Vol-2 ARISTOLOCHIACEAE 119 



DOUBTFUL SPECIES 



Cynomorium philippense Blanco Fl. Filip., (1837) 665, ed. 2 (1845) 464, 

 ed. 3, 3 (1879) 72; Eichl. in DC. Prodr. 17 (1873) 123; Merr. Sp. 

 Blancoanae (1918) 134. 

 The description apparently refers to a Balanophora, but its status is 



otherwise entirely indeterminable from the very imperfect description. 



ARISTOLOCHIACEAE 



1. ARISTOLOCHIA Tournefort 



ARISTOLOCHIA ELEGANS Mast, in Gard. Chron. (1885) 2:301; Merr. 

 Fl. Manila (1912) 186. 

 Luzon (Cagayan, Manila), Merrill, F. B. 18597 Alvarez. A native of 

 tropical America, introduced in the Philippines and cultivated only. 



ARISTOLOCHIA FOVEOLATA Merr. in Philip. Journ. Sci. 13 (1918) 

 Bot. 280. 

 Catanduanes, B. S. 30870 Ramos. In damp forests along small streams 

 at low altitudes. Endemic. 



ARISTOLOCHIA HUM I LIS Merr. in Philip. Journ. Sci. 13 (1918) Bot. 9. 



Luzon (Tayabas, east coast), B. S. 19423 Ramos, 28838, 28480 Ramos & 

 Edano. In damp forests along streams at low altitudes. Endemic. 

 Local name: Tangotong-gubat (Tag.). 



ARISTOLOCHIA LEYTENSIS Merr. in Philip. Journ. Sci. 10 (1915) 

 Bot. 4. ' 



Leyte, Samar, B. S. 15201, 24558 Ramos, Wenzel 376. In thickets and 

 forests near streams at low altitudes. Endemic. 

 Local name: Maraburakan (S. L. Bis.). 



ARISTOLOCHIA M ACGREGORII Merr. in Philip. Journ. Sci. 5 (1910) 

 Bot. 174. 



Babuyan Islands (Dalupiri), B. S. 10656 McGregor. Endemic. 



ARISTOLOCHIA M EM BRANACEA Merr. in Philip. Journ., Sci. 14 (1919) 

 381. 

 Luzon (Ilocos Norte), B. S. 33338 Ramos. On dry slopes, altitude about 

 350 m. Endemic. 



ARISTOLOCHIA MINDANAENSIS Warb. in Perk Frag. Fl. Philip. (1905) 

 169. 



Mindanao, Warburg 14772, Williams 2692, Weber 1074. In open 

 forests at low altitudes; very closely allied to Aristolochia tagala Cham. 

 Endemic. 



ARISTOLOCHIA PHILIPPIN ENSIS Warb. in Perk. Frag. Fl. Philip. (1905) 

 170. 



Luzon (Cagayan, Isabela, Ilocos Norte, Ifugao, Benguet, Pangasinan, 

 Zambales, Rizal, Tayabas, Laguna, Sorsogon), Palawan, Bancalan, Negros. 

 In thickets at low and medium altitudes, ascending to about 900 m in 

 Benguet. Endemic. 



Local name: Barubo (Neg.). 



