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INDONESIA
REINWARDTIA
Published by Lembaga Ilmu Pengetahuan Indonesia
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Articles 1,467 Documents
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NOTES ON MALAYSIAN CYPERACEAE J. H. KERN
Reinwardtia Vol. 2 No. 1 (1952)
Publisher : BRIN Publishing (Penerbit BRIN)

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This is the first paper of a series, in which preparatory to a more comprehensive treatment for "Flora Malesiana," some noteworthy Malaysian Cyperaceae will be dealt with. It is based on the material of this family in the Herbaria at Bogor (BO), Leiden (L), and Singapore (S).My sincere thanks are extended to the Directors of these institutions for giving me the opportunity to study their rich collections.In 1935—36 Kiikenthal's excellent monograph on the genus Cyperus in Engler's "Pflanzenreich" appeared.Unfortunately that author revised only a few specimens of the herbaria already mentioned,so that the basis for the distribution of the genus in Malaysia, as given in his invaluable work, compares unfavourably with that of the species of other regions.Kiikenthal's delimitation of the genus is readily accepted; in general his arrangement of the species is also followed, although I cannot agree with Kiikenthal's assertion that his system should be in close accordance with the genetic development of the genus.On the whole only the synonymy important for the Malaysian region is given below. For a more complete account the reader is referred to Kiikenthal's monograph, in which of course the literature of merely regional interest could not always be fully considered.The accompanying plates are part of a series, drawn under mysupervision by two of the draughtsmen of Herbarium Bogoriense, Sukirno and Md. Anwar.
AN ADDITIONAL NOTE ON VIBURNUM CLEMENSAE KERN J. H. KERN
Reinwardtia Vol. 2 No. 1 (1952)
Publisher : BRIN Publishing (Penerbit BRIN)

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In "Reinwardtia" (1: 157. 1951) I published a new species of Viburnum from Mount Kinabalu, Borneo, under the name of V. clemensae.The description was drawn up after fruiting specimens in the Herbarium of the Arnold Arboretum. Unfortunately flowers were wanting in the specimens available.Some time ago Dr. A. J. G. H. Kostermans came across much more complete material among the indeterminata of the Bogor Herbarium, profusely flowering as well as fruiting. This enables the amplification of the description.
A CRITICAL STUDY IN THE COMPLEX-POLYMORPHOUS GENUS SCHIMA (THEACEAE) S. BLOEMBERGEN
Reinwardtia Vol. 2 No. 1 (1952)
Publisher : BRIN Publishing (Penerbit BRIN)

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1. The author considers the genus Schima monotypic. Its only species, Schima wallichii (DC.) Korth., is subdivided into nine geographically separated subspecies and three varieties.These may be recognised sometimes by one dominating chax*acter,mostly, however, by a complex of characters.Several new combinations are made. 2. Yet the variability of most of the subspecies is still often enormous and at first sight appears complex. Thus we may often encounter the polymorphy of the whole species in its subspecies again. It was the striking different percentage-numbers of(phenotypically) about the same characters which turned the scale in favour of the recognition of the subspecies, besides their geographic separation.The attempts made by the author to divide certain resulting complex-polymorphous subspecies into units of still lower rank and to trace correlations with peculiarities of environment such as different heights above sealevel, or with different stages in the age of the trees, failed. 3. On account of these negative results and the above mentioned different percentage-numbers for phenotypically about the same characters, the author came to the conclusion that the most probable explanation is that the variability within the subspecies is just due to Mendel-segregation and nothing else.It looks very much as if one is dealing here with the inheriting of striking characters, each caused by one or only a few polymeric factors, characters which hold their own, just as in panmictlcally propagated populations (by cross-pollination). This explanation, too,makes the striking fact that in some subspecies we find back phenotypically the whole, or part, of the polymorphy of the entire species more understandable, as well as the fact that individuals of different subspecies may agree phenotypically, whereas genotypically they belong to different races (subspecies), Moreover, all these phenomena strongly support the monotypic conception of the genus. 4. The author saw few examples from the area outside Indonesia. However,this does neither influence his monotypic conception of the genus, nor his method of dividing it into units of lower ranks. The study of the scanty amount of specimens,literature, and the drawings seen appeared more than sufficiently convincing. Yet he is not quite certain whether the correct rank was ascribed to some of the lower taxa involved. It would perhaps have been advisable to consider the variety superba and the continental parts of the subspecies oblata and monticola as distinct subspecies.Future consideration of this matter shall have to decide.
THE GENUS TETRACERA (DILLENIACEAE) IN THE EASTERN OLD WORLD R. D. HOOGLAND
Reinwardtia Vol. 2 No. 2 (1953)
Publisher : BRIN Publishing (Penerbit BRIN)

