SAPINDACEAE | 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 
regular, polygamous, the sepals 4 or 5, concave, imbricate. Petals 5 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 15, Malay Peninsula and Archipelago, 2 in the Philippines. 
1. O. fruticosa Blume. Balinaunau (Tag.). 
An erect glabrous shrub 2 to 4 m high. Leaves 20 to 50 cm long, the 
leaflets oblong to oblong-lanceolate, acute or acuminate, entire, 8 to 25 em 
long, the basal 2 ovate to orbicular, stipule-like, 1 to 4 cm in diameter. 
Panicles purple, lax, 15 to 40 cm long, the flowers racemosely arranged, 
male and perfect flowers in the same panicle. Flowers dark-purple, about 
7 mm in diameter, the anthers yellow. Fruit red, subglobose to ellipsoid 
or obovoid, 8 to 13 mm long. (FI. Filip. pl. 110, Otolepis nigrescens.) 
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 5-cleft, pubescent, 
lobes imbricate. Petals 5, 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 25 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 15 cm long. Panicles terminal and 
axillary, rusty pubescent, many-flowered, up to 15 cm long. Flowers yellow- 
ish-white, 4 to 5 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 cinerea (Turcz.) Radlk., widely 
known as alupag, is found throughout the Philippines, but does not occur 
in our area. 
111555——20 
