532 XLV. ANACARDiACE^. [Swintofiia. 



7. SWINTONIA, Griff. 



Glabrous trees. Leaves alternate, long-petioled. Panicles in 

 terminal axils, large and wide. Flowers small bi- or uni-sexual. 

 Calyx small, lobes 5, rounded, imbricate. Petals 5 white, adnate 

 to disc, linear-oblong, imbricate. Stamens 5 on top of disc. Ovary 

 sessile, ovoid, i-celled ; style slender. Stigma capitellate. Drupe 

 ovoid smooth, coriaceous, winged with the greenish enlarged 

 linear-oblong 9 reflexed petals. Species 4 or 5, Malay Peninsula 

 and Sumatra. 



Bracts in flower-buds large imbricate. 



Flowers -2 in. wide . . . . . . (i) S. spicifera 



Bracts small. 



Flowers -5 in. wide, puberulous . . . . (2) S. puberula 



Flowers "25 in. wide; wings of fruit shorter than 



drupe . . . . (3) S. Robinsonii 



Flowers very small "12 in. wide, panicle lax; wings 



of fruit I in. long (4) S. penangiana 



Flowers under -12 in. wide; wings of fruit 2 in. 



long ; leaves thin . . . . . . (5) S. Schwenkii 



Flowers under •12 in. wide; leaves stiff coriaceous . (6) S. luiida 



(i) S. spicifera Hook. fil. F.B.I, ii. 27 ; King, I.e. 490. 



A big tree 30 to 100 ft. tall. Leaves thickly coriaceous, elliptic- 

 lanceolate or oblanceolate acute or blunt, smooth, pale beneath; 

 nerves 13 to 20 pairs, prominent beneath, 3-25 to 4-5 in. long, 

 i"5 to 175 in. wide; petioles '6 to i'25 in. long. Panicles crowded 

 at tips of branches, rather stout peduncled; branches articulate 

 trichotomous, puberulous. Flowers '2 in. long, white. Bracteoles 

 ovate, puberulous. Calyx fleshy, tubular, 5-lobed, puberulous. 

 Petals twice as long, obovate-oblong. Stamens shorter. Drupe 

 ovoid or oblong, green, 75 in. long; wings 2*5 in. long, '4 in. wide. 

 Hub. Forests on hills. Malacca, Gunong Mering, Mt. Ophir; 

 Ayer Panas. Perak, Larut Hills 500 to 1000 ft. altitude (Kunstler). 

 Negri Sembilan, Bukit Kayu Arang (Burkill). Kedah, Pulau 

 Song-Song. Penang, Government Hill 1000 ft. altitude (Curtis). 

 Native name : Mupus. 



(2) S. puberula Pearson, Kew Bulletin 1906, p. 3. 



A very lofty tree. Leaves sub-coriaceous, elliptic-lanceolate 

 acuminate blunt, base cuneate; nerves slender 12 to 20 pairs, 

 2 to 6 in. long, i"5 in. wide; petioles slender i'5 in. long. Panicles 

 6 in. long, rather stout, spreading, puberulous. Flowers white 

 •3 in. across. Calyx obconic. Petals oblong-ovate, puberulous 

 on both sides. Stamens as long. Hab. Forests on the top of a 

 mountain, rare. Perak, top of Bujong Malacca (Ridley). 



(3) S. Robinsonii Ridl. Journ. Roy. As. Soc. S. Br. 54, p. 37. 

 Tree. Leaves stiffly coriaceous lanceolate, narrowed slightly 



at both ends ; nerves about 15 pairs, 6 in. long, 2 to 2*25 in. wide ; 

 petioles 1*5 in. long. Panicles 3 in. long in flower, 6 in. long in 



