264 A FLORA OF MANILA 
1. D. LABLAB L. Batao (Tag.). 
A glabrous, twining, annual vine reaching a length of 6 m or more, the 
stems often purplish. Leaves 3-foliolate, the stipules small, basifixed; 
leaflets ovate, acute or acuminate, entire, 7 to 15 cm long. Racemes erect, 
long-peduncled, 15 to 25 cm long. Flowers few to many, pink-purple or 
nearly white, about 2 cm long. Pods oblong, flattened, 7 to 12 cm long, 
about 2 cm wide, acuminate, containing 3 to 5 seeds. (FI. Filip. pl. 292, 
Lablab cultratus.) 2 
Commonly cultivated for its edible beans, frequent in thickets etc., fi. 
Oct.-_May; widely distributed in the Philippines, wild and cultivated, but 
certainly introduced. Tropics of the Old World. 
2. D. falcatus Klein. 
A slender, twining, glabrous or nearly glabrous annual vine reaching 
a length of 3 to 4 m. Leaflets ovate to oblong-ovate, 2 to 6 cm long, 
subentire to somewhat 3-lobed, acute or acuminate, base broad. Peduncles 
solitary, axillary, slender, equaling or exceeding the petioles, each bearing 
from 1 to 3 or 4 flowers at the apex. Flowers pink and white or purplish, 
1cm long. Pods oblong, somewhat curved, 5 to 7 cm long, about 8 mm wide. 
In dry thickets, Guadalupe etc., common, fl. Oct.-March; widely distributed 
in Luzon. India. 
57. PSOPHOCARPUS Necker 
Twining herbaceous or suffrutescent vines from tuberous roots. Leaves 
3-foliolate, the stipules produced below the point of attachment; leaflets 
stipellate. Flowers rather large, pale-blue or purplish. Calyx-teeth 
shorter than the tube, the upper 2 connate. Corolla much-exserted, petals 
equal, the keel incurved. Stamens monadelphous, the upper one free below. 
Ovary many-ovuled; style long, bearded around the stigma. Pod square, 
oblong, distinctly longitudinally winged along each angle, septate between 
the seeds. 
Species 3 or 4 in the tropics of the Old World, 1 in the Philippines. 
1. P. TETRAGONOLOBUS (L.) DC. Segidilla (Sp.-Fil.); Calamismis (Tag.) ; 
Asparagus Bean. 
A glabrous, twining, annual vine reaching a length of 6 m or more. 
Leaves 3-foliolate, leaflets ovate, entire, acuminate, 8 to 14 cm long, base 
deltoid. Racemes few-flowered up to 15 cm in length. Flowers light-blue, 
3 to 8.5 cm long. . Pod square, 10 to 20 cm long, about 2 cm thick, 4-winged, 
the wings about 5 mm wide, crisped. (FI. Filip. pl. 293.) 
Commonly cultivated for its edible pods, occasionally spontaneous, fl. 
Oct.—_Dec., certainly introduced. India and Malaya. 
66. OXALIDACEAE (OXALIS OR BALIMBING FAMILY) 
Herbs or trees, glabrous or pubescent. Leaves opposite or alternate, 
usually 2-stipulate. Inflorescence axillary or cauline. Flowers umbellate 
or cymose, perfect, regular, small. Sepals 5, imbricate. Petals 5. Stamens 
10, in 2 series; filaments somewhat united below. Ovary 5-celled; ovules 
one to many in each cell; styles free. Fruit capsular or fleshy, dehiscent or 
indehiscent. { 
Genera 7, species about 250, chiefly in temperate regions, 3 genera and 6 
species in the Philippines. 
