Common Trees of Puerto Rico and the Virgin Islands

PART 4. LEAVES OPPOSITE, COMPOUND
A. Leaves pinnate (bipinnate in Jacaranda, page 492).
B. Nodes with rings.
C. Leaflets all paired (even pinnate), 4-10, oljlique or nsymmetrical, not toothed-Caltrop Family (Zygophyllaceae;
Guaiacum) ,
Cc. Leaflets 01 odEPdd2 (odd pinnatE), symmetricnl or nearly 80, toothed.
D. Leaf axis winged; lcaflcts rou~~ded at apcx-Cunonia Family (Cunoninceae; IVeinmpnnia), page 138.
DD. Leaf asis not winged; leaflets pointed at apex.
E. Leaflets 3-7, those at base deeply toothed and often divided into 3 lobes or leaflets-Honeysuckle Family
(Caprifoliaceac; Sambucus) .
EE. Leaflets finely toothed, not lobed.
F. Leaflets 5-11> elliptic or ovate, hairless or nearly so-Bladdernut Family (Staphyleaceac; Turpinia),
page 300.
FF. Leaflets 11-15, lance-shaped, densely hairy-Brunellia Family (Brunelliaceae; Brunellia), page 136.
BB. Nodes without rings.
- G. Leaflets all paired (even pinnate), 2-8-Alatayba, pnge 304.
GG. Leaflets of odd number (odd innate).
H. Leaves with minute gland Jots, aromatic, wit11 citruslike odor when crushed-Atnyri*, page 216.
HH. Leaves yithout gland dots, not aromatic-Bigtlonia Family (Bignoniaceae), page 490.
AA. Leaves digitate (palmate) or with 3 leaflets (trifoliolate).
I. Leaflets with minute land dots, aromatic, with citruslike odor when crushed-Amyris, page 216.
11. Leaflets without dots, not aromatic.
J. Flowers with short corolla tube; fruit a drupe-lrilez, pnge 480.
JJ. Flowers with long corolla tube; fruit a long narrow capsule with many winged seeds-Tabebuia, page 496.