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  • 1
    Online Resource
    Online Resource
    Thonner's Analytical Key to the Families of Flowering Plants. (1981)
    Dordrecht :Springer Netherlands,
    Details
    Keywords: Phanerogams-Identification. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (257 pages)
    Edition: 1st ed.
    ISBN: 9789401098908
    Series Statement: Leiden Botanical Series ; v.5
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6692507
    DDC: 582.13
    Language: English
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    GEOMAR EBL
  • 2
    Online Resource
    Online Resource
    The Plant Diversity of Malesia : Proceedings of the Flora Malesiana Symposium Commemorating Professor Dr. C. G. G. J. Van Steenis Leiden, August 1989. (1990)
    Dordrecht :Springer Netherlands,
    Details
    Keywords: Phytogeography. ; Electronic books.
    Description / Table of Contents: Proceedings of the Flora Malesiana Symposium Commemorating Prof Dr C.G.G.J. van Steenis.
    Type of Medium: Online Resource
    Pages: 1 online resource (421 pages)
    Edition: 1st ed.
    ISBN: 9789400921078
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6492197
    DDC: 581.9
    Language: English
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  • 3
    Electronic Resource
    Electronic Resource
    Plasma sprayed coatings of hydroxylapatite (1987)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Biomedical Materials Research 21 (1987), S. 1375-1381 
    Details
    ISSN: 0021-9304
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine , Technology
    Notes: The technique of plasma spraying has been applied to deposite a thin, dense layer of hydroxylapatite onto a titanium substrate. Bond strength of such apatite coatings with the substrate have been measured, as well as the (absence of) influence of the coating process on fatigue properties of the substrate. Animal studies showed similar histological reactions to apatite coatings as to (well documented) apatite bulk materials.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jbm.820211203
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    Paper (German National Licenses)
    Fulltext
  • 4
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    Reviews (1985)
    In:  Flora Malesiana Bulletin (0071-5778) vol.38 (1985) nr.9/2 p.185
    Details
    Publication Date: 2015-04-20
    Description: BOURDY, G. Une approche de la médicine traditionnelle à Bukittinggi (Sumatra Quest). D.E.A. d’ecologie U.S.T.L. Montpellier. 1984. 55 pp. The results presented in this paper are based one some field work conducted in the Minangkabau region of Bukittinggi (Western Sumatra) during February and March 1984. Traditional medicine is approached through the description of medicinal plants, the way they are utilized, and the people who gather and prescribe them. Data have been collected while interviewing the ’dukuns’ (native doctors). For each medicinal plant synonyms, vernacular names in Bahasa and Minangkabau are given. Voucher specimens of 69 specimens of such medicinal plants were collected and are deposited at MPU.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
    Format: application/pdf
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  • 5
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    Portulacaceae (1972)
    In:  Flora Malesiana - Series 1, Spermatophyta (0374-7778) vol.7 (1972) nr.1 p.121
    Details
    Publication Date: 2015-04-20
    Description: Annual to perennial, erect or creeping, mostly branched herbs or shrubs, occasionally woody at the base, often with a tuberous or swollen main root, occasionally rooting at the nodes. Leaves spirally arranged to opposite, subsessile, occasionally with axillary hairs or scales (in Mal. only in Portulaca), nervation pinnate or reticulate. Flowers bisexual, actinomorphous (occasionally cleistogamous), in axillary and/or terminal thyrsi, dichasia, in terminal capitules or solitary (terminal or axillary). Bracts leaf-like or membranous. Sepals 2 (4-8 in extra-Mal. Lewisia and Grahamia), boat-shaped, deltoid to obovate at base shortly connate and confluent with petals and stamens. Petals (3-)4-6(-8), mostly obovate and unequal, shortly connate. Stamens (l-)3-∞, in 1-∞ ± distinct whorls; filaments basally shortly connate; anthers 2- or 4-celled, dorsifixed, dehiscing lengthwise. Ovary superior or half-inferior, originally 2-20-celled, soon becoming 1-celled; style with 2-20 mostly papillous arms. Ovules 4-∞ on a central, dendroid placenta, campylotropous. Capsule 3-7-valved or with a caducous operculum, occasionally surrounded by the persistent calyx. Seeds 1-∞, smooth or ornamented, kidneyshaped to ± globular, laterally compressed, mostly with a caruncle. Embryo curved, almost filling the ripe seed. Distribution. About 15 genera with possibly 200 spp. Cosmopolitan, with some tropical species occurring as adventives in temperate regions. In Malesia 4 genera with 11 spp.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 6
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    Urariopsis reduced to Uraria (Leguminosae-Papilionoideae) (1980)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.26 (1980) nr.2 p.439
    Details
    Publication Date: 2015-03-06
    Description: The monotypic genus Urariopsis, based on Uraria cordifolia Wall., has been compared with several S.E. Asiatic species of Uraria. The species Uraria prunellaefolia, U. collettii, and U. barbata are considered to be most closely related to U. cordifolia. The pods of U. cordifolia and U. collettii consist of longitudinally flattened, peltate loments, those of U. prunellaefolia consist of laterally flattened, longitudinally arranged loments; in the other species the loments are laterally flattened and zig-zag folded. No correlating characters were found, and the differences in shape of the pods are not considered sufficient ground to distinguish groups on generic level. Notes on morphology, nomenclature, and geographic distribution are presented.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 7
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    Introduction (1989)
    In:  Flora Malesiana Bulletin (0071-5778) vol.10 (1989) nr.1 p.2
