Since molecular analyses have demonstrated that Sarcostemma R. Br. is deeply nested in the predominantly Madagascan stem-succulent clade of Cynanchum L., the genus has been treated as a synonym of Cynanchum. Some of the former Sarcostemma species have been transferred to Cynanchum in the course of various Flora treatments, and some new species belonging to… (More)
Deceptive Ceropegia dolichophylla fools its kleptoparasitic fly pollinators with exceptional floral scent. Ceropegia species (Apocynaceae) have deceptive pitfall flowers and exploit small flies as pollinators, supposedly by chemical mimicry. Only preliminary data on the composition of flower scents are available for a single species so far, and the mimicry… (More)
Brachystelma penchalakonense, a new species from the Nellore District of Andhra Pradesh, India is described and illustrated. This large-flowered species is related to B. maculatum.
The Franconian Alb (Bavaria, Germany) is rich in endemic Sorbus taxa, considered as apomictic microspecies and derived by hybridization between Sorbus aria aggregate and Sorbus torminalis (Sorbus latifolia aggregate). Molecular studies using the AFLP technique, neighbour joining, Bayesian clustering, principal coordinate analysis (PCo) and voucher studies… (More)
Four to six percent of plants, distributed over different angiosperm families, entice pollinators by deception . In these systems, chemical mimicry is often used as an efficient way to exploit the olfactory preferences of animals for the purpose of attracting them as pollinators [2,3]. Here, we report a very specific type of chemical mimicry of a food… (More)
Taxonomy of the northern Andean genera Pentacyphus and Tetraphysa is re-evaluated by morphological and molecular analyzes. Pentacyphus, while having priority against its synonym Tetraphysa, consists of three species: P. andinus, P. lehmannii, and P. camargoi, based on Sarcostemma camargoi, a species from Colombia and Ecuador which is transferred to… (More)
Due to a production error, an out-of-date (uncorrected) pdf of this paper was uploaded onto Springerlink, and used for the print version of Kew Bulletin 67 (4): 751 – 758 (10.1007/s12225-012-9384-2). Consequently the authority for Cynanchum viminale (L.) Bassi and its subspecies was incorrect. These names are now listed again below with the correct… (More)
One hundred and thirty-seven accessions of Cynanchum viminale and its relatives, formerly known as Sarcostemma, were studied using randomly amplified polymorphic DNA (RAPD). A fingerprinting technique was used because sequencing had failed to differentiate between morphologically separable groups. Chromosome counts were conducted to establish the ploidy… (More)