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INDONESIA
REINWARDTIA
Published by Lembaga Ilmu Pengetahuan Indonesia
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Articles 1,467 Documents
 83   84   85   86   87 
HE GENERA BELOTIA Rich. AND TRICHOSPERMUM Bl. (Tiliaceae) A.J.G.H Kostermans
REINWARDTIA Vol 6, No 3 (1962): vol.6 no. 3
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v6i3.223

Abstract

The genus Belotia was founded in 1845 by A. Richard (in R. de la liagra, Hist. Cuba, Bot. 1: 207), based on a single species: B. grewiifolia; liichard added Grewia mexicana DC. (1824) as a synonym.Sprague (in Kew Bull. 1921: 270-278) wrote a monograph on the knus. He characterized Belotia as follows: Presence of nectaries at the Itase of the petals and their absence on the androgynophore; the blue or Inlet, rarely white petals, the bilocular ovary with pluriovulate loculi; the a– culicidal capsule, strongly compressed transversally to the septum and a–ediscoid ciliate seeds. He than adds: "In all these respects Belotia resem-Ihles the Old-World genus Trichospermum, which differs in having a pair of I nectaries at the base of the lamina, and a pseudo- umbellate inflorescence".The differences are consequently very small and since I found that le laminal nectaries occur only occasionally in one species of Tricho-tpermmn (javanicuvi), it becomes debatable, whether the inflorescence character is of such importance as to keep both genera apart.Burret (in Notizbl. bot. Garten Berlin 9: 603. 1927) keys out Belotia against Trichospermum in the following way: Trichospermum with 25-50 ovules,irregularly placed, as against Belotia with 12-16 ovules per locule in two regular rows; inflorescences in the former axillary and bi-or pluri-chasial,in Belotia axillary and terminal panicles.Furthermore he adds: fruit with 2, rarely 3 cells Trichospermum is to the 2-3 celled fruit in Belotia; this- of course -is a differential character of little or no value. Burret does not mention at all the laminal nectaries; according to him (p. 855) the number of ovules and their placentation should be the main differential character.I had at my disposal far more material of Trichospermum than Burret and could examine numerous young fruit,where the number of ovules and their placentation may be easily observed.
Two new species of Daemonorops from Sulawesi Himmah Rustiami
REINWARDTIA Vol 13, No 1 (2009): Vol. 13 No. 1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v13i1.432

Abstract

Daemonorops mogeana Rustiami and Daemonorops takanensis Rustiami are described and illustrated for the first time based on specimens collected from Central Sulawesi and South Sulawesi respectively. An identification key of Daemonorops in Sulawesi is constructed in order to differentiate between those two species and other species of Daemonorops in Sulawesi.
FLORAE MALESIANAE PRAECURSORES XV*THE GENUS GAULTHERIA IN MALAYSIA H. SLEUMER
REINWARDTIA Vol 4, No 2 (1957): vol.4 no.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v4i2.1001

Abstract

In this revision of the Malaysian species of the genus Gaultheria Kalm ex L. 24 species and 9 varieties resp. forms are recognized. Among the new taxa described are 9 species and 1 variety. The localities of the revised material are given in detail. An index to specimens is added.
ECOLOGICAL STUDY OF THE ARROWROOT (Tacca leontopetaloides (L.) Kuntze) AT KARIMUNJAWA NATIONAL PARK, CENTRAL JAVA Laode Alhamd
REINWARDTIA Vol 17, No 2 (2018): Vol.17 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v17i2.3513

Abstract

ALHAMD, L. 2018. Ecological study of the arrowroot (Tacca leontopetaloides (L.) Kuntze) at Karimunjawa National Park, Central Java. Reinwardtia 17(2): 87–96. — An ecological study of arrowroot (Tacca leontopetaloides (L.) Kuntze) at Karimunjawa National Park (Karimunjawa NP), Central Java, was conducted at six islands, namely Kumbang, Nyamuk, Katang, Seruni, Cendikia and Sintok islands. A sampling plot of 10 × 50 m2 was established on each island. The results showed that the arrowroot population in Katang island was greater than those of other islands, with a density of 0.74 m-2, a frequency of 0.8 and an abundance of 23.1. The arrowroot density of all samplings ranged from 137 to 370 per 0.05 ha. The occurrence of 30 species surrounding arrowroot was observed and only five species, Sida acuta (Chi-square count (cs)>Chi-square table cs=5.71, P<0.05) and Scaevola taccada (cs=7.94, P<0.01) in Kumbang island, Imperata cylindrica (cs=18.81, P<0.01) in Nyamuk island, Morinda citrifolia (cs=9.47, P<0.01) in Sintok island, and Carica papaya (cs=3.95, P<0.05) in Cendikia island, had significant associations with arrowroot. For habitat characteristics, soil textures were dominated by sandy types ranging from 90 to 95%, whilst other soil properties such as pH, N, P, K, Mg and CEC did not significantly affect the presence of arrowroot.
CONSERVATION STATUS OF AMORPHOPHALLUS DISCOPHORUS BACKER & ALDERW. (ARACEAE) IN JAVA, INDONESIA Yuzammi Yuzammi
REINWARDTIA Vol 14, No 1 (2014): Vol. 14 No. 1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i1.392

