Raphiocarpus tamdaoensis sp. nov. (Gesneriaceae) from Vietnam

A new species of Gesneriaceae, Raphiocarpus tamdaoensis V. X. Phuong, D. T. Xuyen & Y. G. Wei, is described and illustrated from Vietnam. It is similar to R. asper (Drake) B. L. Burtt and R. evrardii (Pellegr.) B. L. Burtt, but is easily differentiated by leaf blades being ovate–elliptic or obovate, 4–10 × 1.5–3.5 cm, one cyme with only one flower, peduncle linear, 3.0–5.0 cm long, corolla light yellow, 3.0–4.5 cm long, and a pubescent ovary.     

Thottea sasidharaniana sp. nov. (Aristolochiaceae) from Peninsular India

Thottea sasidharaniana (Aristolochiaceae), a new species from the southern part of the Western Ghats, India is described and illustrated. The new species is phenotypically close to the Indian species T. dinghoui. However, it differs from the latter in its ovate and glossy leaves, larger bracts, uniseriate stamens, 6 anthers, short and pubescent filaments and fewer seeds per fruits. It resembles T. tomentosa in having 6 distinct anthers, but the non‐urceolate flowers and the inflorescence architecture distinguish T. sasidharaniana from T. tomentosa. The latter species is distributed from Bangladesh, India (i.e. Andaman and Nicobar Islands, Assam, Manipur), Thailand, Malaysia, Java, Sumatra to the Philippines.     

Hemiboea lutea sp. nov. (Gesneriaceae) from Guangxi,China

Hemiboea lutea F. Wen, G. Y. Liang & Y. G. Wei, a new species in Gesneriaceae is described and illustrated from Guangxi, China. It differs from the similar species H. cavaleriei by having sessile or subsessile leaves, longer peduncles (6–10 cm), spheroidal or triangular‐spheroidal subinvolucre, 5‐divided calyx with lobes fused for 1/3 of their length, revolute and uncinate apex of calyx lobes, larger bright yellow corolla (5–7 cm long), longer staminodes with indistinctively uncinate anther and longer pistil (3.5–3.7 cm).     

Primulina duanensis sp. nov. (Gesneriaceae) from Guangxi,China

A new species of Gesneriaceae, Primulina duanensis Fang Wen & S. L. Huang is described and illustrated from Guangxi, China. It differs from P. ronganensis (D. Fang & Y. G. Wei) Mich. Möller & A. Weber in having broadly lanceolate bracts, being 1–3‐flowered and possessing hairs on the upper part of the anthers where connected with the filaments; from P. sclerophylla (W. T. Wang) Yan Liu in having narrowly ovate to ovate leaf blade, leaf blade margin interrupted shallowly crenate, broadly lanceolate bracts, being 1–3‐flowered and possessing hairs on the upper part of the anthers where connected with the filaments; from P. shouchengensis (Z. Y. Li) Z. Y. Li in having narrowly ovate to ovate leaf blade, leaf blade margin interrupted shallowly crenate, broadly lanceolate bracts and possessing hairs on the upper part of the anthers where connected with the filaments.     

Primulina melanofilamenta sp. nov. (Gesneriaceae) from Guangxi,China

A new species of Gesneriaceae, Primulina melanofilamenta Ying Liu & F. Wen from Guangxi, China, is illustrated and described. It is morphologically distinct from the most similar species P. eburnea and P. atroglandulosa by the color of the corolla, dark purplish black filaments, anthers backed with a beard of white hairs, the length of staminodes and the hairs of styles. The somatic chromosome number of P. melanofilamenta is also reported as 2n = 36.     

Chirita tiandengensis (Gesneriaceae) sp. nov. from Guangxi,China

Chirita tiandengensis Fang Wen & Hui Tang, a new species of Chirita from Guangxi, China, is described and illustrated. The new species is similar to C. napoensis Z. Y. Li, C. lunglinensis W. T. Wang and C. obtusidentata W. T. Wang, but differs by leaf blades ovate‐lanceolate, both surfaces sparsely strigulose; cymes 5‐ or 8‐flowered, bracts narrowly lanceolate, 6–8×1.5–2.0 mm; larger flowers (3.8–4.6 cm long), pink corolla, infundibuliform‐tubular tube; backside of anthers puberulous, filaments straight; staminodes glabrous, fused on the capitate top; stigma bipartite to the base with narrowly lanceolate lobes.     

Primulina petrocosmeoides sp. nov. (Gesneriaceae) from Guangxi,China

Primulina petrocosmeoides Bo Pan & Fang Wen sp. nov. (Gesneriaceae) from Guangxi, China, is described and illustrated. This new species is similar to P. weii Mich. Möller & A. Weber, but differs from it in leaf blade ovate to elliptical, 1.0 × 0.8 to 2.5 × 2.0 cm, leaf base broadly cuneate, cymes 5–16, 2–6‐flowered, bracts narrowly lanceolate, calyx lobes lanceolate, 4.0–6.5 mm long, corolla bluish purple, 1.2–1.5 cm long, pubescent outside but glabrous inside, filaments purple, pubescent, staminodes 3, stigma trapezoid with its apex lobed to the middle and with dense short papillae.     

Primulina maciejewskii sp. nov. (Gesneriaceae) from Guangdong,China

Primulina maciejewskii F. Wen, R.L. Zhang & A.Q. Dong, a new species of Primulina (Gesneriaceae) from Guangdong, China, is described and illustrated. It is similar to P. lobulata and P. danxiaensis in leaf and flower shape, but can be distinguished by bract shape, peduncle, pedicel, and bract size, filament and anther indumentum, and number of bracts, staminodes and stigma.     

