366 ENUMERATION OF PHILIPPINE PLANTS 1923 



Luzon (Abra, Lepanto, Bontoc, Rizal). In thickets and waste places at 

 low and medium altitudes. A native of tropical America, now pantropic. 

 Local names: Bulakan (Tag.); karnokamotihan (Tag.). 



IPOMOEA HISPIDA (Vahl) R. & S. Syst. 4 (1819) 238; Merr. & Rolfe in 

 Philip. Journ. Sci. 3 (1908) Bot. 122. 

 Convolvulus hispidus Vahl Symb. 3 (1794) 29. 



Ipomoea eriocarpa R. Br. Prodr. (1810) 484; Choisy in DC. Prodr. 

 9 (1845) 369; Benth. Fl. Austral. 4 (1869) 426; C. B. Clarke in 

 Hook. f. Fl. Brit. Ind. 4 (1883) 204. 



Luzon (Ilocos Norte, Bontoc, Benguet, Pangasinan), B. S. 2754-2, 4885 

 Ramos, Merrill 4-270, Vanoverbergh 938. In open grasslands and on and 

 about talus slopes and ledges, ascending to 1,200 m. Tropical Asia to trop- 

 ical Australia. 



IPOMOEA INDICA (Burm.) Merr. Interpret. Herb. Amb. (1917) 445. 

 Convolvulus indicus Burm. Index Univ. Herb. Amb. (1755) 6. 

 Ipomoea congesta R. Br. Prodr. (1810) 485; Choisy in DC. Prodr. 9 

 (1845) 369; Benth. Fl. Austral. 4 (1869) 417. 



Babuyan Islands, Luzon (Cagayan, Ilocos Norte, Bontoc), Negros, Pal- 

 mas, Jolo, Merrill 5352, B. S. 10654 McGregor, 27264- Ramos, F. B. 16669, 

 16670 Bacani,. 16622 Curran. In thickets at low and medium altitudes. 

 Formosa to the Moluccas tropical Australia and Polynesia. 



Local name: Bulakan pula (Sul.). 



IPOMOEA INVOLUCRATA Beauv. Fl. Oware Benin 2 (1807) 52, t. 89; 

 Merr. & Rolfe in Philip. Sci. 3 (1908) Bot. 122. 

 Ipomoea pileata Roxb. Fl. Ind. 2 (1824) 94, ed. 2, 1 (1832) 504; 

 Choisy in DC. Prodr. 9 (1845) 365; C. B. Clarke in Hook. f. Fl. 

 Brit. Ind. 4 (1883) 203. 



Culion, Merrill 542. In dry open places at low altitudes. Tropical 

 Africa and Asia. 



IPOMOEA OBSCURA (Linn.) Ker in Bot. Reg. t. 239; Choisy in DC. 

 Prodr. 9 (1845) 370; Miq. Fl. Ind. Bat. 2 (1856) 611; C. B. Clarke 

 in Hook. f. Fl. Brit. Ind. 4 (1883) 207; F.-Vill. Novis. App. 

 (1880) 141; Vidal Phan. Cuming. Philip. (1885) 129, Rev. PL 

 Vase. Filip. (1886) 196; Merr. in Philip. Journ. Sci. 1 (1906) Suppl. 

 119, Fl. Manila (1912) 391. 

 Convolvulus obscurus Linn. Sp. PI. ed. 2 (1762) 220. 



Throughout the Philippines in open grasslands and borders of thickets 

 at low and medium altitudes, often common. Tropical Asia, Africa, and 

 Malaya. 



Local names: Bangbangau (Ilk.); kuskusipa (Ilk.); panggi-panggi 

 (Sul.). 



IPOMOEA PES-CAPRAE (Linn.) Roth Nov. PL Sp. (1821) 109; Choisy in 

 DC. Prodr. 9 (1845) 349; Miq. Fl. Ind. Bat. 2 (1856) 602; F.-Vill. 

 Novis. App. (1880) 140; Merr. in Philip. Journ. Sci. 1 (1906) 

 Suppl. 120, 3 (1908) Bot. 429, Fl. Manila (1912) 391, Sp. Blan- 

 coanae (1918) 323. 



