LEAFLETS OF PHILIPPINE BOTANY 



EDITED BY A. D. E. ELMER, A. M. 



Vol. VIII. Manila, P. I., October 22, 1919. Art. 121. 



NEW WOODY PLANTS from MOUNT MAQUILING 



by 

 A. D. E. Elmer 



ANNONACEAE 



Papualthia bakeri Elm. n. sp. 



An erect small tree. Stem 3 dm. thick, numerously 

 branched above the middle; young twigs brownish, sparsely 

 hairy, glabrous and blackish brown when old. Leaves alter- 

 nate, copious, oblong or the smaller ones broadly lanceolate, 

 acute to acuminate, base broadly rounded, the average 

 blades 3 by 10 cm., subsessile or upon very short thick 

 petioles, paler green beneath, submembranous, glabrous 

 except the few hairs on the lower side toward the base; 

 midrib conspicuous, usually strigose, with 7 to 10 very 

 obscure divaricate pairs of nerves which are scarcely more 

 prominent than the reticulations; bud bract and very 

 young leaf yellowish brown hirsute. Flower solitary and 

 terminal, cremeous; pedicel 3 cm. long, slender, brownish, 

 glabrate except toward the few bracteate base, gradually 

 thickened toward the distal end; calyx 8 mm. across, 

 punctate or granular, thick, broadly or triangularly 3- 

 toothed, nearly glabrous; petals united below, the 6 seg- 

 ments in 2 series, 2 cm. long or considerably shorter, 

 equal in size and shape or the inner series somewhat 

 narrower, similar in texture, glabrate except the outer 

 basal portion and along the margins, oblong, obtuse; 

 torus 3 mm. across, subconical, the male portion glabrous: 

 anthers easily falling, 2 mm. long, glabrate, ridged sides 

 with hyaline pollen sacs except at the base and at the 

 thick flat expanded apex, numerous; pistils few in the 

 center, shorter than the stamens, densely yellowish hirsute 



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