14 ENUMERATION OF PHILIPPINE PLANTS 



1923 



PIPER POLISANUM C. DC. in Philip. Journ. Sci. 11 (1916) Bot. 209. 



Luzon (Ilocos Norte, Bontoc, Apayao, Ifugao), B. S. 19817, 19816 Mc- 

 Gregor, 33363 Ramos, 10755 Worcester, 38069 Ramos & Edano. In forests, 

 altitude about 1,200 m. Endemic. 



PIPER POLYCLADUM C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 438, 11 

 (1916) Bot. 218. 

 Luzon (Benguet, Rizal), Williams 1134, B. S. 13396 Ramos, Merrill Phil. 

 PL 751. In thickets and forests, altitude about 1,200 m. Endemic. 



PIPER PUBERULINODUM C. DC. in Lean. Philip. Bot. 3 (1910) 773, 

 Philip. Journ. Sci. 5 (1910) Bot. 429. 



Mindanao (Davao), Elmer 11972. In forests, altitude about 800 m. 

 Endemic. 



PIPER PULOGENSE C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 453, 11 

 (1916) Bot. 222. 

 Luzon (Benguet), Merrill Phil. PI. 749, F. B. 16240 Curran, Merritt, & 

 Zschokke. In forests, altitude about 2,200 m. Endemic. 



PIPER RAMOSII C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 426, 11 (1916) 

 Bot. 211. 



Luzon (Rizal), Panay, Mindanao, B. S. 1755, 13433, 13397, 24932, 22279 

 Ramos, 19149 Reillo, 15788 Fenix, 31218, 29645, 29730 Ramos & Edano. In 

 forests, altitude about 1,200 m. Endemic. 



Local names: Litlit (Tag.); tugpuan (Buk.). 



PIPER RETROFRACTUM Vahl Enum. 1 (1804) 314; Usteri Beitr. Ken. 

 Philip. Veg. (1905) 125, C. DC. in Perk. Frag. Fl. Philip. (1905) 

 157 (inch var. latifolium C. DC), Philip. Journ. Sci. 5 (1910) Bot. 

 439, 11 (1916) Bot. 218, Lean. Philip. Bot. 3 (1910) 776; Merr. 

 Fl. Manila (1912) 170, Sp. Blancoanae (1918) 118. 

 Piper parvifolium Blanco Fl. Filip. (1837) 23, ed. 2 (1845) 17, ed. 



3, 1 (1877) 32; C. DC. Prodr. 16 1 (1869) 376. 

 Chavica parvifolia Hassk. in Flora 47 (1864) 59. 

 Piper officinarum C. DC. Prodr. 16 x (1869) 356; F.-Vill. Novis. App. 

 (1880) 175; Vidal Phan. Cuming. Philip. (1885) 138, Rev. PI. Vase. 

 Filip. (1886) 219. 

 Chavica officinarum Miq. Syst. Pip. (1843) 256, Nov. Act. Acad. 

 Nat. Cur. 21 (1846) Suppl. 39, t. 34, Fl. Ind. Bat. 1 2 (1858-59) 444. 

 Batan Islands, Luzon, Mindanao, Panay, Palawan. In thickets at low 

 altitudes, usually common. Indo-China and the Malay Peninsula to the 

 Moluccas. 



Local names: Amaras (Ilk.); boyo-boyo (Tagb.) ; kamara (Ilk.); ka- 

 yungo (Tag.) ; lilit (Ilk.) ; litlit (Tag.) ; sabia (Tag.) ; salimara (Tag.) ; 

 soag-matsing (Tag.); subon-manok (Tag.). 



PIPER RHOMBOPHYLLUM C. DC. Prodr. 16 1 (1869) 352, Lean. Philip. 



Bot. 3 (1910) 775, Philip. Journ. Sci. 5 (1910) Bot. 433, 11 (1916) 



Bot. 216; Vidal Phan. Cuming. Philip. (1885) 138, Rev. PI. Vase. 



Filip. (1886) 220. 

 Chavica populifolia Miq. Syst. Pip. (1843) 248, Fl. Ind. Bat. 1 * 



(1858-59) 442, non Piper populifolia Opiz. 

 Piper rhombifolium F.-Vill. Novis. App. (1880) 175, sphalm. 



