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  • 1
    facet.materialart.
    Unknown
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.462 (1976) nr.1 p.398
    Publication Date: 2015-05-08
    Description: Op 27 mei 1976 overleed Dr. P.A. Florsohütz op de leeftijd van 53 jaar. Het bericht van zijn overlijden kwam zelfs voor diegenen die gedurende de laatste weken van zijn leven regelmatig kontakt met hem hadden onverwacht. Tijdens de middelbare-sohooltijd kwam zijn interesse in de biologie al duidelijk naar voren. Zowel plant als dier had zijn belangstelling. Na het behalen van het diploma HBS liet Florsohütz zich als student in de biologie aan onze universiteit in schrijven en legde in 1945 bet kandidaatsexamen af. Spoedig daama werd hij kandidaat-assistent bij Prof. Pulle, hoogleraar-directeur van het toenmalige Botanisch Museum en Herbarium. Hét doctoraal-examen werd in 1949 afgelegd.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 2
    facet.materialart.
    Unknown
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.135 (1956) nr.1 p.1
    Publication Date: 2015-05-08
    Description: This vegetation survey is the outcome of an investigation of the islands of the Netherlands Antilles carried out under the auspices of the Foundation for Scientific Research in Surinam and the Netherlands Antilles. The data on which the present study is based were obtained during a trip which lasted from September 1952 until October 1953. During this trip the following islands were visited: Curaςao, Bonaire, Aruba, St. Martin, Saba, and St. Eustatius. A short visit was also paid to the island of St. Kitts (B.W.I.). The present work gives an account of the actual vegetation of the Netherlands Antilles. Other studies, comprising the systematic results and conclusions of the survey, are being prepared, and will possibly be published in 1958.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 3
    facet.materialart.
    Unknown
    In:  Mededelingen van het Botanisch Museum en Herbarium van de Rijksuniversiteit te Utrecht (2352-5754) vol.247 (1967) nr.1 p.539
    Publication Date: 2015-05-08
    Description: In a same macroclimate on the islands of the Leeward Group of the Netherlands Antilles two types of vegetation are chiefly found. A vegetation pertaining to the dry evergreen formation series on limestone and a vegetation on diabase belonging to the seasonal formation series. Study was made of the water relation at the end of the rainy season during which transpiration, water deficit, suction pressure and soil water were investigated. From the course of transpiration curves it was concluded that water relations in diabase soil are more sever than those in the limestone. Water deficit in plants, growing on diabase appears to be much higher than those of limestone. Suction pressure divergates strongly in both cases. In the upper soil layers the amount of water that can be taken up by plants is small both in limestone and diabase. In deeper layers of the limestone soil there is more water than in diabase of the same level. Vegetation on diabase is determined by a sufficient amount of water in the soil during the rain season and a great drought during the other months. On the other hand in limestone the amount of water in the soil is larger during a longer period. Because of the higher suction pressure of this soil only plants developing a higher suction pressure can occur.
    Repository Name: National Museum of Natural History, Netherlands
    Type: Article / Letter to the editor
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  • 4
    facet.materialart.
    Unknown
    In:  Studies on the Flora of Curaçao and other Caribbean Islands vol.1 (1956) nr.1 p.1
    Publication Date: 2014-10-27
    Description: The islands of Aruba, Bonaire and Curaçao form part of a row of small islands off the north coast of Venezuela. Aruba lies 27 km north of the peninsula of Paraguaná and 76 km west of Curaçao; it is separated from the former by a stretch of sea with a maximum depth of 180 m, and from the latter by a channel 1,300 m deep. Bonaire lies 40 km east of Curaçao and 87 km from the South American continent; it is separated from the former by a stretch of sea with a maximum depth of 1,500 m, and from the latter by a stretch of sea with a maximum depth of 1,700 m. Curaçao lies 64 km from the peninsula of Paraguaná and is separated from it by a stretch of sea with a maximum depth of 1,400 m.
    Repository Name: National Museum of Natural History, Netherlands
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  • 5
    facet.materialart.
