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All Journal REINWARDTIA BERITA BIOLOGI
SOEJATMI SOENARKO, SOEJATMI
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education

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A NEW SPECIES OF CYMBOPOGON SPRENG. (GRAMINEAE) FROM BURMA SOENARKO, SOEJATMI
REINWARDTIA Vol 9, No 2 (1975): vol.9 no.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (350.054 KB) | DOI: 10.14203/reinwardtia.v9i2.908

Abstract

An illustrated description of the new species Cymbopogon mandalaiaensis S. Soenarko is presented and it is compared with the closely related species C. nervatus (Hochst.) Chiov. and C. clandestinus (Steud.) Stapf.
THE GENUS CYMBOPOGON SPRENGEL (GRAMINEAE) SOENARKO, SOEJATMI
REINWARDTIA Vol 9, No 3 (1977): vol.9 no.3
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (3638.753 KB) | DOI: 10.14203/reinwardtia.v9i3.914

Abstract

Morphological, anatomical, geographical and ecological data were utilized in a systematic study of the grass- genus Cymbopogon. The genus is largely confined to the Old World tropics and subtropics; C. densiflorus has become naturalized in the New World (Brazil) and C. refractus in the Pacific Islands. A taxonomicaccount is presented in which 55 species are recognized and placed in 5 series which have definite geographical distribution: ser. Cymbopogon (from West Africa to India), ser. Rusae (from Africa to Indo-China), ser. Citrati (Africa, Asia and Australia), ser. Proceri (Australia) and ser. Refracti (Australia). Ser. Proceri and ser. Refracti are described for the first time, as is C. goeringii var. hongkongensis. In this study three new combinations are proposed, one species is excluded from Cymbopogon, while two species and four varieties are considered of uncertain status because type material was not available. One natural hybrid between C. bombycinus and C. ambiguus is recognized. Full descriptions of species and key to the series and species are given. Two new chromosome counts of C. procerus and C. bombycinus were reported so that data are now available for 22 species, which are all on the polyploid series 2n = 20, 40, 60.
RUMPUT2 DIPULAU PEUTJANG (UDJUNG KULON) Soenarko, Soejatmi
BERITA BIOLOGI Vol 1, No 3 (1971)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (226.43 KB) | DOI: 10.14203/beritabiologi.v1i3.1439

Abstract

Penelitian vegetasi dan ekologi P. Peutjang telah dilakukan sedjak tahun 1958 dan beberapa karangan ilmiah telah diterbitkan mengenai ini (Kartawinata,1963; Surianegara, 1969).Dalam karangan2 itu hanja satu djenis rumput sadja jang disebutkan, ialah Ischaemum muticum. Dibawah ini disadjikan tjatatan djenis2 rumput jang tumbuh di P. Peutjang, berdasarkan koleksi jang ada
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