Vo1 - 3 CONVOLVULACEAE 363 



Ipomoea sepiaria F.-Vill. Novis. App. (1880) 141; Usteri Beitr. Ken. 

 Philip. Veg. (1905) 122 (prob.), non Koenig. 

 Luzon (Laguna), Palawan, Balabac, "Negros, Merrill 6300, 733, 9185, 

 Phil. PI. 206, Elmer 12880, Loher 6580, F. B. 26753 Mabesa, 25717 Fox- 

 worthy, B. S. 22467 Ramos. In open grasslands, deserted clearings, and 

 thickets at low altitudes. Southeastern Asia and Malaya. 

 Local name: Kalalakmit (Sul.). 



10. OPERCULINA S. Manso 



OPERCULINA BUFALINA (Lour.) Hallier f. in Meded. Rijks Herb. 1 

 (1910) 26. 

 Convolvulus bufalinus Lour. Fl. Cochinch. (1790) 109. 

 Ipomoea bufalina Choisy in Mem. Soc. Phys. Hist. Nat. Geneve 6 



(1883) 452, DC. Prodr. 9 (1845) 360. 

 Ipomoea riedeliana Oliv. in Hook. Ic. Ill 15 (1883) t. 14-24-. 

 Merremia riedeliana Hallier f. in Engl. Bot. Jahbr. 18 (1894) 552. 

 Merremia bufalina Merr. & Rolfe in Philip. Journ. Sci. 3 (1908) 

 Bot. 122. 

 Luzon (Ilocos Norte, Union, Bataan, Rizal), Merrill 5040, Phil. PI. 

 2078, Elmer 5622, B. S. 22470, 27596 Ramos, 9658 Robinson, F. B. 6294 

 Curran. In thickets and secondary forests at low altitudes. Indo-China 

 and Malaya. 



Local name: Bulakan-dagat (Tag.). 



OPERCULINA TUBEROSA (Linn.) Meissn. in Mart. Fl. Bras. 7: 212; 

 Merr. FL Manila (1912) 385. 

 Ipomoea tuberosa Linn. Sp. PI. (1753) 160; Choisy in DC. Monog. 

 Phan. 9 (1845) 362 (excl. syn. Blanco). 



Occasionally cultivated. Introduced from tropical America. 



OPERCULiNA TURPETHUM (Linn.) S. Manso Enum. Subst. Braz. (1836) 



16; Merr. Fl. Manila (1912) 385, Interpret. Herb. Amb. (1917) 



442, Sp. Blancoanae (1918) 325. 

 Convolvulus turpethum Linn. Sp. PI. (1753) 155; Wight in Hook. 



Bot. Miscel. 3 (1833) t. 38. 

 Ipomoea turpethum R. Br. Prodr. (1810) 485; Miq. Fl. Ind. Bat. 2 



(1857) 606; C. B. Clarke in Hook. f. Fl. Brit. Ind. 4 (1883) 212; 



F.-Vill. Novis. App. (1880) 141; Vidal Phan. Cuming. Philip. 



(1885) 129, Rev. PI. Vase. Filip. (1886) 196. 

 Convolvulus maximus Blanco Fl. Filip. (1837) 91, ed. 2 (1845) 67, 



ed. 3, 1 (1877) 127, non Linn. f. 

 Ipomoea reptans Llanos Frag. PL Filip. (1851) 55; F.-Vill. & Naves 



in Blanco Fl. Filip. ed. 3, 4 1 (1880) 39, non Poir. 

 Ipomoea ventricosa Llanos op. cit. 56; F.-Vill. & Llanos op. cit. 



40, non G. Don. 



Batan Islands, Luzon (Ilocos Norte, Bontoc, Lepanto, Union, Rizal, La- 

 guna, Batangas), Balabac, Culion, Palawan, Cebu, Ticao, Mindanao. Com- 

 mon in waste places, thickets,; etc., at low and medium altitudes. Pantropic. 



Local names: BangbaiTgau (Ilk.); burakan (S. L. Bis.); kamokamoti- 

 han (Tag.); laplapsut (Ilk.). 



