Lectotypification of the name Impatiens toppinii Dunn, a new addition of the species for flora of India

Abstract

Impatiens toppinii Dunn (Balsaminaceae) was re-collected after a century from Arunachal Pradesh, India. The species was earlier known only from Kachin hills, Myanmar. A lectotype is designated, a detailed description from live material and coloured illustrations for easy identification are provided.

Impatiens tatoensis (Balsaminaceae): a new species from Arunachal Pradesh, Northeast India and notes on lectotypification of the name I. spirifera Hook.f. & Thomson

“…Northeast India harbours a great wealth of flora that is still poorly known. One of the most striking examples of this species richness is demonstrated by Impatiens L. Recent expeditions of remote areas of Arunachal Pradesh and neighboring states have collected material of Impatiens, which has resulted in several new species descriptions (Gogoi and Borah 2013a, 2014Hareesh et al 2016), rediscoveries, and extensions of known distribution (Gogoi and Borah 2013b;Gogoi et al 2013Gogoi et al , 2015Borah et al 2015;Odyuo et al 2015;Verma et al 2016).…”

<I>Impatiens dorjeekhanduii</I> (Balsaminaceae) a New Species of Impatiens from Arunachal Pradesh, India

“…These sets of circumstances give opportunity to numerous botanical discoveries. Indeed, in recent years numerous new species from this genus were described from Himalayas and adjacent territories (Cong & al., 2013, Gogoi & Borah 2013a, 2014, 2015c, 2015d, Gogoi & al., 2017aCai & al., 2015, Tan & al., 2015, Tanaka & al., 2015, Hareesh & al., 2016a, 2016b, 2017a, Hareesh & Sabu 2017Liden & Bharali 2017, Moaakum & al., 2017Yang & al., 2017), as well as rediscoveries (Gogoi & al., 2013c, Odyuo & al., 2015 and distribution extensions (Gogoi & Borah 2013b, Borah & al., 2015, Gogoi & al., 2015aGuo & al., 2016;Verma & al., 2016) were made. During expedition in westernmost part of Arunachal Pradesh in September 2017, a few impatiens were collected by two of us (KC & SSD) and after critical studies of collected herbarium material, types of similar species and perusal of literature (Hooker and Thomson 1860;Hooker 1875Hooker , 1904Hooker -1906Hooker , 1908aHooker , 1908bHooker , 1910Hooker , 1911Toppin 1920;Grey-Wilson 1989, 1991Chen 1980, Vivekananthan & al., 1997…”

Impatiens cyclosepalaHook. f. ex W.W. Sm. – a new species record for the flora of India from Arunachal Pradesh

“…In India, genus Impatiens is represented by more than 210 species (Vivekananthan et al 1997;Bhaskar 2012) of which 137 species are endemic (Vivekananthan et al 1997;Swaminathan et al 2001) and have not been well documented from Arunachal Pradesh, a part of the Eastern Himalaya. In recent years, many new species of Impatiens were discovered from the region (Gogoi & Borah 2013a, 2014, 2015a, 2015b, 2015c, 2015d, 2015e, 2017a, Gogoi et al 2017aHareesh et al 2016aHareesh et al , 2016bHareesh et al , 2017aHareesh et al , 2017bHareesh & Sabu 2017;Lidén & Bharali 2017;Hareesh et al 2017), as well as rediscoveries (Gogoi et al 2013), and distribution extensions (Gogoi & Borah 2013b, Borah et al 2015, Gogoi et al 2015a, 2015b, 2016 were reported.…”