SAPINDACEAB 305 



In dry thickets La Loma to Fort McKinley, fl. June-July; widely dis- 

 tributed in Luzon and Mindoro. Endemic. 



3. OTOPHORA Blume 



Erect shrubs or trees with alternate pinnate leaves, the basal leaflets 

 stipule-like. Inflorescence axillary and terminal, paniculate, the flowers 

 reg^ular, polygamous, the sepals 4 or 5, concave, imbricate. Petals 6 or 4, 

 smaller than the sepals, subauriculate at the base. Disk complete, annulate, 

 crenate or entire. Stamens usually 8, sometimes fewer, inserted within 

 the disk. Ovary 2- to 4-celled; ovules 1 in each cell; stigma sessile. Fruit 

 fleshy, 1- to 4-celled, indehiscent, the seeds arillate. (Greek "ear" and "to 

 bear," allusion to the two lower stipule-like leaflets.) 



Species about 16, Malay Peninsula and Archipelago, 2 in the Philippines. 



1. O. fruticosa Blume. Balinaunau (T^g.). 



An erect glabrous shrub 2 to 4 m high. Leaves 20 to 60 cm long, the 

 leaflets oblong to oblong-lanceolate, acute or acuminate, entire, 8 to 26 cm 

 long, the basal 2 ovate to orbicular, stipule-like, 1 to 4 cm in diameter. 

 Panicles purple, lax, 16 to 40 cm long, the flowers racemosely arranged, 

 male and perfect flowers in the same panicle. Flowers dark-purple, about 

 7. mm in dinmeter, the anthers yellow. Fruit red, subglobose to ellipsoid 

 or obovoid, 8 -to 13 mm long. (Fl. Filip. pi 110, Otolepia nigreseens.) 



In thickets, Singalon, Pasay, etc., occasional, fl. Dec.-Feb.; widely 

 distributed in the Philippines. Malaya. 



4. EUPHORIA Commerson 



Trees with alternate, exstipulate, simply pinnate leaves, the leaflets 

 entire, usually glaucous beneath. Inflorescence terminal and axillary, pan- 

 iculate. Flowers regular, polygamous. Calyx deeply 6-cleft, pubescent, 

 lobes imbricate. Petals 6, spatulate to lanceolate, hairy within. Disk pub- 

 escent. Stamens usually 8, about as long as the petals, inserted within 

 the disk. Ovary 2-, rarely 3-lobed, 2- or 3-celled, verrucose; ovules solitary; 

 style 2- or 3-lobed, erect. Fruit ellipsoid to globose, of a single indehiscent 

 coccus, verrucose or echinate, the pericarp crustaceous. Seed surrounded 

 by a fleshy, usually edible aril. (Greek "well" and "to bear.") 



Species about 6, tropical Asia to Malaya, 3 in the Philippines. 



* 1. E. LONGANA Lam. (Nephelium longana Camb.) . Guin-guin (Tag.) . 



A tree 8 to 12 m high, the young branchlets rusty-pubescent. Leaves 17 

 to 26 cm long; leaflets subopposite, or alternate, 6 to 10, oblong to lan- 

 ceolate, coriaceous, glabrous or nearly so, usually obtuse, base somewhat 

 inequilateral, acute or obtuse, 6 to 16 cm long. Panicles terminal and 

 axillary, rus^ pubescent, many-flowered, up to 15 cm long. Flowers yellow- 

 ish-white, 4 to 6 mm in diameter. Fruit reddish or purple when mature, 

 globose, 1 to 2 cm in diameter, the tubercles rugose or smooth. Aril pulpy, 



edible. 



Rarely cultivated, Malate, opposite San Pedro Macati etc., said to flower 

 very rarely, Feb.-Apr. Extensively cultivated, India to southern China. 



The very common, endemic, Euphoria dnerea (Turcz.) Badlk.^ widely 

 known as alupag, is found throughout the Philippines, but does not occur 

 in our area. 



11166B 20 



