Impatiens dasyvexilla, a New Species of Impatiens (Balsaminaceae) from Hubei, China

Abstract

A new species of Impatiens L. from Hubei, China, I. dasyvexilla Q. L. Gan & X.W. Li, is described and illustrated in this paper. This species is closely allied with I. blepharosepala E. Pritz. in having leaves that are crowded at the upper part of the stem and lateral sepals that are ciliate at the margin. However, I. dasyvexilla is distinctive in its hirsute dorsal petal, conical glands at the leaf base, densely pubescent pedicel, and distal lobe of united petals cleft at the inner side. This new species should belong to Impatiens sect. Impatiens.

Description of a New Species and Lectotypification of Two Names in Impatiens Sect. Racemosae (Balsaminaceae) from China

“…Specimens were collected, preserved, and deposited in the Herbarium of Wuhan Botanical Garden, Chinese Academy of Sciences (HIB) for further identification. We then dissected the flower and carefully reviewed related literature [14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29][30]36,37] and herbaria specimens in a bid to ascertain the identity of the collected species. However, we were unable to match the new plants with any described species based on morphology.…”

“…The Flora of China lists 227 species, of which 187 are endemic [14]. According to Du et al [15], a total of 69 new taxa of Impatiens have been described in China between 2000 and 2019, and 13 new taxa [16][17][18][19][20][21][22][23][24][25][26][27][28] and three new records [28][29][30] have been published in the last two years, bringing the total species reported for China to nearly 290.…”

Impatiens sikaiensis sp. nov. (Balsaminaceae) from Sichuan, China

“…Chen Yilin (Chen et al 2008) reported 228 known species of Impatiens in China, of which 187 are endemic, while Yu Shengxiang (Yu 2012) reported the discovery of approximately 270 species in China. With the expansion of our research, in recent years numerous new species have been successively found and documented (Peng et al 2019, Zhang et al 2020a, b), with over 20 new species discovered between 2019 and 2021 (Xia et al 2019a, b, Gan and Li 2020a, b, Gan et al 2020, Lu et al 2020, Peng et al 2020, 2021a, b, Qin et al 2020, Wang et al 2020a, Xue et al 2020, Zhang et al 2020a, Zou et al 2020, Liao et al 2021, Song et al 2021a, b, c). At present, approximately 290 species of Impatiens are documented from China.…”