A flora of Manila - Rainforestation

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A FLORA OF MANILA
* 3. A. SQUAMOSA L. Ates (Sp.-Fil.) ; Sugar Apple,
A small tree 3 to 5 m high. Leaves somewhat pubescent when young,
oblong, obtuse, acute, or obscurely acuminate, 8 to 15 cm long; petioles 1
to 1.5 cm long. Flowers axillary, solitary, about 2.5 cm long; pendulous,
pubescent, 3-angled, greenish-white or yellowish. Fruit somewhat heartshaped
or ovoid, large, fleshy, pale or glaucous when mature, edible, 6 to
9 cm long, the outside roughened by the ends of the carpels. (Fl. Filip.
pi 192.)
Commonly cultivated, fl. most of the year; widely distributed in the
Philippines and subspontaneous. A native of tropical America, introduced
in the Philippines at an early date by the Spaniards; now found in most
tropical countries.
4. CANANGIUM Baillon
Trees with rather large leaves, somewhat drooping branches and large
axillary, fascicled flowers. Sepals 3, ovate, valvate. Petals 6, 2-seriate,
subequal, long, flat. Stamens linear, anther-cells approximate, extrorse;
connective produced into a lanceolate, acute process. Ovaries many; ovules
numerous, 2-seriate. Fruit fleshy, cylindric-oblong, stalked; seeds many,
the testa crustaceous, pitted. (From the Malay name of one species.)
Two or three species confined to Malaya, a single one in the Philippines.
1. C. odoratum (Lam.) Baill. (Cananga odorata Hk. f. & Th.), Ilang-
ilang (Tag.).
A medium-sized to rather large tree, the branches somewhat drooping.
Leaves oblong-ovate, apex acuminate, base usually rounded 12 to 20 cm
long, usually slightly pubescent beneath. Flowers very fragrant, greenish,
soon turning yellowish, pendulous, their pedicels 1 to 2,5 cm long, elongated,
in fruit. Sepals ovate, pubescent. Petals somewhat pubescent, lanceolate,
4 to 6 cm long, 0.5 to 1 cm wide. Fruit fleshy, oblong-cylindric, green or
olivaceous, 2 cm long. (Fl. Filip. pi. 221, Cananga odorata.)
Very commonly cultivated in Manila, fl. all the year, the flowers being
distilled in large quantities for the valuable perfume-oil known as ilangilang;
throughout the Philippines, cultivated and indigenous, ascending
to at least 700 m in forests. Ava, Tenasserim, and Java; planted in many
other tropical countries.
5. UNONA Linnaeus
Erect or scandent shrubs or trees. Flowers usually solitary, axillary,
extra-axillary, or leaf-opposed. Sepals 3. Petals 6, 2-seriate, Stamens
cuneate; anther cells linear, extrorse, top of the connective subglobose or
truncate. Ovaries numerous; style ovoid or oblong, recurved, grooved;
ovules usually 5 or 6, 1-seriate. Ripe carpels many, elongated and con-
stricted between the seeds. (Altered from Anona, another genus of the
family.)
Species about 50, tropical Asia and Africa, about 7 known from the
Philippines; one introduced in our area,
* 1. U, CHiNENSis (Lour,) DC, (U. discolor Vahl).
An erect shrub or a small tree. Leaves 8 to 15 cm long, oblong to
oblong-ovate, apex acuminate, base rounded, nearly glabrous, the lower
surface, when dry, somewhat glaucous. Peduncles extra-axillary, about
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