Vol.3 



CONVOLVULACEAE 371 



RIVEA BARN ESI I Merr. in Govt. Lab. Publ. (Philip.) 17 (1904) 40, 

 Philip. Journ. Sci. 1 (1906) Suppl. 119. 

 Rivea cinerea Elm. Leafl. Philip. Bot„ 1 (1908) 335. 

 Rivea urdanetensis Elm. op. cit. 7 (1915) 2605. 

 Luzon (Benguet, Pangasinan, Rizal, Bataan, Camarines), Mindoro, Sa- 

 mar, Leyte, Mindanao (Bukidnon, Agusan), F. B. 68 Barnes, B. S. 29917 

 Fenix, 1062, 24-293, 22202, 3.9593 Ramos, 29317, 39036 Ramos & Edano, 

 Wenzel 472, 855, Elmer 8882, 133-61, Merrill 1657, Phil. PL 467, Loher 

 5577. In forests at low and medium altitudes. Endemic. 

 Local names: Guahal (Ig.) ; kaulilan (Mbo.). 



RIVEA CORYMBOSA (Linn.) Hallier f. in Engl. Bot. Jahrb. 18 (1894) 

 157; Merr. Fl. Manila (1912) 387. 

 Convolvulus corymbosus Linn. Syst. ed. 10 (1759) 923. 

 Ipomoea burmanni Choisy in DC. Prodr. 9 (1845) 350. 

 Ipomoea sidaefolia Choisy Conv. Or. (1834) 77, DC. Prodr. 9 (1845) 

 372. 

 Luzon (Bulacan, Rizal, Laguna), Merrill Phil. PI. 443, Loher 4157, 6575, 

 B. S. 24103, 22413 Ramos. Introduced from tropical America, in some 

 places now spontaneous in thickets and secondary forests. 



RIVEA LUZON ENSIS Hallier f. in Bull. Herb. Boiss. 6 (1898) 714, t. 19; 

 Merr. in Philip. Journ. Sci. 1 (1906) Suppl. 119. 

 Rivea glabrata Elm. Leafl. Philip. Bot. 1 (1908) 334. 



Luzon (Cagayan, Bontoc, Ifugao, Benguet, Nueva Vizcaya, Pangasinan, 

 Nueva Ecija, Rizal, Bataan, Laguna, Sorsogon), Catanduanes, Mindanao 

 (Lanao). Common in thickets and forests, especially along mountain 

 streams at low and medium altitudes, ascending to 1,500 m. Endemic. 



Local names: Busilad (Tag.); denodokto (Ig.) ; sabaltukon (Tag.); ta- 

 uid-tauid (Neg.). 



16. ARGYREIA Loureiro 



ARGYREIA NITIDA (Desr.) Choisy in Mem. Soc. Phys. Hist. Nat. Geneve 

 6 (1833) 424, Conv. Or. (1833) 41, DC. Prodr. 9 (1845) 331; Miq. 

 Fl. Ind. Bat. 2 (1857) 588; F.-Vill. Novis. App. (1880) 139; Naves 

 in Blanco Fl. Filip. ed. 3 (1877-83) t. 412. 

 Convolvulus nitidus Desr. in Lam. Encycl. 3 (1*791) 544. 

 Argyreia mollis Merr. Fl. Manila (1912) 386, non Choisy. 



Luzon (Ilocos Norte, Nueva Ecija, Tarlac, Pampanga, Rizal, Laguna), 

 Culion, Merrill 601, 1299, 3643, 7352, Phil. PL 36, F. B. 8420, 19308 Curran, 

 13537 Merritt & Darling, 27089 Mabesa, B. S. 22002 Ramos, 11920 Robinson 

 & Ramos. In thickets and secondary forests at low and medium altitudes. 

 Endemic. 



Local names: Baging-kastila (Tag.); bulakan (P. Bis.); bulalakan (P. 

 Bis.). 



ARGYREIA NERVOSA (Burm. f.) Boj. Hort. Maurit. (1837) 244; Merr. 

 Fl. Manila (1912) 386. 

 Convolvulus nervosus Burm. f. Fl. Ind. (1768) 48, t. 20, f. 1. 

 Convolvulus speciosus Linn. f. Suppl. (1781) 137. 