    Unknown
    In:  Flora of the Netherlands Antilles vol. 3 no. 3, pp. 335-347
    Publication Date: 2024-01-12
    Description: Monoecious or dioecious trees, shrubs or vines climbing by axillary tendrils. Leaves usually alternate, compound to decompound, often even-pinnate or rarely simple. Stipules sometimes present and then persistent or deciduous. Inflorescence consisting of terminal and/or axillary thyrses, or simple or compound racemes or rarely flowers solitary. Flowers small, actinomorphic or zygomorphic, hypogynous, usually unisexual by abortion or rarely bisexual. Sepals 4\xe2\x80\x945, free or connate, usually unequal, deciduous or persistent. Petals 4\xe2\x80\x945, free, clawed, often with petaloid appendages on the interior surface above the claw, or rarely wanting. Disk nectariferous, extra-staminal or intrastaminal. Stamens 6\xe2\x80\x9410 (\xe2\x80\x9412), often 7\xe2\x80\x948; filaments free or connate near the base, inserted within or on the disk; anthers versatile, introrse, with longitudinal dehiscence; in female flowers staminodial or wanting. Pistil 3\xe2\x80\x94(2\xe2\x80\x946)-carpellary, rudimentary in male flowers; ovary superior, 2\xe2\x80\x944 (\xe2\x80\x946)-locular; style short or elongate, sometimes cleft at the apex; stigma 1 or 3. Ovules 1\xe2\x80\x942 in each locule, on an axile placenta. Fruit a drupe, berry, capsule or schizocarp splitting into drupe-like, nut-like or samaroid mericarps, often 1-locular. seeds usually solitary in a locule, often with an aril. Endosperm scanty or wanting. Embryo usually curved. Pantropic family of about 150 genera and 1800 species, especially in the Neotropics; a few species extending into warm-temperate regions.
    Repository Name: National Museum of Natural History, Netherlands
    Type: info:eu-repo/semantics/article
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  • 6
    facet.materialart.
    Unknown
    In:  Flora of the Netherlands Antilles vol. 3 no. 3, pp. 197-198
    Publication Date: 2024-01-12
    Description: Trees or shrubs. Leaves alternate, opposite, simple; petioles often thickened at both ends. Stipules present, deciduous. Inflorescence consisting of racemes or panicles or flowers solitary. Flowers actinomorphic, 4\xe2\x80\x945-merous, mostly hermaphrodite. Sepals 4\xe2\x80\x945. Petals 4\xe2\x80\x945 or wanting. Stamens numerous, free, attached to the well-developed disk; anthers mostly opening by pores. Ovary superior, 2\xe2\x80\x94many-locular; style one; stigmas 5. Ovules 2\xe2\x80\x94many, with axile placentation. Fruit mostly a capsule, rarely a drupe. Seed with endosperm and rarely with an aril. About 10 genera with c. 400 species, nearly all in the tropics.
    Repository Name: National Museum of Natural History, Netherlands
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  • 7
    facet.materialart.
    Unknown
    In:  Flora of the Netherlands Antilles vol. 3 no. 3, pp. 165-167
    Publication Date: 2024-01-12
    Description: Trees or shrubs. Leaves alternate, rarely pseudo-verticillate or pseudo-opposite, entire, with small dots and lines (schizogenic cavities). Stipules wanting. Inflorescence various, terminal or axillary. Flowers hermaphrodite or unisexual, small, actinomorphic (3\xe2\x80\x94)4\xe2\x80\x945(\xe2\x80\x946)-merous. Sepals free or more or less united, valvate, usually glandulardotted, persistent. Petals usually united, mostly rotate or salverform, rarely tubular. Stamens as many as the petals and epipetalous; filaments short and adnate to the corolla or rarely free; anthers 2-celled, with longitudinal, introrse dehiscence. Ovary superior or more or less inferior, 1-locular, sessile; style 1, short or wanting; stigma various. Ovules few to numerous, anatropous or amphitropous, usually at least partly immersed in the central placenta. Fruit a berry or a drupe with stony endocarp, 1-seeded. Seed with copious endosperm. Embryo enclosed in the fleshy or horny endosperm. About 1000 species in c. 35 genera in the tropics and subtropics.
