Your search for articles mentioning the genus Caladium has found 27 articles.

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Michael Madison On the names of aroids
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 ABSTRACT: It would seem useful in this first issue to clarify some aspects of the naming of plants. The latin name of a plant species consists, technically, of three parts which appear in the following order: first the genus, which is capitalized, ego Philodendron; followed by the species, which is not capitalized, ego giganteum; followed by the name of the person who first described the species, in this case H. W. Schott. So the name of this West Indian species is Philodendron giganteum Schott. In orticultural literature the author's name is often omitted.
Simon J. Mayo The aroid collection of Roberto Burle-Marx
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 ABSTRACT: The estate of Roberto BurleMarx is near Guaratiba to the southwest of Rio de Janeiro, beyond the Serra da Pedra Branca and the Restinga da Jacarepagua, and occupies a site stretching from the top of a fairly steeply-sloping hillside to its base. The principal botanical interest of his plant collection, which he has amassed over some 30 years or so, lies in the very rich collections of Araceae, Bromeliaceae, Musaceae, Velloziaceae and Orchidaceae. As regards the Araceae, his collections of Anthurium and Philodendron spp. merit special attention, being not only of Brazilian species but also with good representation from Ecuador, Costa Rica, Panama and other parts of the neotropics in which Sr. Burle-Marx has collected.
Michael Madison The genera of Araceae in the northern Andes (Buy)
 ABSTRACT: The north Andean region, which includes Colombia, Ecuador, and Peru, has perhaps the richest flora in the world and is the center of diversity of the family Araceae. The low to middle elevation wet forests of the area abound with aroids which cover the ground, climb up tree trunks, and as epiphytes adorn the outer branches of the trees. Many of our finest ornamental aroids, including Anthurium andreanum, A. crystallinum, Caladium bicolor, and Philodendron erubescens, are derived from this area. The purpose of this paper is to provide a key and brief descriptions of the genera of Araceae of the northern Andes which should enable anyone to identify to genus aroids from the region. The key is also applicable in Central America, but only partly so in the rest of South America where a number of additional genera, principally of the subfamily Aroideae, are found.
Michael Madison Notes on some aroids along the Rio Negro (Buy)
 ABSTRACT: In the fall of 1978 I spent several months collecting plants along the Rio Negro in the western Amazon in connection with the Projecto Flora Amazonas, an ambitious undertaking to prepare a new flora of the Amazon. Although my chief research interests on this expedition were not directed to aroids, I was able to make observations and collections of a number of species.
Mark D. Moffler Qualitative observations on tropical aroid cold tolerance (Buy)
 ABSTRACT: As winter approaches each year, we all become concerned about protecting our tropical plants, especially those which are the most susceptible to cold damage. The fall of 1978 was mild in Tampa, with temperatures seldom reaching below 100C (500F). The mild fall gave many of us a false sense of security and steps for cold protection were put off until "tomorrow". It wa~ this unfortunate procrastination that lead to a premature study of cold tolerance in aroids. My initial idea was to test several landscape and porch plants for cold susceptibility, but unfortunately, I unintentionally tested 46 different aroids.
Marcel Lecoufle Caladium humboldtii and its cultivar 'Marcel'
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 ABSTRACT: Caladium humboldtii is the smallest species in the genus. Its showy effect comes from the extreme whiteness of the leaf markings which contrast with the dark green and light green. The height of the plant is normally 18 centimeters, some attaining as much as 25 centimeters. This species was cultivated in enormous quantities in the last century in France, Belgium and England. Florists used it in large quantities for table decorations, and for many kinds of floral arrangements.
Marcel Lecoufle Propogation [sic] of caladiums
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 ABSTRACT: Division, pollination and propagation by seed is discussed.
Dan H. Nicholson Translation of Engler's classification of Araceae with updating (Buy)
 ABSTRACT: When Hooker (1883) was preparing the treatment of Araceae (Aroideae) for the monumental 'Genera Plantarum,' he basically followed the Schottian system, incorporating Engler's (1879) reduction in the number of genera. The first system was "popularized" by Hutchinson (1959) who, with a reversal of the sequence (bisexual genera first), published essentially an English translation of Hooker's latin. Engler (1905-1920), in his monumental 'Das Pflanzenreich', produced his final treatment of the family, including all then known species in nine volumes. This work remains the standard reference for the family as a whole.
