14 CXI. POLYGON ACEA5. [ PolygOflUM . 
{9) P. pedunculare Wall. Cat. 1718; Gage, l.c. 23. (Fig. 135, 
P- I 3 -) 
Stems slender, branching about 1 ft. tall. Leaves lanceolate 
acute, base narrowed shortly, often oblique; internodes 1 to 3 in. 
long; 2 to 275 in. long, *5 to 75 in. wide; petioles -4 in. long, 
slender; sheath small, much shorter than internode. Inflorescence 
3 in. long, of slender branches with small *25 in. heads at the ends. 
Flowers crowded, pink. Stamens 5. Ovary lenticular; style 
bifid. Nutlet biconvex. Hob. Aquatic in ditches and ponds, 
very pretty. Singapore, Kalang (Wallich). Johor, Serom; Kota 
Tinggi. Pahang, Pekan. Malacca, Jus (Goodenough). Selangor, 
Batu Caves; Dusun Tua; Kwala Lumpur (Curtis). Negri 
Sembilan, Tampin (Burkill). Perak, Kwala Kangsa; Changkat 
Jerin (Wray). Penang, Balik Pulau; Pulau Betong (Curtis). 
Kedah, Bukit Jenum (Haniff). Kelantan, Kota Bharu. Distrib. 
Indo-Malaya, Australia, China. Native names: Bunga Kowah; 
Jangut Rimau. 
Order CXII. ARISTOLOCHIACE/E. 
Climbing or erect shrubs (rarely herbs). Leaves alternate, 
entire or lobed. Flowers bisexual, terminal or axillary. Perianth 
more or less adnate to the top of the ovary, 3-lobed, regular or 
irregular and tubular; lobes valvate. Stamens 6 or more, adnate 
to style-column, extrorse. Ovary 4- to 6-celled; ovules numerous; 
style columnar with 3 or more stigmas. Fruit capsular (or baccate). 
About 200 species, chiefly tropical (Gamble, Jonrn. /Is. Soc. Beng. 
lxxv. 23). 
Erect or creeping shrubs; perianth regular; capsule 
slender, long. 
Stamens in 1 row; flowers small . . . .1. Apama 
Stamens in 2 rows; flowers medium or large . . 2. Thottea 
Climbers; perianth irregular, tubular, base inflated; 
oblong. Capsule oblong . . . . -3- Aristolochia 
1 . APAMA, Lam. 
Shrubs or undershrubs usually stellate hairy. Leaves sub- 
coriaceous ; nerves and reticulations prominent beneath. Flowers 
in axillary panicles or racemes. Perianth campanulate, trilobed, 
valvate. Stamens 6 to 12 in 1 row. Ovary inferior, 4-celled; 
ovules numerous; style short; stigmas 3 or more expanded in a 
disc or free. Capsule elongate pendulous, 4-angled. Seeds very 
many, 3-angled. Species 4 of 5, Indo-Malaya, China. 
The genus is better known as Bragantia Lour. 
Big shrub with small, yellowish flowers . . (1) A. corymbosa 
Creeping undershrub; flowers moderate, lilac . . (2) A. tomentosa 