    Repository Name: National Museum of Natural History, Netherlands
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  • 8
    facet.materialart.
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    In:  Flora of the Netherlands Antilles vol. 3 no. 2, pp. 130-131
    Publication Date: 2024-01-12
    Description: Evergreen trees or shrubs. Leaves opposite or rarely alternate. Stipules interpetiolar, soon deciduous. Flowers solitary or in axillary, forked or cymose inflorescences, hermaphrodite, actinomorphic. Receptacle campanulate. Sepals persistent, free. Petals as many as the sepals, 4\xe2\x80\x948 (or rarely 3\xe2\x80\x9416), free, inserted on the rim of the receptacle and alternating with the calyx lobes. Stamens twice as many as the petals, inserted on or at the base of the disc; filaments free, short; anthers introrse, usually 2-celled or sometimes divided into numerous pollensacs. Disc epi- or perigynous, often lobed. Ovary inferior or partly inferior, mostly 2-locular; style simple, filiform to cylindric; stigmas small, capitate or lobed. Ovules 2 to many, anatropous, pendulous from the axis above the middle. Fruit leathery, crowned by the calyx at least when young, indehiscent or dehiscing septicidally, 1\xe2\x80\x945-locular with 1 seed per loculus. Seeds hanging, rather large, sometimes arillate. Embryo straight or rarely curved. Endosperm wanting. About 70 species in 17 genera in the tropics of both hemispheres.
    Repository Name: National Museum of Natural History, Netherlands
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  • 9
    facet.materialart.
    Unknown
    In:  Flora of the Netherlands Antilles vol. 3 no. 2, pp. 132-137
    Publication Date: 2024-01-12
    Description: Trees, shrubs or lianas. Leaves alternate, verticillate, or rarely opposite. Stipules wanting. Inflorescence consisting of terminal, axillary or extra-axillary panicles, racemes or spikes. Flowers actinomorphic or occasionally zygomorphic, hermaphrodite or unisexual. Receptacle tubular, surpassing the ovary in length. Sepals 4\xe2\x80\x945(\xe2\x80\x948), persistent, valvate. Petals 4\xe2\x80\x945(\xe2\x80\x948) or wanting, small, imbriate or valvate. Disk often present. Stamens 2\xe2\x80\x945 or twice as many as the calyx lobes and then biseriate; anthers versatile or adnate to the filaments with welldeveloped connective, 2-celled, with longitudinal dehiscence. Ovary inferior, uni-locular, ribbed or angled; style 1, slender; stigma small, rarely capitate. Ovules 2\xe2\x80\x946, pendulous, epitropous. Fruit leathery and drupaceous, very variable in shape and size, usually indehiscent, often variously winged or ridged. Seed one, by abortion of the ovules. Endosperm wanting. About 500 species in 18 genera in the tropics of both worlds.
    Repository Name: National Museum of Natural History, Netherlands
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  • 10
    facet.materialart.
    Unknown
    In:  Flora of the Netherlands Antilles vol. 3 no. 1, pp. 30-31
    Publication Date: 2024-01-12
    Description: Herbs or shrubs, usually tomentose or silky pubescent. Leaves alternate, simple and entire or rarely 3-foliolate. Stipules deciduous. Inflorescence consisting of terminal racemes or flowers solitary in the leaf-axils. Bracts 2, opposite, foliaceous, adnate at or above the middle of the pedicels. Flowers irregular, rather large. Sepals 4 or 5, unequal, imbricate. Petals 5, the 3 upper ones long-clawed, free or partly united, the 2 lower ones shorter or even reduced to small, thick, fleshy scales. Stamens 3\xe2\x80\x944; filaments free or united; anthers basifixed, opening with terminal pores. Ovary sessile, uni-locular; style cylindric, acute. Ovules 2, collateral, pendulous, anatropous. Fruit globose or slightly compressed, indehiscent, spiny, 1-seeded. Endosperm wanting. Only one genus with about 20 species in tropical and warm-temperate America.
    Repository Name: National Museum of Natural History, Netherlands
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