A flora of Manila - Rainforestation

CYPERACEAE 117
In open places especially near the sea, fl. all the year; in maritime dis-
tricts throughout the Philippines. All warm regions.
9. F. barbata (Rottb.) Benth. (Bulbostylis barbata Kunth).
A very slender, densely tufted annual 5 to 25 cm high. Leaves numerous,
filiform, much shorter than the stems, the sheaths with few to many
long white hairs. Spikelets few to many, brownish, about 3 mm long,
crowded in dense, globose, solitary heads 3 to 7 mm in diameter, each head
subtended by usually two filiform leaves, one much longer than the other.
In open, dry grass lands, railroad grades, etc., fl. Aug.-Jan.; throughout
the Philippines. Warmer parts of the world.
10. F. miliacea (L.) Vahl.
A tufted, slender, glabrous, rather flaccid annual 40 to 60 cm high,
the leaves basal, distichous, up to 40 cm in length. Umbels decompound,
rather lax and diffuse, 6 to 10 cm long. Spikelets small, obtuse, globose,
2 to 2.5 mm long, pale or brown, mostly slenderly pedicelled, some sessile.
Nuts obovoid, 0.5 mm long. Style 3-fid.
In open wet grass lands, old rice fields etc., common, fl. throughout the
year; widely distributed in the Philippines. All warm countries.
11. F. monostachya (L.) Hassk.
A tufted glabrous plant, the stems slender, leafy at the base, 10 to 40
cm high. Leaves usually as long as the stem, filiform. Spikelet terminal,
usually solitary, ovoid, 5 to 10 mm long or more, the lower glumes dis-
tichous, the upper ones spiral, ovate, acuminate, 4 mm long, the keel
green, the sides shining, straw-colored. Nut obovoid, pale, 2 mm long,
tuberculate.
In open grass lands, San Pedro Macati, fl. July-Sept. ; widely distributed
in the Philippines. All warm regions.
9. SCIRPUS Linnaeus
Tufted or scattered, glabrous. Stems slender or coarse, 3-angled or
terete. Spikelets many-flowered, in terminal corymbs or in lateral heads,
the latter sometimes reduced to single spikelets. Hypogynous bristles
present or wanting. Style 2- or 3-fid. Nut 3-angled or plano-convex.
(Latin name for the rush.)
Species about 125 in all parts of the world, about 8 in the Philippines.
1. Inflorescence a terminal corymb; coarse plants 1.5 to 2 m high with
3-angled stems 1. S. grossus
1. Inflorescence lateral, capitate or reduced to few or 1 spikelets.
2. Stems 3-angled 2. S. mucronatus
2. Stems terete.
3. Heads of the lower part of the stems 3. S. articulatus
3. Heads on the upper part of the stems.
4, Hypogynous bristles none 4. S. supimis
4. Hypogynous bristles present 5. S. erectus
1. S. grossus L. f.
A very coarse, erect, glabrous perennial, the stems triangular 1.5 to
2 m high, the leaves basal, often half as long as the stem, 1 to 2 cm wide,
the leaf-like bracts subtending the inflorescence, spreading, broad, 30 to 60
cm long. Inflorescence corymbose, 10 to 18 cm long. Spikelets very numerous,
brown, ovoid, 5 to 8 mm long.