248 A FLORA OF MANILA 
Pods rather rigid, flat, indehiscent, oblong or strap-shaped, with a distinct 
wing down one or both sutures. (Greek “membrane” from the thin pods 
of some species.) 
Species about 40, in most tropical countries, about 12 in the Philippines. 
1. Vexillary filament free throughout; flowers solitary on the nodes of the 
inflorescenee..5 62-2. canine teeta eae 1. D. diadelpha 
1. Vexillary filament more or less united with the others; flowers fascicled 
on the usually thickened nodes of the inflorescence. ‘ 
2. Leaflets 9 to 13; pods 4 to 6 cm long, about 1 em wide.... 2. D. scandens 
2. Leaflets 3 to 7; pods 2.5 to 5 cm long, 2 to 3 em wide.... 3. D. trifoliata 
1. D. diadelpha (Blanco) Merr. (D. sinuata Thwaites). Tibalao, Baga- 
rilao (Tag.). 
A scandent shrub 2-to 8 m high. Leaves 15 to 30 cm lott leaflets 
large, 7 to 11, oblong to oblong-ovate, broadly acuminate, 6 to 15 cm long. 
Panicles about as long as the leaves, pubescent. Flowers numerous, white, 
about 1.5 cm long, the calyx pubescent. Vexillary filament entirely free 
from the others. Pods 4 to 12 cm long, about 2 cm wide, rather hard, 
narrowly winged down one suture, containing from 1 to 4 seeds. (FI. Filip. 
pl. 336, D. floribunda.) 
In thickets near Caloocan, occasional, fl. Apr—June; widely distributed 
in the Philippines. Ceylon and India to Indo-China and Malaya. 
2. D. scandens (Roxb.) Benth. 
A scandent shrub 3 to 6 m high, somewhat ferruginous-pubescent or 
nearly glabrous. Leaves odd-pinnate, about 15 cm long. Leaflets 9 to 
18, oblong-ovate to elliptic-lanceolate, 2 to 6 cm long, 1 to 2.5 ecm wide, 
apex broadly acuminate, usually retuse. Racemes axillary, few- to many- 
flowered, longer than the leaves, the flowers usually fasciculate on the 
very short lateral branches. Calyx dull-purple, somewhat oblique, 3 mm 
long. Corolla white, about 1 cm long. Pods flattened, lanceolate or oblong- 
lanceolate, narrowed at both ends, 4 to 6 cm long, about 1 cm wide, with 
a narrow wing along the dorsal suture, containing from 1 to 3 seeds. (FI. 
Filip. pl. 232, Galedupa frutescens.) 
In thickets, Malate, Malinta, etc., fl. June-Sept.; widely distributed in the 
Philippines. India to China, Malaya, and northern Australia. 
3. D. trifoliata Lour. (D. uliginosa Roxb.). 
A seandent glabrous shrub reaching a length of 8 m or less. Leaves 
10 to 20 cm long; leaflets shining, oblong-ovate, acuminate, 3 to 7, very 
variable in size, 4 to 18 em long. Inflorescence of simple, axillary racemes 
or narrow panicles, 5 to 10 cm long. Flowers white, often tinged with 
violet, 8 to 10 mm long. Pods subrhomboid to broadly oblong, 2.5 to 5 
em long, 2 to 3 cm wide, glabrous, 1- or 2-seeded, prominently veined, 
with a narrow wing along the upper suture. (Fl. Filip. pl. 161, D. for- 
stenianda.) 
In thickets along the tidal sbiditenth fl. more or less all the year; along 
the seashore and tidal streams throughout the Philippines. Tropical Africa 
and Asia, through Malaya to Australia and Polynesia. 
37. PISUM Linnaeus 
Annual herbs with equally pinnate leaves, ending in a branched tendril, 
the stipules large, leaf-like. Flowers white, axillary, solitary, pedicelled. 
