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A History of the Study of Phyllotaxis
The study of the patterns formed by similar units in plants is traced from the first primitive observations in ancient times to the sophisticated studies of today, with the realization that phenomena similar to phyllotaxis occur in realms outside of botany.
Intergeneric and infrafamilial phylogeny of subfamily Monsteroideae (Araceae) revealed by chloroplast trnL-F sequences.
The chloroplast trnL-F region was used as an independent data set for phylogenetic analysis of 118 aroid taxa and used as a basis for an interspecific phylogenetic study of Rhaphidophora Hassk.
Viability Testing of Orchid Seed and the Promotion of Colouration and Germination
The in vitro bioassay germination test, using a Fusarium isolate from the protocorm of Cypripedium reginae, was compared with standard chemical procedures of triphenyl tetrazolium chloride (TTC) and acid fuchsin for testing seed viability.
Beetle pollination of Philodendron solimoesense (Araceae) in French Guiana
- M. Gibernau, D. Barabé, P. Cerdan, A. Dejean
- Biology, MedicineInternational Journal of Plant Sciences
- 1 November 1999
The pollination of Philodendron solimoesense was studied in four populations of French Guiana and showed that C. colasi is not likely to depend on chemical information to localize conspecifics but may rely instead on stimuli produced by the inflorescences in order to meet mating partners.
Reproduction of the West Mediterranean endemic Arum pictum (Araceae) on Corsica
- A. Quilichini, D. Macquart, D. Barabé, J. Albre, M. Gibernau
- BiologyPlant Systematics and Evolution
- 13 June 2010
The aim of this paper is to document the pollination ecology of the insular Arum pictum, the only Arum species to flower in autumn, on the island of Corsica (France), and suggest that sexual reproduction in this species is limited by pollen rather than by resources.
Zonal thermogenetic dynamics of two species of Philodendron from two different subgenera (Araceae)
It is suggested that the heat production and the spadix temperature patterns observed may reflect a general physiological process common to all species of Philodendron, and the biphasic pattern present in the subgenus Meconostigma can be seen as a variant of the ‘two peaks’ pattern.
Pollination ecology of Philodendron squamiferum (Araceae)
In French Guiana, inflorescences of Philodendron squamiferumPoepp were regularly visited by the scarab beetle Cyclocephala simulatrix Holne and (Scarabaeidae, Coleoptera) occasionally by CycloCEphala tylifera Holne, and the protogynous inflorescence exhibited features typical of beetle polli - nation.
Molecular phylogeny of the genus Philodendron (Araceae): delimitation and infrageneric classification
The genus Philodendron (Araceae) is a large neotropical group whose classification remains unclear, and among the morphological characters used by previous taxonomists to build their classifications, most characters were found to be homoplasious.
Relationships between floral characters, pollination mechanisms, life forms, and habitats in Araceae
Variations in floral traits between the different life forms and climatic conditions are discussed with respect to pollination efficiency and properties of the growing season.
Thermogenesis in three Philodendron species (Araceae) of French Guiana
Spadix temperature was measured in three species of Philodendron: P. acutatum Schott, P. pedatum (Hooker) Kunth, and P. solimoesense, which showed two different patterns of spad...