Abstract
Two new species of Gesneriaceae, Henckelia nanxiheensis Lei Cai & Z.L.Dao, sp. nov. and H. multinervia Lei Cai & Z.L.Dao, sp. nov. from southeastern Yunnan, China, are described with color photos. The diagnostic characters of the two new species, together with photographs, detailed descriptions, distribution and habitat, as well as comparisons with morphologically similar species, are also provided.
Highlights
The circumscription of the genus Henckelia Spreng. (Gesneriaceae) has been redefined by Weber et al based on molecular and morphological evidence (Weber and Burtt 1998; Weber et al 2011)
Southwest China harbors a high diversity of Henckelia, and more than 20 species of Henckelia, which were originally described under the names of Hemiboeopsis W.T
The new species is most similar to H. ceratoscyphus in its habitat and floral characteristics, but can be distinguished from the latter by having long-elliptic to broadly lanceolate leaf blade; more lateral veins up to 12–22 pairs; the horn-like apex up to 1/4–1/3 of the length of calyx; the corolla glandular pubescent outside, the glandular pubescent style; and the ca. 2 mm long stigma
Summary
The circumscription of the genus Henckelia Spreng. (Gesneriaceae) has been redefined by Weber et al based on molecular and morphological evidence (Weber and Burtt 1998; Weber et al 2011). Möller in the indumentum characteristics of the whole plant and hornlike apex of the calyx, but differs from them both in the shape of leaf blade, calyx lobes, size of corolla, indumentum of pedicel and pistil.
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