234 ENUMERATION OF PHILIPPINE PLANTS ^922 



LANGUAS RUFA (Presl) comb. nov. 



Hellenia rufa Presl Rel. Haenk. 1 (1827) 114, t. 21; Miq. Fl. Ind. 



Bat. 3 (1859) 604. 

 Alpinia rufa Naves Novis. App. (1880) 226; K. Schum. in Engl. Bot. 

 Jahrb. 27 (1899) 293, Pflanzenreich 20 (1904) 361; Ridl. in Philip. 

 Joum. Sci. 4 (1909) Bot. 190, Leafl. Philip. Bot. 2 (1909) 604, 8 

 (1915) 2887. 

 Luzon (Laguna, Camarines, Tayabas, Sorsogon), Polillo, Catanduanes, 

 Samar, Lejrte, Panay, Negros, Bucas, Mindanao, Basilan. In forests at 

 low and medium altitudes. Endemic. 



Local names: Bihai (C. Bis.); kaukos (Bag.); tagbag (Mbo.) ; tagbak 

 (Tag.). 

 LANGUAS SIBUYANENSIS (Elm.) comb. nov. 



Alpinia sibuyanensis Elm. Leafl. Philip. Bot. 8 (1915) 2891. 

 Sibuyan, Elmer 12316. In forests along streams, altitude about 225 

 m. Endemic. 



Local name: Bobonan (P. Bis.). 



LANGUAS SPECIOSA (Wendl.) comb. nov. 



Zerumbet speciosum Wendl. Sert. Hann. (1798) t. 19. 



Alpinia nutans Rose, in Sm. Exot. Bot. 2 (1805) t. 106; Naves Novis. 



App. (1880) 226. 

 Alpinia cernua Naves Novis. App. (1880) 226, Fl. Filip. ed. 3 



(1877-83) t. A6Jf, non Sims. 

 Alpinia speciosa K. Schum. Fl. Kaiser-Wilhelmsl. (1887) 29, Engl. 

 Bot. Jahrb. 27 (1899) 284, t. 3, f. A, B, Pflanzenreich 20 (1904) 

 339, /. J^0 D-F. 

 Occasionally cultivated for ornamental purposes, but not a native of 

 the Archipelago and nowhere naturalized. China, Japan; cultivated in 

 other warm countries. 



LANGUAS SUBFUSICARPA (Elm.) comb. nov. 



Alpinia subfusicarpa Elm. Leafl. Philip. Bot. 8 (1915) 2892. 



Mindanao (Davao), Elmer 10506. In damp primary forests, altitude 

 about 1,200 m. Endemic. 



Local name: Bosadak (Bag.). 



LANGUAS TRACHYASCUS (K. Schum.) comb. nov. 



Alpinia trachyascus K. Schum. in Engl. Pflanzenreich 20 (1904) 

 336; Ridl. in Philip. Journ. Sci. 4 (1909) Bot. 185. 

 Mindanao (Davao), Warburg IJfSH in herb. Berol. I have seen only 

 the type which has the facies of Alpinia haenkei Presl. Endemic. . 



LANGUAS VANOVERBERGHII (Merr.) comb. nov. 



Alpinia vanoverberghii Merr. in Philip. Joum. Sci. 7 (1912) Bot. 75. 



Luzon (Bontoc), Vanoverbergh 573. On slopes, altitude about 1,350 

 m. Endemic. 



Local names: Kalauin (Bon.); kalaiiing (Bon.); takang (Bon.). 



LANGUAS VULCAN ICA (Elm.) comb. nov. 



Alpinia vulcanica Elm. Leafl. Philip. Bot. 8 (1919) 2971. 

 Luzon (Camarines, Sorsogon), Bucas Grande, Elmer 16168, B. S. 3386U 

 Ramos & Edano, 35051 Ramos & Pascasio, 23^28 Ramos. In primary 

 forests at low and medium altitudes, ascending to 800 m. Endemic. 



