest form club-shaped, up to 80 cm long and 15 cm in diameter, 
but in other forms, ovoid to depressed-globose and nearly as thick as long. 
Commonly cultivated for its edible fruit, fl. Jan—June; throughout the 
Philippines in cultivation, not spontaneous. A native of tropical Asia or 
Africa, now cultivated in all tropical countries; of prehistoric introduction 
in the Philippines. 
5. LUFFA Adanson 
Usually rather coarse, pubescent or nearly glabrous vines. Leaves cor- 
date, 5-angled or -lobed. Flowers yellow, monoecious, the males in long 
or short racemes, the females solitary. Male flowers: Calyx-tube obcon- 
ical, the lobes 5, triangular to lanceolate. Petals 5, obovate. Stamens 2 
or 38, or 5, the filaments free or connate. Female flowers: Calyx-tube 
slightly produced above the ovary, the lobes and corolla as in the males. 
Ovary oblong; style cylindric; stigma 3-lobed. Fruit large or small, cy- 
lindric or 10-angled, oblong, 3-celled, fleshy when immature, ultimately dry, 
