Neanotis prabhuii, a new species of Rubiaceae from Western Ghats, India Author Sunil, Chandrasseril Narayanan 0000-0003-3124-617X DST-FIST Research Department of Botany, S. N. M. College, Maliankara P. O., Ernakulam 683 516, Kerala, India & drcnsunilsnmc @ gmail. com; https: // orcid. org / 0000 - 0003 - 3124 - 617 X drcnsunilsnmc@gmail.com Author Salim, Pichan Mohammed 0000-0001-8692-0884 M. S. Swaminathan Research Foundation, Puthoorvayal P. O., Wayanad 673 121, Kerala, India & salimpichan @ yahoo. com; https: // orcid. org / 0000 - 0001 - 8692 - 0884 salimpichan@yahoo.com Author Narayanan, Matalai Kokkarammath Ratheesh 0000-0002-5668-6377 Department of Botany, Payyanur College, Edat P. O., Kannur 670 327, Kerala, India & drratheeshpoduval 73 @ gmail. com; https: // orcid. org / 0000 - 0002 - 5668 - 6377 drratheeshpoduval73@gmail.com Author Nithya, Vadassery Madhanan 0000-0003-0770-197X DST-FIST Research Department of Botany, S. N. M. College, Maliankara P. O., Ernakulam 683 516, Kerala, India & nithyamadhananv @ gmail. com; https: // orcid. org / 0000 - 0003 - 0770 - 197 X nithyamadhananv@gmail.com Author Sanilkumar, Malayil Gopalan 0000-0002-3943-4266 DST-FIST Research Department of Botany, S. N. M. College, Maliankara P. O., Ernakulam 683 516, Kerala, India & sanilmgs @ yahoo. com; https: // orcid. org / 0000 - 0002 - 3943 - 4266 sanilmgs@yahoo.com Author Anilkumar, Nadesapanicker 0000-0001-9875-2195 M. S. Swaminathan Research Foundation, Puthoorvayal P. O., Wayanad 673 121, Kerala, India & anil @ mssrf. res. in; https: // orcid. org / 0000 - 0001 - 9875 - 2195 anil@mssrf.res.in text Phytotaxa 2021 2021-12-03 527 3 234 238 journal article 3118 10.11646/phytotaxa.527.3.8 7c39c74e-83f0-40ea-8c8b-7e3839bb630a 1179-3163 5751425 Key to the species of Neanotis in Western Ghats 1a. Capsule indehiscent ............................................................................................................................................................................2 1b. Capsule dehiscent ...............................................................................................................................................................................4 2a. Stem broadly winged, the wings 1–1.5 mm broad, inflorescence dichasial corymbose cyme; flowers heterostylous..... N. prabhuii 2b. Stem not winged or narrowly winged; inflorescence capitate; flowers homostylous........................................................................3 3a. Calyx lobes and capsules villous................................................................................................................................. N. nummularia 3b. Calyx lobes and capsules glabrous .................................................................................................................................. N. wightiana 4a. Leaves fleshy...................................................................................................................................................................... N. carnosa 4b. Leaves membranous .......................................................................................................................................................................... 5 5a. Flowers in clusters or capitate ............................................................................................................................................................6 5b. Flowers in dichasial cyme or solitary.................................................................................................................................................8 6a. Ovary 3–4-locular.............................................................................................................................................................. N. tubulosa 6b. Ovary 2-locular...................................................................................................................................................................................7 7a. Leaves sessile, linear; capsule cells 4 – 5-seeded................................................................................................................ N. subtilis 7b. Leaves petioled, ovate or lanceolate; capsule cells 1 – 3-seeded .................................................................................. N. montholoni 8a. Leaves sessile or subsessile ................................................................................................................................................................9 8b. Leaves with distinct petiole more than 5 mm long...........................................................................................................................11 9a. Seeds 20–40 per capsule.................................................................................................................................................... N. calycina 9b. Seeds up to 16 per capsule................................................................................................................................................................10 10a. Branchlets villous; flowers in tomentose cyme; calyx lobes strigose without...................................................................... N. indica 10b. Branchlets glabrous; flowers in glabrous cyme; calyx lobes glabrous.......................................................................... N. sahyadrica 11a. Capsule dehiscing septicidally .........................................................................................................................................................12 11b. Capsule dehiscing loculicidally........................................................................................................................................................13 12a. Procumbent herb; capsule broader than long ............................................................................................................. N. monosperma 12b. Erect herb; capsule longer than broad ........................................................................................................................... N.richardiana 13a. Flowers in dense–flowered villous cyme ........................................................................................................................ N. longiflora 13b. Flowers solitary or in loose – flowered glabrous cyme or panicle...................................................................................................14 14a. Pilose herbs; stipule inconspicuous; corolla lobes with two parallel pink lines.............................................................. N. prainiana 14b. Glabrous or sparsely hairy herbs; stipule conspicuous; corolla lobes without two parallel pink lines ............................................15 15a. Annual herbs with quadrangular stem..............................................................................................................................................16 15b. Perennial herbs with terete stem.......................................................................................................................................................17 16a. Corolla lobes hairy; anthers oblong; seeds 2–4 in each cell............................................................................................... N. latifolia 16b. Corolla lobes glabrous; anthers linear; seeds many in each cell .......................................................................................... N.rheedei 17a. Capsule subglobose; calyx lobes triangular, sub erect in fruit ......................................................................................... N. decipiens 17b. Capsule broader than long; calyx lobes lanceolate, deflexed in fruit................................................................................ N.lancifolia