Aspidistra yuelushanensis (Asparagaceae), a new species from Hunan, China Author Deng, Chuang-Fa 0000-0002-1052-3513 College of Forestry, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China. & 2903014695 @ qq. com; https: // orcid. org / 0000 - 0002 - 1052 - 3513 2903014695@qq.com Author Wu, Lei 0000-0003-1451-7855 College of Forestry, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China. & wuleiibk @ 163. com; https: // orcid. org / 0000 - 0003 - 1451 - 7855 Author Yu, Xun-Lin 0000-0003-2525-0543 College of Forestry, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China. & 250437520 @ qq. com; https: // orcid. org / 0000 - 0003 - 2525 - 0543 250437520@qq.com Author Xu, Yong-Fu 0000-0001-9878-332X College of Forestry, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China. & csfuxyf @ 163. com; https: // orcid. org / 0000 - 0001 - 9878 - 332 X Author Li, Jia-Xiang 0000-0003-0478-1409 College of Forestry, Central South University of Forestry and Technology, Changsha, 410004, Hunan, China. & csfuljx @ 163. com; https: // orcid. org / 0000 - 0003 - 0478 - 1409 text Phytotaxa 2021 2021-01-29 482 2 183 190 http://dx.doi.org/10.11646/phytotaxa.482.2.6 journal article 10.11646/phytotaxa.482.2.6 1179-3163 5419037 Key to species of Aspidistra in Hunan Province 1. Leaf blade lorate to lorate-oblanceolate, no wider than 2.5 cm .........................................................................................................2 - Leaf blade oblong-lanceolate to narrowly elliptic, oblanceolate-oblong, narrowly lanceolate, elliptic-lanceolate; leaf blade wider than 2.8 cm .........................................................................................................................................................................................3 2. Perianth urceolate, 4.5–5 × 4–6 mm .............................................................................................................................. A. minutiflora - Perianth campanulate, tube 1–1.2 × 1.3–1.5 cm ........................................................................................................... A. hainanensis 3. Stamens inserted at middle of perianth tube.......................................................................................................................................4 - Stamens inserted middle-lower or proximally in perianth tube .........................................................................................................5 4. Stamens positioned higher than stigma ................................................................................................................................ A. triloba - Stamens positioned lower than stigma ......................................................................................................................... A. hezhouensis 5. Stigma 4-lobed at margin ...................................................................................................................................................................6 - Stigma 3-lobed at margin ........................................................................................................................................ A. yuelushanensis 6. Stigma strongly convex, lobes entire, lobes margins not held erect...................................................................................... A. lurida - Stigma slightly or not convex, lobes emarginate at apex, lobes margins held erect ..........................................................................7 7. Leaf blade oblanceolate-oblong .............................................................................................................................. A.fenghuangensis - Leaf blade oblong-lanceolate, lanceolate, or subelliptic, not oblanceolate-oblong ...........................................................................8 8. Leaf blade 20–45 × 6–10 cm , margins entire; keels of perianth lobes strongly fleshy, not papillose; pistil 8 mm long. The grooves between 3 to 4 pairs of ridges on the upper surface of stigma are irregular.......................................................................... A. elatior - Leaf blade 20–35 × 4–8 cm , margins serrulate; keels of perianth lobes not fleshy, papillose; pistil 4 mm long. The grooves between 3 to 4 pairs of ridges on the upper surface of stigma are regular ................................................................................ A. sichuanensis