i'42 Leaflets of Phii.ippine Botant [Vol. V, Akt, 92 



Unona palawanensis Elm. n. sp. 



Lax shrub; stem subterete, nearly 5 cm. thick, branch- 

 ed from near the base; wood without otlor or taste maple 

 grained, moderately soft, yellowish wliite; bark smooth and 

 gray from the outside, the inner side yellowish, with a green 

 hypoJermis; branchlets not numerous, lax, somewhat droop- 

 ing, smooth and yellowish gray except the young twigs which 

 are densely olivaceus pubescent and yellowish Jentieelled. 

 Leaves alternatingly scattered along the branchlets, diverse 

 in size, subcoriaceous, horizontal or descending when old, the 

 obtuse or acute tips recurved, the entire margins wavy, deep 

 green oa the upper glabrous surface, paler and scantily pu- 

 bescent beneath in the young state, ultimately glabrous, obloiig, 

 rounded at the base, the larger blades 17.5 cm. long by 6 

 cm. wide across the middle; midvein very conspicuous be- 

 neath and pubescent, glabrous above; lateral nerves 7 to 9 

 pairs, ascending, tips anastomosing, the smaller ones also 

 finely pubescent, reticulations and cross bars coarse and 

 faint; jjetiole 5 to 8 mm. long, stout, densely covered with 

 soft olivaceus hairs. Flowers odorless, solitary from the leaf 

 axil, pendant; pedicel quite stout, terete, 7.5 mm. long, sim- 

 ilarly pubescent; calyx ciliate, broadly ovate, the 3 segments 

 4 mm. broad at the base, 3 mm. long, more or less united at 

 the base and glabrous on the upper side; corolla segments 

 8, equal, easily falling, leathery, ovately oblong, 1 cm. long, 

 6 mm. wide across the middle or below it, obtuse at apex, 

 the outher 3 pubescent on both sides, the inner 3 glabrous 

 on the upper side below the middle and also somewhat 

 constricted toward the base; receptacle more or less hairy; 

 anthers many, easily separating, compressed, cnneate, sessile 

 or frequently very short stipitate, connective ridged on the 

 ventral side toward the apex, plaited at the top, pollen sacs 

 on the dorsal lateral side, 2 mm. long; pistils constiguous 

 forming a subglobose apical mass, the stylar portion densely 

 hairy; fruit terete, stipitate, olivaceus pubescent, dark green, 

 short and ellipsoid, or longer and irregularly constricted, 2 cm. 

 long, 1 cm. thick. 



Type specimen number 13125, A. D. E. Elmer, Puerto 

 Princesa (Mt. Pulgar), Palawan, April, 1911. 



