Scleria rugosa
Content
Description
Annual.
Leaves rather abruptly narrowed to the obtusish tip, from glabrous to densely pubescent with pale, patent hairs, smooth, 2-4 mm wide;
Inflorescence narrow, elongate, consisting of a terminal (but pseudo-lateral) panicle and 1-2 lateral, remote fascicles of panicles not markedly different from the terminal one;
Distribution
Ambon present, Asia-Tropical: Borneo present; India present; Malaya (Peninsular Malaysia present); Maluku (Maluku present); New Guinea present; Philippines (Philippines present), Ceylon present, Japan present, Luzon present, Madura present, N. and NE. Australia present, New Caledonia present, Papua present, S. China present, Solomon Is present, Southern America: Argentina Northeast (Formosa present), Tanimbar present, W. Carolines present, W. Java present
Ceylon and India to S. China, Formosa, Japan, N. and NE. Australia, W. Carolines, Solomon Is., and New Caledonia; in Malesia: Malay Peninsula, W. Java, Madura, Kangean, Borneo, Philippines (Luzon), Moluccas (Ambon and Tanimbar), and New Guinea (Papua).
Notes
A very variable species. The plants may be almost glabrous or softly pilose all over, the nuts smooth or tuberculate-ruguose, the leaf-sheaths wingless or broadly winged, but I cannot find any correlation in these characters.
Citation
Clarke 1909: Ill. Cyp.: f. 3-5
UITTIEN 1949 – In: Backer, Bekn. Fl. Java, (em. ed.), 10: fam. 246, p. 55
Clarke 1898 – In: J. Linn. Soc. Bot.: 98
Ridl. 1907 – In: Mat. Fl. Mal. Pen. (Monoc.): 110
KERN 1961 – In: Blumea: 206
KUNTH 1837 – In: En.: 358
Clarke 1898 – In: J. Linn. Soc. Bot.: 98
Merr. 1912: Fl. Manila: 120
S. T. BLAKE 1954 – In: J. Arn. Arb.: 226
CAMUS 1912 – In: Fl. Gén. I.-C.: 163
STEUD. 1855 – In: Syn.: 179
Merr. 1921: En. Born.: 67
Clarke 1907 – In: Philip. J. Sc.: Bot. 104
Clarke 1923 – In: En. Philip.: 136
OHWI 1944 – In: Mem. Coll. Sc. Kyoto Imp. Un. B: 9
Ridl. 1925 – In: Fl. Mal. Pen.: 177