Published 15th may 2020
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Edited by M. Gibby & A. Leonard
×Phlebosia (Polypodiaceae), a new fern nothogenus with a new cultivar ‘Nicolas Diamond’
In 2014 James J. Georgusis reported that a chance hybrid between Phlebodium aureum ‘Mandaianum’ and Pyrrosia lingua ‘Cristata’ had originated in his greenhouse in Metairie, Louisiana (USA). Though we initially were inclined to consider it a bizarre mutation of one of its putative progenitors, further study of its morphology and its nuclear 2C DNA content revealed it to be intermediate between its putative parents. We thus accept its proposed ancestry and hence describe this plant here in the new nothogenus ×Phlebosia
Extended distribution for a rare fern Tectaria multicaudata in peninsular India
During revisionary work on the genus Tectaria from India, the authors came across an uncommon species collected at Panhala fort, Kolhapur District of Maharashtra state, India. After critical observation and detailed study of its morphology, it was identified as T. multicaudata which is a new distributional extension for peninsular India. Its distribution and conservation status are given along with a table of comparative morphology with allied species
A preliminary study of phytochemicals in Equisetum arvense & E. ramosissimum (Equisetaceae) extracts from northern Iraq
A.M. Ismail, T. Ouaid, M. Al-Amery, B. Maulood & W. Serson
Plant extracts of Equisetum arvense and E. ramosissimum were investigated from the Chemi Rezan and Kalar regions in Sulaymaniyah/Iraq and Iranian foothills districts during the summer of 2016. Qualitative analysis of methanol extracts indicated the presence of alkaloids, saponins, tannins and flavonoids. By using High Performance Liquid Chromatography HPLC , the flavonoid content of two Equisetum species were analyzed, and may provide useful medicinal compounds. The presence of kaempferol, kaempferol-3-O-glycoside, leutolin and querctin were found in E. arvense, with total flavonoid content of 79.5 μg/ml. The flavonoids kaempferol, kaempferol-3-O-glycoside, leutolin, myrcetin, querctin and rutin were detected in E. ramosissimum with a total flavonoid content of 8 .8 μg/ml. This is the first documented study of Equisetum horsetail ferns extracts in Iraq.
The genus Ophioglossum (Ophioglossaceae) in West Bengal, India
The genus Ophioglossum has been studied to make a list of the species occurring in West Bengal, India, along with their distribution patterns in the State. In the present investigation we have found that Ophioglossum is represented in West Bengal by five or six species, O. costatum, O. gramineum, O. parvifolium, O. pendulum, O. petiolatum and O. reticulatum. Ophioglossum pendulum, if present, and O. petiolatum are restricted to the northern part of West Bengal whereas O. gramineum typically occurs in the southern part. Ophioglossum costatum, O. parvifolium and O. reticulatum are distributed throughout the State
New fern records for the state of Morelos, Mexico: Hemionitis pinnatifida and Myriopteris longipila subsp. brevipila (Pteridaceae
A.D. Sánchez-Popoca, K. Mehltreter, K.M. Aguilar-Dorantes, R. Ramírez-Rodríguez
We report two new records of rare fern species for the state of Morelos, Mexico: Hemionitis pinnatifida and Myriopteris longipila subsp. brevipila. For both species, we describe their main characteristics, cite studied material and present photographs and distribution maps, followed by comments on their habitat characteristics, historical record, rarity, and differential characteristics to closely related species or varieties.