92 PHILIPPINE FIBER PLANTS 



This species is common and widely distributed in the Phil- 

 ippines. 



PTEROSPERMUM NIVEUM Vid. BayOK-BAYOKAN. 



Local names: Bdroi (Abra, Pangasinan, Tarlac) ; bayog (Zambales, Ba- 

 taan, Rizal, Laguna, Camarines, Mindoro) ; bayok (Nueva Ecija, Pampanga, 

 Bataan, Laguna) ; hayok-hayokan (Camarines) ; bayugtin (Tayabas) ; 

 kantingan (Mindoro); tamok (Bataan); tingantingan (Tayabas). 



The bark of this species is used for making rope and for tying 

 purposes. 



Pterospermum niveiim is a tree reaching a diameter of 60 

 centimeters. The leaves are alternate, hairy, oblique at the 

 base, pointed at the tip, and 7 to 17 centimeters in length. The 

 flowers are large, white, and fragrant. The fruit is oval, 

 pointed, 6 to 8 centimeters long, splits into four or five segments, 

 and contains winged seeds. 



This species is widely distributed in the forests of the Phil- 

 ippines. 



Genus STERCULIA 



STERCULIA CRASSIRAMEA Merr. Tapinag. 



Local names: Adupong (Benguet) ; balinad (Ticao, Palawan); banlkad 

 (Mindoro) ; banilad (Rizal, Mindoro, Guim.aras Island) ; bcniiakalau or 

 baiinakalau (Benguet, Ilocos Norte, Ilocos Sur, Abra) ; kalukalum- 

 pdngan (Rizal) ; palak-pdlak (Bulacan) ; malakapdi, malapapdya, tajnndg 

 (Bataan) . 



Rope made from the bast of this tree is fairly strong. King 

 found the tensile strength to be 398 kilos per square centimeter. 

 Wetting decreased it about 23 per cent. 



Sterculia crassiramea is a large tree reaching a diameter of 

 60 centimeters. The smallest branches are much thickened. 

 The leaves are very large, usually more than 35 centimeters long, 

 heart-shaped at the base, and very hairy. The flowers are 

 yellow and 4 millimeters long. The fruits are large, red, and 

 inflated. 



This species is widely distributed in forest areas of Luzon. 



STERCULIA CUNEATA R. Br. Malabonot. 



Local names: Balinad (Palawan); baydyat, tambobonot (Isabela) ; bu- 

 Idkan, malakakdo (Laguna) ; kakao-kakdo, sulimbubu (Mindoro) ; kaluka- 

 lumjjdngan (Rizal) ; kalumpdng, upak (Pampanga) ; vialabonot (Nueva 

 Ecija, Rizal, Manila) ; maratarong (Ilocos Sur) ; opong-opong (Camarines). 



The bark of this tree is used for making rope. 



Sterculia cuneata is a tree reaching a height of 15 meters and 

 a diameter of 35 centimeters. The leaves are alternate, very 

 hairy, heart-shaped at the base, pointed at the tip, and from 12 

 to 28 centimeters long. 



This species is widely distributed in the Philippines. 



