228 
XX. DIPTE ROC ARP ACE^E. 
[Shorea. 
not contort. Stamens 20, in 3 rows; filaments linear-oblong 
narrowed above; anthers ellipsoid, hair-like awns with several 
bristles. Ovary conic; stylopodium distinct, all velvety hairy. 
Fruit ovoid-conic silky, *5 in. long; outer wings linear-oblong, red 
pubescent, 2 in. long, *25 to -5 in. wide, base narrowed, dilated 
upwards; nerves 7, nervules transverse conspicuous, inner wings 
1 in. long, *25 in. wide. Hob. Forests. Johor, Penyabong (Fox¬ 
worthy). Pahang, Kwala Rumpin; Baloh, Rumpin (Foxworthy). 
Native name : Balau betul. 
The original plant, called Balau by the Malays, was Parinarium oblongi - 
folium, then abundant on the Rumpin River, as this got scarce from timber¬ 
cutting the name was transferred to the Shorea. The timber is highly valued, 
but inferior to the original Balau. 
(15) S. pauciflora King, l.c. 116; Brandis, Journ. Linn. Soc. 
xxxi. 98. . 
A big tree 90 to 100 ft. tall. Leaves oblong to elliptic acuminate, 
base round or very shortly cuneate, sub-coriaceous; midrib and 
nerves prominent, 9 to 11 pairs, scabrous with stellate hairs (also 
occurring on the young twigs), 4 to 5 in. long, 1*8 to 2*5 in. wide; 
petioles minutely stellate-hairy, 6 to 7 in. long. Panicles about 
4 in. long, pubescent and scurfy. Branches 1 in. long with few 
sessile flowers, secund, very shortly pedicelled and '4 in. long. 
Bracts very small, ovate silky, caducous. Sepals ovate, silky- 
tom entose. Petals *15 in. long, broad elliptic blunt, silky outside, 
yellow. Stamens 15 in 3 rows ; anthers all awned with awns twice 
as long and minutely hairy. Ovary tomentose above, glabrous 
below; stvle much longer. Fruit small globose, wings lmear 
blunt not narrowed below, long ones 3 in. long, *3 in. wide, 8-nerved, 
shorter ones similar 2-5 in. long. Hab. Local in forests, Penang 
Hill at 1500 ft. altitude (Curtis). 
var. Singaporensis Ridl. Leaves smaller, shorter and broader, 
3 to 4 in. long. Singapore, Garden Jungle. Johor, Pinerong 
(Cantley). 
(16) S. Kunstleri King, l.c. 116; Ann. Bot. Gard. Calc. v. (2), 
154, pi. 186. 
Tree 80 to 100 ft. tall. Branchlets pubescent. Leaves cori¬ 
aceous, elliptic, abruptly acuminate, base rounded glabrous ; nerves 
8 pairs, curved, prominent beneath, 4 to 5 in. long, 2 to 2-4 in. 
wide; petioles *5 in. long. Panicles axillary and terminal, 4 to 
6 in. long, scurfy puberulous. Flowers -5 in. long, sub-sessile, 
4 or 5 on the branchlets, secund, muddy brownish yellow with a 
reddish tinge. Sepals ovate acute tomentose. Petals narrow 
linear-oblong, silky outside. Stamens 15; filaments as long as 
anthers; awns curved, much longer. Ovary elongate conic 
puberulous. Fruit hemispheric tapering to a cone, tomentose; 
outer wings membranous reticulate oblong blunt, 9-nerved, 3*5 in. 
