Vol. 2 POLYGONACEAE | BGS 
Luzon (Benguet), B. S. 31811 Santos, 14127 Robinson, Merrill 4428, 
Phil. Pl. 744, 1712, Williams 998 bis. In open wet places, along streams, 
in old rice paddies, etc., altitude 1,200 to 2,000 m. Warmer parts of the 
world. 
Local names: Agagat (Bon.); buding (Ig.); tuba (Bon.). 
POLYGONUM LANIGERUM R. Br. Prodr. (1810) 419; Meisn. in DC. 
Prodr. 14 (1857) 117 (var. indica Meisn.); F.-Vill. Novis. App. 
(1880) 172; Vidal Phan. Cuming. Philip. (1885) 187, Rev. Pl. Vasc. 
Filip. (1886) 217. 
Luzon (Cagayan, Ilocos Norte, Ifugao), Cuming 1377, B. S. 7902 Ramos, 
2262 Mearns, Topping 875. In open wet lands, near streams, etc., at low 
and medium altitudes. India to Africa, China, and Formosa, southward 
to Australia. 
POLYGONUM MEARNSII Elm. Leafl. Philip. Bot. 1 (1908) 289. 
Luzon (Benguet), Elmer 8357, Williams 1355. In thickets, damp for- 
ests, altitude about 2,200 m. An endemic species of which the fruits are 
unknown; it is apparently very closely allied to Polygonum posumbu Ham. 
but has very narrow leaves. 
oe 
POLYGONUM MINUS Huds. FI. Angl. (1762) 148; Meisn. in DC. Prodr. 
147 (1856) 111; Gage ex King & Gamble in Journ. As. Soc. Beng. 
75° (1912) 19. 
Luzon (Bontoc, Benguet), Merrill 9679, Phil. Pl. 745, Vanoverbergh 80, 
2206, B. S. 6000 Ramos, 14121 Robinson. In open wet places, altitude 1,200 
to 1,500 m. Europe, temperate and tropical Asia southward to Australia; 
introduced in North America. 
POLYGONUM ORIENTALE Linn. Sp. Pl. (1753) 343; Meisn. in DC. 
Prodr. 14 (1857) 123. 
Luzon (Pampanga, Rizal), Mindanao (Lanao, Bukidnon), B. S. 26100 
Férix, Merrill Phil. Pl. 310, Parker 49. In open wet places along streams 
at low and medium altitudes. India to Japan southward to Australia. 
POLYGONUM PEDUNCULARE Wall. Cat. (1829) No. 1718, nomen nudum; 
Meisn. in DC. Prodr. 14 (1857) 133; Gage ex King & Gamble in 
Journ. As. Soc. Beng. 75* (1912) 28. 
Polygonum strigosum F.-Vill. Novis. App. (1880) 172; Vidal Phan. 
Cuming. Philip. (1885) 1387, Rev. Pl. Vase. Filip. (1886) 217, 
non R. Br. 
Luzon (Benguet, Laguna), Mindoro, Mindanao, Cuming 484, Elmer 7729, 
18318, McGregor 173, Clemens 196, B. S. 24997. In open wet lands, swamps, 
etc., at low and medium altitudes, in Benguet ascending to 1,400 m. India 
to China southward to Australia. 
POLYGONUM PERFOLIATUM Linn. Syst. ed. 10 (1759) 1005; Meisn. in 
DC. Prodr. 14 (1857) 132; Rolfe in Journ. Bot. 23 (1885) 215; 
Vidal Rev. Pl. Vasc. Filip. (1886) 217; Ceron Cat. Pl. Herb. 
Manila (1892) 1388. 
Luzon (Lepanto, Bontoc, Benguet), Mindanao (Bukidnon), Hlmer 5798, 
Merrill Phil. Pl. 747, B. S. 5897 Ramos, 39020 Ramos & Edano. Sprawling 
