C. Claudel

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• Staff member at Hamburg University

Thermogenesis – the ability to generate metabolic heat – is much more common in animals than in plants, but it has been documented in several plant families, most prominently the Araceae. Metabolic heat is produced in floral organs during the flowering time (anthesis), with the hypothesised primary functions being to increase scent volatilisation f...

Encompassing ca. 200 species distributed in paleotropical Africa and Asia, Amorphophallus is one of the largest genera of Araceae. In spite of a great economic interest for its glucomannan production, only few studies have attempted to grasp the evolutionary history of this genus. In the current state of knowledge, four main clades, mostly linked t...

The genus Amorphophallus encompasses some 230 species and is one of the largest genera of the Araceae family. Most species release scents, smelling of carrion, faeces, dung and similar nauseating odours for pollinator attraction and are therefore considered to have evolved a deceptive pollination syndrome. Some of the most iconic members of the gen...

Some plant lineages, such as Araceae and Orchidaceae, have independently evolved deceptive flowers. These exploit the insect’s perception and deceive the insects into believing to have located a suitable opportunity for reproduction. The scent compounds emitted by the flowers are the key signals that dupe the insects, guiding them to the right spot...

Amorphophallus minimus (Araceae) is herein described and illustrated as a new species from the montane forest of Nueva Ecija, Luzon island, Philippines. A. minimus has an overall resemblance to Amorphophallus palawanensis Bogner and Hett., however, it is easily distinguished by having a club‐shaped and colliculate appendix that is contiguous with t...

We revisit a case of mimicry in Amorphophallus involving visual mimicry of lichens and colonies of cyanobacteria on their tree-trunk sized petioles. We investigate the entire genus for similar defensive coloration types and report a defensive leaf coloration strategy in several Amorphophallus spp. that involves mimicry, camouflage and plant-mimicki...

Remarkably little is known about the evolution of the emblematic genus Amorphophallus. To shed new light on phy-logenetic relationships between species of Amorphophallus and test its current classification, the first well-sampled molecular phylogenetic analysis is presented here, comprising 157 species for which we generate nuclear (ITS1) and plast...

Since the revision of Amorphophallus of Madagascar (Bot Jahrb Syst 121(1):1–17, 1999) several additional new species have been described. The recent discovery of another new species promted the preparation of a revised key as well as the description of the new species. Amorphophallus hildebrandtii, never restudied since its analysis by Engler in 18...

Amorphophallus natolii is described and illustrated as a new species from limestone hills near El Nido, Palawan island, Philippines. It differs most distinctly from other species of Amorphophallus with a densely hairy appendix by its much smaller size and dominant reddish pinkish colours of the spathe. A preliminary molecular analysis shows it to b...

Amorphophallus titanum was succesfully crossed with A. variabilis. One of the resulting seedlings is here presented as a new cultivar A. 'John Tan'.

The new Araceae species Amorphophallus terrestris is described and illustrated.

The Araceae genus Pseudodracontium is reduced to Amorphophallus based on both morphological and molecular evidence. New nomenclatural combinations are presented.

Twnety years of taxonomic research by the first author and aditional molecular data by the second author were orally presented at the Xth Intern. Aroid Conference in Nancy. Only figures are presented. Oral tekst not included.