Didymocarpus tonghaiensis sp. nov. (Gesneriaceae) from Yunnan,China

Didymocarpus tonghaiensis J. M. Li & F. S. Wang sp. nov. from Yunnan, China, is illustrated and described. It is morphologically similar to D. stenanthos C. B. Clarke, but differs by having a densely glandular peduncle, 5‐lobed calyx with lobes that are free to the base, larger corolla, anther with white woolly hairs and a densely glandular‐hairy capsule.     

Petrocodon multiflorus sp. nov. (Gesneriaceae) from Guangxi,China

Petrocodon multiflorus F. Wen & Y. S. Jiang sp. nov. (Gesneriaceae) is described and illustrated. It is most similar to P. dealbatus Hance, but can be distinguished by its leaf lamina texture, shape of leaf margins, and by the number of cymes borne by an individual plant and the number of flowers in each cyme. A key to the species of Petrocodon is provided.     

Primulina lutescens sp. nov. (Gesneriaceae) from southern Guangxi,China

Primulina lutescens B. Pan & H. S. Ma, a new species of Gesneriaceae from Guangxi Zhuangzu Autonomous Region, China, is illustrated and described. The new species morphologically resembles Primulina carinata Y. G. Wei, F. Wen & H. Z. Lü, but it differs in leaf, floral characteristics and flowering time. The conservation status of P. lutescens is asessed as ‘Endangered’ (EN) according to the IUCN red list categories and criteria.     

Didymocarpus dissectus sp. nov. (Gesneriaceae) from Fujian,eastern China

A new species of Gesneriaceae, Didymocarpus dissectus Fang Wen, Y. L. Qiu & Y. G. Wei, from Fujian province, China, is described and illustrated. It is similar to D. heucherifolius in flower shape, but can be easily distinguished by leaf blade shape, split extent of calyx and equal calyx lobes, indumentum of corolla and number of staminodes.     

Primulina xiziae sp. nov. (Gesneriaceae) from Zhejiang Province,China

A new species of Gesneriaceae, Primulina xiziae Fang Wen, Yue Wang & G. J. Hua, from Zhejiang Province, China, is identified, illustrated and described. It resembles the widespread P. eburnea, and the stenochoric P. pseudoeburnea, but differs by the leaf blades being ovate‐elliptic or ovate, chartaceous with ciliate margins, 8.5–13.8 mm long, slender peduncle, ovate, ca 1.2 × 1.0 cm large bracts that are generally withered but persistent before full‐blooming stage, slender tubular‐infundibuliform, ca 25.0 × 7.5 mm corolla tube, limb lobes with acute apices, 3 staminodes, and by forming a dormancy bud in winter.     

Chiritopsis danxiaensis sp. nov. (Gesneriaceae) from Mount Danxiashan,south China

A new species of Chiritopsis (Gesneriaceae), C. danxiaensis W. B. Liao, S. S. Lin & R. J. Shen, is described and illustrated from Mount Danxiashan, Guangdong Province, China. The new species is morphologically closely related to C. lobulata and C. cordifolia, but is characterized by having denticulate bracts, yellowish corolla, 2 glabrous staminodes and longer style. A revised key to all species of the genus is also provided.     

Boeica konchurangensis sp. nov. (Gesneriaceae) from Gia Lai plateau,Vietnam

Boeica konchurangensis B.H.Quang, D.V.Hai & Mich.Möller, a new species of Gesneriaceae from the Gia Lai Province of Vietnam is described, illustrated, and colour photographs of the species are provided. This new species has an almost actinomorphic corolla and shows morphological similarities with B. porosa, but differs from it by a shorter peduncle, a near‐actinomorphic purple corolla with a distinctly broad campanulate tube and a shorter capsule.     

Studies on the Alocasia clade (Araceae) of Peninsular Malaysia I: Alocasia farisii sp. nov. from limestone in Kelantan

Alocasia farisii Zulhazman, Norzielawati & P. C. Boyce is described and illustrated from Karst limestone in Kelantan as the first recorded Peninsular Malaysian species of the hitherto wholly Bornean Alocasia princeps complex, within which A. farisii most closely resembles the southwest Sarawak limestone‐obligated Alocasia reversa N. E. Br.     

Chirita leprosa sp. nov. (Gesneriaceae) from limestone areas in Guangxi,China

Chirita leprosa Yan Liu & W. B. Xu, a new species of Gesneriaceae from Guangxi, China, is described and illustrated. The new species is similar to C. wangiana Z. Y. Li, but differs by the leaf blade being elliptic to broadly elliptic, bracts broadly ovate, corolla pale yellow, filaments ca 9 mm long, geniculate near the middle, staminodes 3, and by a different flowering period (Oct–Nov).     

Primulina suichuanensis sp. nov. (Gesneriaceae) from Danxia landform in Jiangxi,China

Primulina suichuanensis X. L. Yu & J. J. Zhou, a new species of Gesneriaceae from Jiangxi, China, is described and illustrated. Morphologically, the new species is most similar to P. roseoalba, but differs by entire leaf blade margin, narrowly ovate bracts, reddish–purple or bluish–purple corolla, 3.0–3.4 cm long corolla tube, white filaments, and 3.6 cm long pistil. It flowers from September to November.