Henckelia connata (Gesneriaceae), a new species from eastern Himalayas, China

According to morphological observation and literature consultation, a new species of Henckelia (Gesneriaceae), H. connata X. Z. Shi & Li H. Yang, is described and illustrated. This new species resembles H. dimidiata, but differs in its dilated and connate petiole bases (versus separated), longer peduncles (4-10 cm long versus 0.3-2.2 cm long) and pedicels (1.5-4.0 cm long versus up to 1 cm long), lanceolate to triangular bracts (versus ovate), of smaller size (4-7 x 3-5 mm versus up to 16 x 13 mm), bluish purple to light blue corolla tube (versus yellow) and pubescence on most organs (glabrous or sparsely pubescent).