A flora of Manila - Rainforestation

432 -^ FLOR-A. OF MANILA
1. RHYNCHOGLOSSUM Blume
Succulent herbs, slightly pubescent or nearly glabrous. Leaves alternate,
obliquely elliptic, thin, base verj- unequal-sided, one side broadly rounded
or cordate, the other acute, entire or slightly sinuate. Racemes elongated,
slender, many-flowered. Calyx ovoid or campanulate, 5-lobed. Corolla
blue, the tube cylindric, contracted at the mouth, the limb 2-lipped, the
upper lip short, bifid, the lower longer, 3-lobed. Stamens 2, perfect, included;
anthers connivent. Ovary ovoid- Capsule included in the calyx,
ellipsoid, membranaceous, loculicidally 2-valved; seeds small, numerous.
(Greek "beak"' and "throat," from the small upper lip of the corolla.)
Species 3 or 4, India to Malaya, 2 or 3 in the Philippines.
1. R. obliquum Blume.
An erect, branched, annual, slightly pubescent or nearly glabrous,
succulent herb 10 to 60 cm high. Leaves membranaceous, 4 to 15 cm long,
entire, acute or acuminate, the round side of the base extending much
farther along the petiole than the acute side. Racemes slender, erect, 5
to 15 long. Flowers few to many, rather distant. Cah-x green, about
5 mm long. Corolla blue, the tube slightly incurved, about 1 cm long.
On wet cliffs opposite Fort McKinley, rare, fl. Sept.-Dec.; widely distributed
in the Philippines in damp ravines, etc. Malaya, a variety in
India.
128. LEXTIBULARIACEAE (Bladderwort Family)
Annual, terrestrial or aquatic herbs, the leaves whorled, persistent,
pinnately compound, divided into numerous filiform segments, the segments
usually bearing small bladders at their bases, or in the terrestrial species
alternate and disappearing before flowering. Scapes erect, the flowers
racemosely arranged, yellow, purplish, or nearly white. Flowers perfect,
irregular, few. Calyx divided into 2 distinct or nearly distinct sepals, often
enlarged in fruit. Corolla 2-lipped, base spurred, the upper lip entire or
2-lobed, the lower larger, often 3- to 5-lobed. Stamens 2, inserted on the
base of the corolla. Ovary superior, 1-celled, many-ovuled. Fruit a small
2- or 4-valved capsule.
Genera 5, species about 250, in all parts of the world, a single genus
with about 10 species in the Philippines.
1. UTRICULARiA Linnaeus
Characters of the Family as given above. (From the Latin "little
bladder" in allusion to the bladder-bearing leaves.)
1. Aquatic; leaves whorled, persistent, pinnately divided into very num-
erous filiform segments — 1. U. flexuosa
1. Terrestrial slender plants, leaflets at time of flowering,
2. Erect
3. Flowers yellow _ _ _ _ 2. U. bifida
3. Flowers blue -—
3. U. nivea
2. Twining :. - 4. U. tenerrima
1. U. flexuosa Vahl (C. calumpitensis Blanco). Inata (Tag.).
A submerged plant in fresh water, the stems floating, branched, much
elongated- Leaves whorled, 4 to 7 cm long, pinnately compound, divided
into very numerous filiform segments, some or most of the segments with
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