David Burnett The problems of names for Araceae: A proposal for hybrid and cultivars (Buy)
 ABSTRACT: There are internationally accepted rules for naming plants at all of these levels. Further there are rules for naming hybrids between Genera (there are probably no known intergeneric hybrids in Araceae): Hybrids between species and hybrids between cultivars. Generally species hybrids are to be named by a formula (and, if appropriate, a name) and hybrids between cultivars by a name along the lines of cultivars. What I propose in this article is that we must depart, slightly, from the rules of the Code. What I regard as two slight departures may seem, to some, as major. This is a matter for the members to decide.
James B. Watson A new name for Xanthosoma lindenii
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 ABSTRACT: One of the most beautiful aroids grown for its foliage is Xanthosoma lindenii. Recently, this species was transferred to the genus Caladium by Dr. Michael Madison in his article "Notes on Caladium (Araceae) and its Allies" (Selbyana, 1981, 5:342-377).
M. Johnson, David Prudhomme Photograph: Caladium lindenii
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F. D. Ghani Ornamental and edible aroids of peninsular Malaysia (Buy)
 ABSTRACT: Most aroids are widely distributed in the tropics and subtropics with a few species in temperate regions. The majority occur in the countries of South East Asia, South and Central America, Africa and the West Indies. The family has a total of 110 genera and ca. 2500 species (Croat, 1979), 92% of which are in South East Asia and Central and South America. In Malaysia alone there are 23 native genera and about 120 species (Henderson, 1954).
Josef Bogner A new Caladium species from Columbia
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 ABSTRACT: Caladium andreanum Bogner, sp. nov. is described.
Thomas B. Croat, Nancy Lambert The Araceae of Venezuela (Buy Back Issue)
 ABSTRACT: An illustrated treatment of 171 Venezuelan Araceae taxa is provided. Discussion of range, species characteristics and distinction from similar or closely related species is made for each taxon. Sixteen species, three subspecies and one variety are described as new, and three new combinations are made.
Josef Bogner Morphological variation in aroids (Buy)
 ABSTRACT: The Araceae or aroid., are a large family of about 2400 species, grouped in 107 genera and these again in nine subfamilies. The aroids are mainly a tropical family and are distributed world-wide. They show great variation in their morphological characters, which will be described in this paper along with some other data.
R. Hegnauer Phytochemistry and Chemotaxonomy of the Araceae
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 ABSTRACT: Many Aroids taste painfully acrid and are toxic. Nevertheless the family yields a number of tropical food crops and many ornamental plants. Phytochemistry and chemotaxonomy of Aroids is discussed.
Thomas B. Croat Ecology and life forms of Araceae (Buy Back Issue)
 ABSTRACT: The most interesting aspect of the family's ecology is the diversity of adaptive life forms. These range from submerged to free-floating, and emergent aquatics to terrestrial plants and to epilithic or epiphytic forms which may be true epiphytes or hemiepiphytic (growing on trees but rooted in soil). Hemiepiphytism is diverse itself, with some species beginning their lives as terrestrial seedlings, then growing skototropically (toward darkness) until they arrive at the nearest suitable tree ( usually a relatively large one which casts a darker shadow) where a physiological change takes place allowing them to grow toward light (Strong & Ray, 1975). They grow as appressed epiphytes on trees or as vines in the canopy. Others begin their lives as true epiphytes, some reconverting to hemiepiphytes by producing long, dangling roots contacting the forest floor below.
Julius O. Boos, Hans E. Boos Additions to the aroid flora of Trinidad with notes on their probable origins and uses (Buy)
 ABSTRACT: These notes are based on collections and observations commencing in July 1988, when the senior author visited his homeland. They document recent discoveries of both native and introduced species of aroids and attempt where possible to explain reasons for some of the introductions.
Gitte Peterson Chromosome numbers of the genera Araceae (Buy)
 ABSTRACT: An overview of the chromosome numbers of the genera of Araceae is given.
Thomas B. Croat Taxonomic status of neotropical aroids (Buy)
 ABSTRACT: While the Paleotropics has more genera than the Neotropics (60 versus 36) the latter area contains roughly twothirds the species of the world's Araceae. Our level of knowledge of the systematics of the neotropical Araceae varies greatly from area to area, owing largely to recent revisionary work or to the interest and area concentrated on by particular workers.
Thomas B. Croat History and current status of systemic research with Araceae (Buy Back Issue)
 ABSTRACT: This paper will cover all systematic and floristic work that deals with Araceae which is known to me. It will not, in general, deal with agronomic papers on Araceae such as the rich literature on taro and its cultivation, nor will it deal with smaller papers of a technical nature or those dealing with pollination biology. It will include review papers on technical subjects and all works, regardless of their nature, of current aroid researchers. It is hoped that other reviews will be forthcoming which will cover separately the technical papers dealing with anatomy, cytology, physiology, palenology, and other similar areas and that still another review will be published on the subject of pollination biology of Araceae and the rich literature dealing with thermogenesis.
