A flora of Manila - Rainforestation

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A FLORA OF MANILA
56. HERNANDIACEAE (Hernandia Family)
Trees, shrubs, or woody vines, with alternate, entire, simple or 3-foliolate,
exstipulate leaves. Inflorescence cymose or paniculate, axillary or terminal,
flowers regular, perfect, or through abortion monoecious, the perianthsegments
3 to 10, valvate, in two series, or the corolla wanting. Stamens
few, inserted in a single row, the filaments with glands or staminodes at
their base; anthers introrse, 2-celled, opening by recurved valves. Ovary
inferior, 1-celled, with a single pendulous ovule. Fruit various, inde-
hiscent, sometimes winged.
Genera 4, species 27, in all tropical countries, 3 genera and 4 species in
the Philippines.
1. ILLIGERA Blume
Climbing shrubs with alternate, 3-foliolate leaves, the leaflets entire.
Inflorescence axillary, elongated, lax, cymose. Flowers 5-merous, brac-
teolate, the calyx tube shortly constricted above the ovary, the limb 5-lobed.
Petals 5, valvate, oblong, alternate with the calyx-lobes and about as long.
Stamens 5, epigynous, the filaments with a pair of staminodes on each side
near the base. Ovary 1-celled, inferior, 1-ovuled; style simple, filiform;
stigma dilated. Fruit indehiscent, v^dth 2 broad lateral wings, and frequently
with two additional keels or narrow wings. (In honor of J. K. W.
IHiger, a German naturalist.)
Species 13, 1 in Africa, the remaining 12 India to southern China and
Formosa southward to the Malay Peninsula and Archipelago, 2 in the
Philippines.
1. I. luzonensis (Presl) Merr. (/. meyeniana Kth.).
A vine reaching a height of 4 to 5 m, nearly glabrous except the somewhat
pubescent younger parts and infloi-escence. Leaflets broadly ovate,
"somewhat acuminate, base rounded or slightly cordate, 5 to 10 cm long.
Cymes axillary, lax, up to 20 cm in length. Flowers pinkish to purplish-
red, 8 to 10 mm long. Fruits somewhat 4-angled, including the lateral
wings 2 to 3 cm long, 4 to 5 cm wide, the wings rather thin, rounded, the
two additional keels or narrow wings between the broad ones 5 mm wide
or less.
In thickets, Masambong to Diliman, fl. Sept.-Oct. ; widely distributed
in the Philippines. Formosa.
57. PAPAVERACEAE (Poppy Family)
Annual herbs with yellow juice. Leaves alternate, sessile, sinuate-lobed,
spiny. Flowers large, yellow, perfect, regular. Sepals 2 or 3. Petals 4
to 6. Stamens indefinite. Ovary 1-celled; style short; stigma 4- to 7-lobed;
ovules very many on 4 to 7 parietal placentas. Capsule dehiscing at the
top by short valves; seeds many.
Genera 30, species about 300. Represented in the Philippines by a
single introduced genus and species.
1. ARGEMONE Linnaeus
Characters of the Family as given above. (From a Greek name signifyiag
a desease of the eye, for which the juice of a plant so called was
considered to be a remedy.)
Species 6 in tropical America, 1 now found in many other countries.