Cyathostemma.] 
VI. ANONACEjE. 
27 
4 . CYATHOSTEMMA. 
Big lianes. Flowers in di- or tri-chotomous cymes from the 
old wood, sub-globose, small. Sepals 3, connate, hirsute. Petals 6, 
in 2 whorls, sub-equal, bases fleshy, valvate, tips imbricate. Torus 
flat, edge convex. Stamens many short linear; anthers connec¬ 
tive oblique, incurved. Ovaries many; style cylindric glabrous; 
ovules many. Carpels oblong-ovoid, many-seeded. Species about 
6, Malayan. 
Flowers all hermaphrodite. 
Flowers in elongate cymes from trunk . . . {1) C. viridiflorum 
Flowers fascicled 10 to 14, or in axillary pairs; 
midrib pubescent . . . . (2) C. Wrayi 
Flowers 2 to 3 fascicled extra-axillary; midrib 
glabrous.( 3 ) C. Hookeri 
Flowers dimorphous, some female . . . . (4) C. acuminatum 
(1) C. viridiflorum Griff. Notulce iv. 707, 7 c. PI. 4, t. 650; 
Hook. fil. F.B.I. i. 57; King, Journ. /Is. Soc. Beng. l.c. 8; Ann. 
Bot. Gard. Calc. pi. 37. 
A big woody liane 80 ft. or more long with black bark. Leaves 
coriaceous obovate-elliptic or oblong, base rounded minutely 
cordate, dull green glabrous; nerves 8 to 11 pairs; 6 to 10 in. 
long, 2*5 to 4 in. wide; petioles -25 in. long. Cymes branched 2 to 
4 in. long from the lower part of the liane, tomentose. Flowers 
•5 in. across, few. Sepals rounded connate for most of their 
length tomentose. Petals ovate sub-acute puberulous coriaceous, 
never expanding, base green, tips orange. Stamens cinnamon 
brown, appendages obliquely truncate. Ovaries numerous, pubes¬ 
cent. Carpels orange, oblong obtuse, 1-25 to 1-5 in. long, stalk as 
long or shorter. Seed 8 to 10, smooth, ovoid. Hab. Low country 
to 500 ft. altitude. Common in woods, Singapore, Garden Jungle; 
Bukit Timah. Johor; Malacca (Maingay). 
var. Scortcchinii. C. Scortechinii King, Journ. As. Soc. Beng. 
l.c. 9. Calyx a little less deeply cut. Fruit on shorter stalks. Hab. 
Perak, at Goping (Kunstler). Native name : Akar Mupisang. 
(2) C. Wrayi King, Journ. As. Soc. Beng. l.c. 9; Ann. Bot. 
Gard. Calc. l.c. 12, pi. 39. 
A liane 20 to 60 ft. long; young branches pubescent. Leaves 
membranous broadly oblanceolate shortly obtusely acuminate, 
narrowed towards base, glabrous on both sides except the midrib; 
nerves 8 to 10 pairs, inarching twice within the margin ; 7 to 9 in. 
long, 2*5 to 3 in. wide; petioles *2 in. long. Flowers in fascicles 
of 10 to 14 on tubercles on the old wood, or in axillary pairs -5 in. 
across, waxy muddy yellow; pedicels *25 to *4 in. long, pubescent. 
Sepals broadly ovate spreading rufous-puberulous outside, -i in. 
long. Petals concave, outer whorl ovate-orbicular acute; inner 
smaller, blunter and more imbricate. Stamens numerous, appen¬ 
dages truncate, 4- to 5-sided, covering the anthers. Ovaries 
3A 