A. M. A. Sakpere, O. Adedeji Micropropagation of two Caladium species (Buy)
 ABSTRACT: Great differences occur in cell division and regenerative capacity between plants even within a single species. Therefore difference in callus induction and plant regeneration abilities of two Caladium species - Caladium bicolor and Caladium humboldtii was studied by culturing them on different combinations of growth regulators. Caladium humboldtii was found to be the more responsive genotype for callus induction while Caladium bicolor was the more responsive genotype for plant regeneration. Roots and shoots were more readily generated on corm explants in combinations of Kinetin and Naphtalene Acetic Acid (NAA) than in media containing different concentrations of 2,4-dichlorophenoxy acetic acid (2,4-D) and 1 mg/L Kinetin. Callus was generated on tubers of both species on media supplemented with 0.8 mg/L 2,4-D and 1 mg/L Kinetin.
A. M. A. Sakpere, O. Adedeji Somaclonal variation and its effect on foliar epidermal characters of Caladium humboldtii Schott (Buy)
 ABSTRACT: The ornamental value of Caladium species cannot be overemphasized and tissue culture is increasingly being employed in their propagation. Somaclonal variation is also exploited for the generation of new cultivars for the ornamental market. These variations essentially affect leaf morphology. Therefore, to see if there are corresponding anatomical differences, foliar epidermal studies were carried out on parent plant, Caladium humboldtii Schott, and a somaclonal variant (c. humboldtii 'Sakpere') derived from tuber explants cultured on full strength Murashige & Skoog's (962) medium supplemented with 3% (w/v) sucrose and 0.4 mg/L 2,4-D combined with 1.0 mg/L kinetin. Morphological differences observed were in the shape and colour of leaves of the in vitro derived plantlets. Foliar epidermal studies revealed significant differences in size of epidermal cells, stomatal index and stomatal size of the parent plant and the somaclonal variant. Circular-shaped stomata were encountered in C. humboldtii, these were sparse to absent in C. humboldtii 'Sakpere'.
Josef Bogner The genus Bognera Mayo and Nicolson (Araceae) (Buy)
 ABSTRACT: The genus Bognera Mayo & Nicolson with its single species Bognera recondita (Madison) Mayo & Nicolson, is described and illustrated and its relationships are discussed in detail. Discussions of its history, discovery, distribution, ecology, pollination, etymology and cultivation are given. The genus Bognera is characterized by its creeping rhizome shoot architecture with two cataphylls preceding each foliage leaf, the last one partly enveloping the petiole (a character unique in the family), the essentially parallel-pinnate venation type (philodendroid) but with third order veins in a clearly reticulate pattern, the unconstricted spathe, the stamens of each male flower connate into a synandrium, the female flowers lacking staminodes, the unilocular ovary with a single anatropous ovule on a basal placenta and the inaperturate pollen grains with smooth (psilate) exine.
P.M. Resslar The inflorescence of Caladium humboldtii Schott (Buy)
 ABSTRACT: Both dormant (in 2003, 2005, and 2007) and actively growing tubers (in 2003) of Caladium humboldtii Schott were soaked in a 600 ppm solution of gibberellic acid (GA3) for four hours to induce the formation of inflorescences. This concentration of GA3 was toxic to the actively growing tubers. Most tubers died, with only four out of 20 surviving, and no inflorescences were formed. Dormant tubers, however, survived the treatment and most developed inflorescences. The inflorescence had a green cylindrical spathe tube and a spathe limb that was mottled green and white. The average length of a peduncle was 55.3 ± 12.6 mm, and the average length of an inflorescence was 47.8 ± 3.7 mm. The average length of the staminate, sterile, and pistillate portions of the spadix were 9.3 ± 1.3, 6.0 ± 1.4, and 3.5 ± 1.3, respectively. The average number of pistillate flowers per spadix was 20.8 ± 9.7.
Thomas B. Croat, Pu Huang, J. Lake, Carla V. Kostelac Araceae of the flora of Reserva La Planada, Nariño Department, Colombia (Part 1) (Buy Back Issue)
Wilbert L. A. Hetterscheid, Josef Bogner, Julius O. Boos Two new Caladium species (Araceae) (Buy)