    Details
    Publication Date: 2015-04-20
    Description: When Flora Malesiana began, officially in 1950, its aim was to produce a comprehensive survey of an estimated 25,000 plant species in a period of a few decades. On the one hand the Flora had to be concise, on the other hand it had to be “a replacing encyclopedia” for all previously published knowledge. The approach was generally called ‘semi-monographic’, indicating that a certain degree of ‘completeness’ was to be realized in the treatments. Even in 1960, ten years later, the founder, Professor van Steenis wrote in an official report that the period necessary for completion would be 30 years (from 1960 onwards) and that the total size would be equivalent to 20 volumes like volumes I, 4 and I, 5 that had appeared in the first decade. Had Professor van Steenis considered more carefully the actual progress, he would have found that the true figures were another 19 decades in order to complete over 35 volumes! The graph on the preceding page shows the growth of the Flora expressed in numbers of species treated per volume. It is surprising that the original rate has not significantly slowed! For a somewhat more elaborate contemplation on these data and background concepts, see the contribution by Geesink in the Flora Malesiana Symposium Proceedings Volume ‘The Plant Diversity of Malesia’. We are now 40 years later with not yet 20% of the Flora (Phanerogams only) completed and the contents of the first volumes outdated to various degrees. This problem was the subject of a 2-day workshop organized immediately after the Flora Malesiana Symposium held in Leiden from 21-25 August 1989. The discussion papers were given to all participants prior to the workshop.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 8
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    A do-it-yourself altimeter for trees (1982)
    In:  Flora Malesiana Bulletin (0071-5778) vol.35 (1982) nr.1 p.3783
    Details
    Publication Date: 2015-04-20
    Description: Commercially available tree altimeters are expensive and heavy, and my personal experience with these instruments is thus minimal. During my last expedition I only used it now and then in the base camp to correct my ’feeling for estimation’. I have little doubt that colleagues will recognize these feelings. After my return I regretted this attitude to some extent and tried to design a cheap and light alternative device. It is drawn on the next page, and easy to construct: Make a copy of the drawing. Photocopies are generally not exact enough, causing differences to 5 m in this scheme, due to barrel- and cushionshaped distortion by the lens. I advise to copy the drawing by hand on transparent paper. Glue this copy (preferably with epoxy-resin to make it waterproof) on hardboard (plexiglass, thin aluminium). Fix a water-level parallel to the horizontal line (which indicates c. 1.70 m eye-level!). Attach a transparent ruler with a thin but distinct straight line. This ruler is attached with a (nylon) bolt and nut (the latter fixed with cyano-acrylate, e.g. Loctite) in order to move the ruler to reach the necessary angle and to keep it in a fixed position easily. It needs some training to keep the righthand eye on the water-level (a small mirror may help here), the accuracy is sufficient when one sees the air-bubble moving or trembling. A much more severe factor causing inaccuracy is the impossibility to estimate in larger trees where the actual summit is hidden behind the crown. When impossible to locate, one can use the rule of thumb, that the actual summit is behind a point about halfway the base and the edge of the crown. An attached string of e.g. 20 metres facilitates to fix the horizontal distance. From the scale it is evident that one should not try to measure a 50 m tall tree from 20 m distance, 40 m is more accurate. The exactness of the device is mainly dependent on the length of the ruler, 25-30 cm is needed. Before fixing the water-level definitively, one should gauge its position by means of a tree or other vertical object (flagpole) of known height.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
    Format: application/pdf
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  • 9
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    Duabanga taylorii Jayaweera (Sonneratiaceae) a putative hybrid (1970)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.18 (1970) nr.2 p.453
    Details
    Publication Date: 2015-03-06
    Description: The differentiating characters of Duabanga grandiflora (Roxb. ex DC.) Walp., D. moluccana Bl., and D. taylorii Jayaweera are given. Most characters of D. taylorii appear to be intermediate between those of the other two species; a few characters represent combinations of those of the two other species; one character is not shared by the other species. From this evidence it is supposed that D. taylorii is a hybrid. This suggestion is sustained by the history of the specimens on which D. taylorii is based. An attempt to count chromosomes of D. taylorii and D. grandiflora failed, probably due to the unsuitability of the fixative for this purpose.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 10
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    A synopsis of the genus Swertia (Gent.) in Malesia (1973)
    In:  Blumea - Biodiversity, Evolution and Biogeography of Plants (0006-5196) vol.21 (1973) nr.1 p.179
    Details
    Publication Date: 2015-03-06
    Description: In August 1972, Dr. W. J. J. O. de Wilde and his wife, Mrs. B. E. E. de Wilde-Duyfjes, collected on Mt. Bandahara in North Sumatra besides the already known Swertia piloglandulosa another, yet unknown Swertia which gave rise to this preliminary revision. This plant occurs together with S. piloglandulosa but inhabits a moister place in the mountain heath, viz. along a small streamlet, and it appeared to represent a miniature form of S. piloglandulosa. Besides, it had a further reduced number of ovules. It may be worthwhile to point out first the difference between dwarf forms and miniature forms.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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