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1. An account of the genus Tetracera L. in the eastern Old World (Asia, Malaysia,Australia, New Caledonia) is given. The Malaysian species have already been in cluded in the revision of the Dilleniaceae in "Flora malesiana" (I 4: 141-149. 1951). 2. The main part of the present paper consists of a key to the species, followed by a systematic treatment of the 15 species admitted for the region. 3. Latin diagnoses are given for three new subspecies under Tetracera asiatiea (Lour.) Hoogl. and two new varieties under Tetracera nordtiana F. Muell. 4. A number of species are reduced either to the rank of variety or to synonymy. 5. Distribution-maps are provided for the species of which a relatively large number of specimens has been studied.
NOTES ON MALAYSIAN GRASSES-I* P. JANSEN
Reinwardtia Vol. 2 No. 2 (1953)
Publisher : BRIN Publishing (Penerbit BRIN)

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This paper contains miscellaneous notes on grasses from Malaysia.One genus,21 species, and 26 varieties are described as new.Many reductions to synonyms are made.Eight specific names are recombined under other generic names and 18 names of varieties, too,are recombined without change of rank.One subspecies and 2 varieties are raised to the rank of species, while 15 species are reduced to the rank of varieties
ETUDE SUR LES RAPPORTS ENTRE LES GENRES UITTIENIA, DANSERA ET DIALIUM (Legum.-Caesaip.) R. L. STEYABRT
Reinwardtia Vol. 2 No. 2 (1953)
Publisher : BRIN Publishing (Penerbit BRIN)

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1. On the basis of a detailed comparison of all characters, the genera Uittienia and Dansera are joined to Dial him as subgenera. This brings the number of subgenera in this genus to four, viz., Dialium, Dansera, Vittievia, and Around. 2. Davxeia and Uittienia ate close to the subgenera Dialium and Arouna respectively, but one or two characters of each put them both as intermediates between the latter two. 3. Subgenera Dialium and Arouna remain in their previously described geographic distributions, but Uitticnia appears to have a close relationship with Aroiiva. A point of phylogeny is left open here for further consideration when further data will he available. 4. The trimery of flowers in Dansera is abnormal for both the genus Dialiuw and the tribe Cassieae, but it might bring proof that the connexion of Dialium hexa nepalmn Harms with the genus was previously unduly questioned by the author.The type and only known specimen of the latter species was destroyed during the war;collections of new specimens would, therefore, be of the highest interest.
NEW AND CRITICAL MALAYSIAN PLANTS-I A. J. G. H. KOSTERMANS
Reinwardtia Vol. 2 No. 2 (1953)
Publisher : BRIN Publishing (Penerbit BRIN)

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Ab omnibus speciebus generis legumine permagno,falcitto vel subfalcato et foliolis magnis differt.Tree up to 30 m high, with a clear bole 21 m high and 50 cm indiameter.Buttresses up to 2 m high, extending 1 m from bole, 5—10 cmthick. Bark grey-brown, rather smooth or cracked,occasionally scaling off in irregular pieces; dead bark 2—9 mm thick; living bark 5—9 mm,red. Sapwood 5—15cm, yellowish, with agreeable smell; heartwood redbrown.Branches cylindrical, red-brown or grey, lenticellate; branchlets at apex rusty puberulous.Leaves bipinnate, up to 35 cm long, glabrous,glandless; petioles 3—12 cm long, glabrous or microscopically pulverulently puberulous; rachillae 2 or 4, up to 25 cm long, lower ones shorter; leaflets opposite or the proximal ones subopposite, coriaceous or chartaceous, glabrous, 4—5-jugate (apical leaves 3-jugate), elliptic, (4—)6—12 cm long, (1.5—)3—8cm wide; proximal ones as a rule smaller than distal ones; top acuminate or caudate-acuminate with blunt tip; base rounded or subacute; both surfaces glossy (lower one brown when dried) ; upper surface reticulate or rather smooth; lower surface with prominent midrib and 4—6 pairs of inarching, prominent, lateral nerves; veins prominulous,laxly reticulate; petiolules 3—5 mm long, usually stout, deeply channelled above (sometimes not channelled in swollen petiolules). Inflorescence raceme-like, up to 10 cm long, with stout main rachis. Flowers in axils of more or less persistent, ovate, concave, glabrous, 1—2 mm long bracts.Calyx unknown. Corolla-tube unknown; lobes elliptic-lanceolate, concave,glabrous, 3—5 mm long. Anthers 1 mm long. Pod woody, up to 24 cm long and 4.5 cm wide, constricted between seeds, falcate or subfalcate, 2-seeded,dull, ferrugineous (when dried), furrowed, not dehiscent; dorsal suture conspicuous. Seeds brown, ellipsoid, 4 cm long, 2.5 cm wide, hardly com- pressed, top oblique; cotyledons flat-convex, hard.

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