Vadakkoot Sankaran Hareesh

Impatiens roingensis (Balsaminaceae): a new species from northeast India

Impatiens roingensis from Arunachal Pradesh, northeast India, is described as new. A detailed description of the plants, their distribution and ecology along with colour photographs are provided for ease of identification.

Amomum riwatchii (Zingiberaceae): a new species from northeastern India

Abstract Amomum riwatchii, a new species of Zingiberaceae from northeastern India is described and illustrated. It is similar to A. carnosum, but differs from the latter in having non-stoloniferous rhizome, oblong lanceolate lamina, 5−6 mm long ligule with entire apex, broadly ovate or orbicular dark red thick outer bract, calyx lobes with cuspidate or horned apex, oblong labellum with entire apex and non-winged capsule.

Impatiens zironiana (Balsaminaceae), a new species from Arunachal Pradesh, Northeastern India

Abstract Impatiens zironiana, a new species of Impatiens from Lower Subansiri district of Arunachal Pradesh, northeast India is described and illustrated. Detailed descriptions, distribution and ecology along with colour photographs are provided.