Abstract

Amorphophallus discophorus Backer & Alderw. is one of the Javan endemic aroid species. This species is locally endemic to the slopes of Mount Wilis in Kediri Regency (East Java) at elevations between 600-1300 m. Poorly known species like A. discophorus could easily become extinct if not distinguished from other species, such as A. muelleri, that are used for commercial purposes. The conversion of natural forests for agriculture over the last decade has resulted in a loss of suitable habitat for this species. Several field trips undertaken to locate natural populations of this species have proved unsuccessful. Based on these field exercises, A. discophorus is regarded as presumed extinct in the wild.
THE GENUS ACIOA Aublet (Rosaceae - Chrysobalanoideae) IN MALESIA A. J. G. H. KOSTERMANS
REINWARDTIA Vol 7, No 1 (1965): vol.7 no.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v7i1.966

Abstract

The first record of Aciov, Aublet from S.E. Asia.Three species are described: Acioa heteropetala (Scortechini ex King) Kosterm.,based on Parinarium heteropetalum Scortechini ex King and the new species:Acioa malayana Kosterm. and A. percoriacea Kosterm.Parinwrium kunstleri King and P. myriandrum Merr. are reduced to synonymy of Acioa heteropetala Kosterm.
A NEW SPECIES OF BEGONIA (BEGONIACEAE) FROM SUMBAWA, LESSER SUNDA ISLANDS, INDONESIA DEDEN GIRMANSYAH
REINWARDTIA Vol 15, No 2 (2016): Vol.15 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v15i2.2945

Abstract

GIRMANSYAH, D. 2016. A new species of Begonia (Begoniaceae) from Sumbawa, Lesser Sunda Islands, Indonesia. Reinwardtia 15(2): 115 – 118. — A new species of Begonia L. (Begoniaceae), Begonia semongkatensis Girm., is described from Sumbawa Island, Lesser Sunda Islands, Indonesia. The species belongs to Begonia section Reichenheimia. An illustration, identification key and distribution maps are provided.
THE GENUS MASTIXIA BL. (CORNACEAE) IN CEYLON a. j. g. h. KOSTERMANS
REINWARDTIA Vol 10, No 1 (1982): vol. 10 No.1
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v10i1.256

Abstract

Five species of Mastixia are found in Sri Lanka, of which M. congylos and M. nimalii are here described for the first time, whereas M. tetrandra var. thwaitesii is raised to specific rank as M. montana. M. arborea does not occur in Sri Lanka. A key to the species is presented and the specimens examined are enumerated.
TWO NEW SPECIES OF SPHAERULINA FROM INDIA ALAKA PANDE; V.G. RAO
REINWARDTIA Vol 11, No 3 (1998): Vol. 11 No. 3
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v11i3.931

Abstract

Two new species of the genus Sphaerulina (Ascomycetes-Dothideales) collected from India are described and illustrated here.
GYMNOPETALUM PECTINATUM (W. J. DE WILDE & DUYFJES) RUGAYAH: RANK OF SPECIES FOR GYMNOPETALUM SCABRUM VAR. PECTINATUM (CUCURBITACEAE) W. J. J. O. DE WILDE & B. E. E. DUYFJES - -; RUGAYAH RUGAYAH
REINWARDTIA Vol 14, No 2 (2015): Vol.14 No.2
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/reinwardtia.v14i2.1679

Abstract

DE WILDE, W. J. J. O., DUYFJES, B. E. E. & RUGAYAH. 2015. Gymnopetalum pectinatum (W. J. De Wilde & Duyfjes) Rugayah: rank of species for Gymnopetalum scabrum var. pectinatum (Cucurbitaceae). Reinwardtia 14(2):323 - 324. - With Gymnopetalum pectinatum (W. J.de Wilde & Duyfjes) Rugayah, stat. nov.& comb. nov., a coastal species, four species in Gymnopetalum are now recognized in Malesia

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