Debolina Dey

• PhD
• Researcher at Gauhati University

The long-lost aquatic plant of India, Aponogeton lakhonensis A. Camus (Aponogetonaceae) has been rediscovered from India after a long gap of 123 years from Poba RF, Dhemaji, Assam. So far in India, the plant has been reported only from the state of Assam and nowhere else making it a regionally threatened plant species. The present study deals with...

Sterculia striatiflora Mast, a rarely known species of Malvaceae s.l., is reported here as a new distribution record and addition to the Flora of Assam, India. A detailed description, colour photographs and other relevant information has been provided for its identification.

The present paper records the re-collection of an extremely rare plant Ceropegia lucida Wall. from the Golaghat District of Assam after a gap of 145 years. A detailed account of the plant has been given to aid in its proper identification and further conservation steps.

The species Orthosiphon thymiflorus is reported first time from the north east India. The species is morphologically similar to Orthosiphon rubicundus but can be distinguished from the latter by the absence of tuberous rootstock, presence of distinct leaf petioles and 3 lobed posterior lip. The present collection from Karbi Anglong district of Assa...

Eranthemum burmanicum N.P.Balakr. of the family Acanthaceae, subfamily Acanthoideae, so far known from Myanmar and Thailand is reported for the first time from Barail Hills of Cachar district, Assam, India. Extended taxonomic description, habitat, phenology and the first available live photographs are provided here.

Syzygium polypetalum (Wall.) Merr. & L.M. Perry, a lesser-known lithophytic and riparian jambolan species of northeastern India, Bangladesh and My-anmar is reinvestigated with special reference to its taxonomic history, dis-tributional range, habitat and morphology. An amplified description is presented here with colour photographs, illustrations a...

Syzygium namborense is described and illustrated as a new species from the Nambor Reserve Forest, Assam, India. It resembles Syzygium nervosum in having glabrous, chartaceous and aromatic leaves, paniculate inflorescences with second order branching, calyptrate flowers, numerous stamens and equal number of petals in the calyptra but differs from it...

Aponogeton lakhonensis A. Camus is rediscovered after a gap of 123 years from India. The detailed morphology of the plant along with a comparative analysis with Aponogeton natans (L.) Engler & Krause has been provided in this study supported by photographic illustrations.