The genus Rhyncharrhena (Asclepiadaceae)

Calotropis Procera (Asclepiadaceae) : A Review

Calotropis procera belongs to the family Asclepiadaceae. It is a erect, soft wooded, evergreen perennial shrub. C. procera commonly known as “Akra” and “milk weed”. All the parts (root, stem, leaf and flowers) of C. procera are in common use in traditionally system of medicine. The present paper is an attempt to provide a detailed botanical description, classification, pharmacological study of ...

Articulated cork in Calotropis procera (Asclepiadaceae)

Pollinators of Oxypetalum (Asclepiadaceae) in southeastern Brazil.

Floral visitors of seven species of Oxypetalum were registered in Viçosa, State of Minas Gerais. O. appendiculatum, O. banksii subsp, banksii, O. alpinumn var. alpinum and O. pachyglossum are pollinated by wasps, being Polybia ignobilis (Vespidae) a pollinator of these four species. It seems that P ignobilis promotes interspecific pollinations mainly between O. alpinum var. alpinum and O. pachy...

Notes on the genus Pileolaria (Pucciniales)

The results showed that Pileolaria terebinthi, type species of the genus Pileolaria is not a hemi–form or brachy–form rust species as mentioned among literature by several authors. Study on miscellaneous specimens collected from Iran and locus classicus of the species, France, revealed that P. terebinthi is an automacrocyclic rust and its aecial state is not uredinioi...

The genus Helvella in Iran

This study is a review on the genus Helvella (Pezizales, Helvellaceae) in Iran. Study on samples deposited in Iran fungal herbarium along with the fresh materials collected by the author revealed that seven species of Helvella, H. acetabulum, H. atra, H. crispa, H. elastica, H. ephippium, H. lacunosa and H. leucopus (as H. monachella) have already been reported from Iran. Three other species vi...