Vo1 - 2 PIPERACEAE 3 



PIPER ALLEN 1 1 C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 441. 



Piper longivaginans C. DC. in Philip. Journ. Sci. 5 (1910) Bot. 444, 

 11 (1916) Bot. 219 (inch forma &•).-' 



Luzon (Tayabas, Nueva Ecija, Laguna, Zambales, Rizal, Camarines), 

 Mindanao (Surigao), Allen 152, B. S. 6069 Robinson, 28797, 26496, 26497, 

 29094 Ramos & Edano. In primary forests at low and medium altitudes. 

 Endemic. 

 PIPER ANGUSTIPELTATUM Merr. in Philip. Journ. Sci. 17 (1920) 244. 



Luzon (Tayabas, east coast), B. S. 28846 Ramos & Edano. In damp 

 forests at low altitudes. Endemic. 



PIPER ARBORESCENS Roxb. Hort. Beng. (1814) 80, PI. Ind. 1 (1820) 



161, ed. 2, 1 (1832) 159; Merr. Interpret. Herb. Amb. (1917) 180. 

 Piper miniatum Blume in Verh. Bat. Genoots. 11 (1826) 166; C. DC. 



Prodr. 16 J (1869) 354; Lean. Philip. Bot. 3 (1910) 766, Philip. 



Journ. Sci. 5 (1910) Bot. 422 (inch formae a, b, c) , 11 (1916) Bot. 



208; F.-Vill. Novis. App. (1880) 175; Vidal Phan. Cuming. Philip. 



(1885) 138, Rev. PL Vase. Filip. (1886) 219. 

 Chavica miniata Miq. Syst. Pip. (1843) 234, Nov. Act. Acad. Nat. 



Cur. 21 (1846) Suppl. 32, t. 28, PI. Ind. Bat. 1 2 (1858-59) 440. 

 Piper glandulosa Opiz in Presl Rel. Haenk. 1 (1828) 158. 



Northern Luzon to Palawan and Mindanao. Common in forests at low 

 and medium altitudes. Malay Peninsula and Archipelago. 



Local names: Lauingan (Buk.) ; mangolas (Sub.) ; manlakbayan (Mbo.) ; 

 malabonyok (C. Bis.); opoi (Mbo.); parong (S. L. Bis.); tugpuan (Buk.). 



Var. HIRTELLUM (Miq.) comb. nov. 



Piper miniatum Blume var. hirtellum C. DC. in LeafL Philip. Bot. 3 



(1910) 776, Philip. Journ. Sci. 5 (1910) Bot. 422. 

 Chavica miniata Miq. var. hirtella Miq. Fl. Ind. Bat. Suppl. (1860-61) 

 473. 



Mindanao (Davao), Elmer 11229. In primary forests, altitude about 

 750 m. Sumatra. 



PIPER APOANUM C. DC. in Le'afl. Philip. Bot. 3 (1910) 785, Philip. 

 Journ. Sci. 5 (1910) Bot. 454. 



Mindanao (Davao, Mt. Apo), Elmer 11174. In thickets, altitude about 

 800 m. Closely allied to Piper viminale Opiz. Endemic. 

 Local name: Manikatapai (Bag.). 



PIPER ARBORISEDENS C. DC. in Philip. Journ. Sci. 11 (1916) Bot. 223. 



Luzon (Laguna), B. S. 24934 Ramos. In forests at low altitudes. En- 

 demic. 



PrPER ATROSPICUM C. DC. in Philip. Journ. Sci. 11 (1916) Bot. 208. 



Luzon (Tayabas), Leyte, B. S. 15359, 28781, 28664 Ramos. In forests 

 at low and medium altitudes. Endemic. Very closely allied to Piper 

 allenii C. DC. 



PIPER AURILIMBUM C. DC. Leaf. Philip. Bot. 3 (1910) 768, Philip. 

 Journ. Sci. 5 (1910) Bot. 425, 11 (1916) Bot. 210. 

 Luzon (Cagayan, Kalinga, Ifugao, Benguet), Elmer 8866, B. S. 1S980, 

 13946 Ramos, 37499, 37566, 37568 Ramos & Edano, 19821 McGregor, Weber 

 1584. In forests at medium altitudes. Endemic. 



