Cyperus elatus
Content
Description
Perennial with very short rhizome.
Leaves flat or often somewhat plicate with the midrib prominent beneath and 2 lateral nerves strongly marked above, scabrous on the margins, bright green above, pale green beneath, 4-10(-15)mm wide;
Inflorescence compound or decompound, up to 30 cm across.
Stamens 3;
Distribution
Asia-Tropical: Borneo present; India present; Jawa (Jawa present); Malaya (Peninsular Malaysia present); Maluku (Maluku absent); New Guinea absent; Philippines (Philippines present); Sulawesi (Sulawesi present); Sumatera (Sumatera present), Biliran present, Farther India present, Lesser Sunda Is present, Leyte present, Luzon present, Sumba present, Ticao present, Timor present
From India and Farther India to Malesia: rather common in Sumatra, the Malay Peninsula, and Java; but a few times collected in the Lesser Sunda Is. (Sumba, Timor), Borneo, and Celebes; rare in the Philippines (Luzon, Biliran, Leyte, Ticao). Apparently not reaching the Moluccas and New Guinea.
Citation
BOECK. 1870 – In: Linnaea: 310
WINKL. 1923 – In: Bot. Jahrb.: 523
LINNÉ 1922 – In: Exk. Fl. Java: f. 225
Ridl. 1925 – In: Fl. Mal. Pen.: 147
Clarke 1884 – In: J. Linn. Soc. Bot.: 189
STEUD. 1855 – In: Syn.: 52
NAVES 1882: NOV. App.: 303
Miq. 1856 – In: De Vriese, Pl. Ind. Bat. Or.: 140
KUK. 1935 – In: Pfl. R.: 59
Koord. 1911 – In: Exk. Fl. Java: 191
STEUD. 1856 – In: Fl. Ind. Bat.: 285
KUNTH 1837 – In: En.: 100
LINNÉ 1762: Sp. Pl., ed. 2: 67
STEUD. 1855 – In: Syn.: 49
Miq. 1856 – In: Fl. Ind. Bat.: 279
CAMUS 1912 – In: Fl. Gén. I.-C.: 70
Ridl. 1925 – In: Fl. Mal. Pen.: 148
BACK. 1949 – In: Bekn. Fl. Java, (em. ed.): fam. 246, p. 38
KERN 1968 – In: Back. & Bakh.f., Fl. Java 3: 479
VALCK. SUR. 1898: Gesl. Cyp. Mal. Arch: 135: t. 4 f. 36
DECNE 1835: Descr. Herb. Timor.: 31
NEES 1834 – In: Wight, Contr.: 85
Miq. 1856 – In: Fl. Ind. Bat.: 278
LINNÉ 1893 – In: Fl. Br. Ind.: 618
Merr. 1923 – In: En. Philip.: 105
Merr. 1921: En. Born.: 105
Ridl. 1907 – In: Mat. Fl. Mal. Pen. (Monoc.): 71
BACK. 1928: Onkr. Suiker: 140: t. 138
Clarke 1907 – In: Philip. J. Sc.: Bot. 86