XXIV. STERCULIACEA5, 
267 
Sterculia.] 
tube many, or rarely few free; anthers in heads, or a single ring 
on the top of the column, or along the edge of a cup or tube; anther- 
cells 2. Ovaries 2 to 5, free, rarely 1; ovules many or few attached 
to inner angles of ovaries; styles as many as ovaries, free or nearly 
so. Fruit capsular or dry indehiscent. Tropics and subtropics 
generally. Species 500 or more. 
i. SterculiejE. Trees often large; flowers unisexual; petals none 
stamen-column with anthers on the apex, clustered or in a ring. 
Calyx small, lobes tailed; follicles coriaceous, 
red; seeds 2 or more, black pendulous on 
edges . . . . . . .1. Sterculia 
Calyx small, lobes lanceolate; follicles very large 
membranous, green, 1 seed at base of each . 2. Scaphium 
Calyx campanulate; follicles membranous, open¬ 
ing before ripe; seeds 2 in each . . 3. Pterocymbium 
Calyx long tubular; follicles membranous . 4. Erythropsis 
Fruit of thick samaras with falcate wings . 5. Tarrietia 
Fruit woody, indehiscent, keeled ... 6. Heritiera 
ii. Helictereje. Shrubs or medium trees; flowers bisexual; petals 
deciduous; stamen column bearing a cup edged with anthers and staminodes, 
5 to 15. 
Shrub; flowers pink, capsule membranous in¬ 
flated ....... 7. Kleinhovia 
Shrub; flowers purple or white; capsule woody 
not inflated; seed not winged . . 8. Helicteres 
Trees; flowers large, white; capsule woody, 
large; seed winged ..... 9. Pterospermum 
iii. Dombeye/e. Flowers bisexual; petals persistent; anthers 10 to 20 
on the tip of a cup on the column. 
Herb; petals red ...... 10. Pentapetes 
iv. Hermannie/e. Flowers bisexual; stamens 5 ; staminodes o. 
Shrubby herb or shrub; capsule 5-celled; flowers 
pinkish . . . . , . .11. Melochia 
Shrubby; flowers yellow; capsule 1 -celled, 
1-seeded . . . . . . .12. Waltheria 
v. Byttneri/E. Petals clawed; filaments in a tube with anthers at top. 
Stamens 1 row in groups between staminodes; 
petals clawed; shrub; capsule large bristly 13. Abkoma 
S tamens in 1 row, solitary between staminodes; 
petals clawed with 2 lateral lobes and a long 
appendage; climbers . . . 14. Byttneria 
vi. LEPTONYCHiiE. Petals not clawed. 
Petals linear, simple; stamens 5; staminodes 5 ; 
tree; capsule bristly .... 
Stamens in several series; capsule not bristly; 
tree ....... 
Stamens In 1 circle, 6, connate in a cup at base 
Stamens in a funnel-shaped tube; anthers 5 . 
15. COMMERSONIA 
16. Leptonychia 
17. Leptonychiopsis 
18. Peniculifera 
1 . STERCULIA, Linn. 
Trees or shrubs. Leaves entire or lobed or digitate-compound. 
Inflorescence panicled or racemose, axillary. Flowers male with 
few bisexual or female. Calyx tubular, lobes acuminate or tailed, 
