16 ENUMERATION OF PHILIPPINE PLANTS ee 
PIPER TENUIPEDUNCULUM C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 
460. 
Mindanao (Zamboanga), Williams 2374 p. p. In forests at low altitudes, 
closely allied to Piper caninum Blume. Endemic. 
PIPER TENUIRAMEUM C. DC. in Perk. Frag. Fl. Philip. (1905) 159, 
Philip. Journ. Sci. 5 (1910) Bot. 456. 
Luzon (Rizal), (Warburg 13317). Perhaps not distinct from Piper 
viminale Opiz. Endemic. 
PIPER TOPPINGII C. DC. in Leafl. Philip. Bot. 3 (1910) Bot. 783, Philip. 
Journ. Sci. 5 (1910) Bot. 446, 11 (1916) Bot. 221. 
Piper chlorocarpum C. DC. in Philip. Journ. Sci. 11 (1916 ) Bot. 221. 
Piper pilipes C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 423, 11 
(1916) Bot. 209. 
Central Luzon to Mindanao, Merrill 7770, 6580, Phil. Pl. 274, Elmer 
5850, Clemens, B. S. 20129 McGregor, 15864 Ramos, 37650, 37790, 37902 
Ramos & Edano, Wenzel 20, 717, 778, 894, 889, 8938, 948. In forests at 
medium altitudes. Endemic. 
Local name: Dautt (Ig.). 
PIPER UMBELLATUM Linn. Sp. Pl. (1753) 43, var. SUBPELTATUM 
(Willd.) C. DC. in Donn.-Sm. Enum. 6: 39, Philip. Journ. Sci. 5 
(1910) Bot. 468, 11 (1916) Bot. 225. 
Piper subpeltatum Willd. Sp. Pl. 1 (1798) 166; C. DC. Prodr. 16 * 
(1869) 333; F.-Vill. Novis. App. (1880) 176; Vidal Phan. Cuming. 
Philip. (1885) 188, Rev. Pl. Vasc. Filip. (1886) 220. 
Piper peltatum Usteri Beitr. Ken. Philip. Veg. (1905) 125 (sphalm) 
non Linn. 
Pothomorphe subpeltata Mig. Comment. Phytogr. (1840) 36, Syst. 
Pip. (1843) 213. 
Northern Luzon ta Mindanao. In damp forests at low and medium 
altitudes. Pantropic. 
Local names: Balai (Bon.); bayag-bayag (C. Bis.); dujaran (Ig.); 
gumba (Sul.); kamamba (Tag.); kubéamba (Tag.); kiuyo (Bag.); kuyok 
(Bag.); pugapong (Buk.). 
Var. GLABRUM C. DC. in Bull. Herb. Boiss. 6 (1898) 494, Leafl. Philip. 
Bot. 3 (1910) 789, Philip. Journ. Sci. 11 (1916) Bot. 225. 
Luzon (Laguna), B. S. 12414 McGregor. In forests. 
PIPER URDANETANUM C. DC. in Leafl. Philip. Bot. 6 (1914) 2298. 
Mindanao (Agusan), Elmer 13718. Very closely allied to Piper wen- 
zellii C. DC. Endemic. 
Local name: Sauodan (Mbo.). 
PIPER VARIBRACTEUM C. DC. in Leafl. Philip. Bot. 3 (1910) 764, Philip. 
Journ. Sci. 5 (1910) 421, 11 (1916) Bot. 208. 
Mindanao (Davao), Elmer 11998. In forests at low altitudes. En- 
demic. 
Local name: Manikatapai (Bag.). 
