Nauclea.'] 
LXXIV, RUBIACE^E. 
9 
4 . NAUCLEA, Linn. 
Trees or shrubs. Leaves coriaceous. Stipules large. Flowers 
sessile in i- or 3-peduncled heads; peduncles thickened at top, 
with large (caducous) bracts. Flowers mixed with bracteoles of 
thin stalks and conical hairy heads, or not. Calyx-tubes free, 
lobes 5, filiform or spathulate thickened at tip, hairy. Corolla 
funnel-shaped, lobes 5, throat glabrous. Stamens 5; anthers 
oblong or linear included. Stigma sub-globose. Ovary 2-celled. 
Fruit of 2 cocci dehiscent. Seed flat, winged, wing bifid at one 
end, acute at the other. Species 30, chiefly Indo-Malayan. 
Corolla lobes glandular, puberulous. 
Peduncle bracts minute . . . . (1) N. synkorynes 
Corolla lobes glabrous. 
Head enveloped in 2 large bracts . . . (2) N. purpurascens 
Bracts near base of peduncle, small terete . . (3) N. peduncularis 
(1) N. synkorynes Korth. Verh. Nat. Gesch. Bot. 160; King, 
l.c. 124. 
Tree 30 to 40 ft. tall. Leaves thinly coriaceous, oblong-ovate 
abruptly acuminate, base cuneate, glabrous; nerves 7 to 8 pairs, 
prominent beneath; 3-5 to 5 in. long, 1-5 to 2-5 in. wide; petioles 
•25 to -4 in. long. Peduncles 2 to 3 together, erect, 1*5 to 2-5 in. 
long. Heads 1 in. through. Bracts minute. Calyx-tube short, 
hairy. Corolla lobes glandular, pubescent outside. Capsules cunei¬ 
form, tip villous. Hab. Perak (Kunstler). Distrib. Malay islands. 
I have not seen this specimen. 
(2) N. purpurascens Korth. Verh. Nat. Gesch. Bot. 158. 
Tree about 30 ft. tall. Leaves thinly coriaceous, elliptic to 
oblanceolate, acute, base narrowed, glabrous; nerves 7 to 9 pairs, 
prominent beneath; 4-5 to 8 in. long, 1-75 to 3 in. wide; petioles 
'35 to *75 in. long. Stipules ovate acute, 75 in. long. Heads 
175 in. through, on peduncles 1-5 to 3 in. long, yellovrish white, 
solitary or in threes with 2 large boat-shaped bracts at base. Calyx- 
lobes linear, hairy. Fruit villous at top. Hab. Woods and river- 
banks; not common. Singapore, Chan Chu Kang; Bukit Timah 
road. Pahang, Tahan woods. Selangor, Rawang. Distrib. Malay 
islands. Native name: Munkal. 
( 3 ) N. peduncularis Don, Syst. iii. 469; King, l.c. 125. 
Tree 40 to 60 ft. tall. Leaves coriaceous, elliptic sub-acute, 
base cuneate or round, glabrous; nerves 9 to 11 pairs, strongly 
elevate beneath; 5 to 9 in. long, 2-5 to 4 in. wide; petioles *4 to 
•6 in. long. Heads globose-ovoid, 1*5 in. through, in threes on 
thick peduncles about 1 in. long. Bracts at base small, deciduous. 
Calyx silky, lobes 5 or 6, ovate. Anthers with a broad mem¬ 
branous point. Fruit cuneiform, slightly hairy. Hab. Dense 
rocky jungle. Perak, Larut (Kunstler). Penang Hill (Porter); 
road to Sungei Penang (Curtis); Waterfall. Distrib. Borneo, 
Siam. 
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