中国凤仙花属一新记录种——三瓣凤仙花

Impatiens tripetala(Balsaminaceae),a new record species of Impatiens from China

报道了产自中国云南的凤仙花属一新记录种:三瓣凤仙花(Impatiens tripetala Roxb.ex DC.)。该种原产于孟加拉国和印度,本次在中国为首次发现。该种与缅甸凤仙花(I.aureliana Hook.f.)外形相似,但前者花单生或簇生,唇瓣囊状,深10~17 mm,距长5.5~8 mm,蒴果光滑,以此与后者相区别。凭证标本存放于湖南师范大学植物标本馆(HNNU)。

Impatiens tripetala Roxb.ex DC.is reported here as a new record species from China.It is already known from Bangladesh and India.This species is similar to I.aureliana Hook.f.in morphology,but differs from I.aureliana in flowers solitary or fascicled,lower sepal saccular,10-17 mm deep,spur 5.5-8 mm long,and capsule glabrous.Voucher specimens are deposited in the Herbarium of Hunan Normal University(HNNU).