Cyperus difformis
Content
Description
Annual with fibrous, reddish roots.
Leaves flaccid, slightly canaliculate, rather abruptly acuminate, smooth or somewhat scaberulous on the margins at the top, 2-5 mm wide;
Inflorescence simple or compound, usually rather lax, 1½-5(-7) cm across.
Stamens (1-)2;
Distribution
Alor present, Asia-Tropical: Borneo absent; India present; Jawa (Jawa present); Lesser Sunda Is. (Bali present); Malaya (Peninsular Malaysia present); Maluku (Maluku absent); New Guinea present; Philippines (Philippines present); Sulawesi (Sulawesi present); Sumatera (Sumatera present), Australasia, Farther India present, Japan present, Lesser Sunda Is present, Pacific Islands present, S. Africa present, S. Europe present, Southern America, Tanimbar Is present, Timor present, Tropical and warm temperate regions of the Old World present
Tropical and warm temperate regions of the Old World; Australia; in Central America) presumably introduced; from S. Europe to Japan, S. Africa, and through India and Farther India to r the Pacific Islands; in Malesia: rare in the Malay Peninsula and Sumatra, common throughout Java, not known from Borneo and the Moluccas, only a few times collected in the Lesser Sunda Is. (Bali,; Timor, Alor, Tanimbar Is.), Celebes, and New Guinea; throughout the Philippines.
Citation
Clarke 1884 – In: J. Linn. Soc. Bot.: 133
BACK. 1949 – In: Bekn. Fl. Java, (em. ed.): fam. 246, p. 29
LINNÉ 1762: Sp. Pl., ed. 2: 67
KERN 1968 – In: Back. & Bakh.f., Fl. Java 3: 475
VALCK. SUR. 1898: Gesl. Cyp. Mal. Arch: 96: t. 4 f. 15
NAVES 1882: NOV. App.: 303
Miq. 1856 – In: Fl. Ind. Bat.: 269
BOECK. 1868 – In: Linnaea: 586
Ridl. 1925 – In: Fl. Mal. Pen.: 142
Miq. 1856 – In: Fl. Ind. Bat.: 271
Benth. 1878 – In: Fl. Austr.: 268
CAMUS 1912: p. 49. – In: Fl. Gén. I.-C.: f. 5, 1-2
BACK. 1928: Onkr. Suiker: 133: t. 129
LINNÉ 1922 – In: Exk. Fl. Java: f. 212
LINNÉ 1893 – In: Fl. Br. Ind.: 599
KÜK. 1936: p. 237. – In: Pfl. R.: f. 27 F-H
F.-VILL. & NAVES 1880 – In: Blanco, Fl. Filip., ed. 3, 4: 8
LINNÉ 1760 – In: Amoen.: 302
Koord. 1911 – In: Exk. Fl. Java: 189
Merr. 1923 – In: En. Philip.: 104
Clarke 1907 – In: Philip. J. Sc.: Bot. 82