458 A FLORA OF MANILA 



about 1 cm 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 cm long, 2.5 cm 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. (Fl. Filip. pi. 460, T. husioniana.) 



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 cm 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, frefe, obovate. Male flowers with 3 stamens, 

 the anthers connate, their cells conduplicate. Female-flowers: Ovary 

 oblong; style short, with 3 bifid lobes. Fluit large, fldshy, ultimately dry, 

 indehiscent, very variable in shape. (Greek "flask" from the shape of the 

 fruit.) 



A monotypic genus, r/^ Jf 



* 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 petalg 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 8, or 6, the filaments free or connate. Female flowers: Caljrx-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 lO-angled, oblong, 3-celled, fleshy when immature, ultimately dry, 



