A revision and one new species of Begonia L. (Begoniaceae, Cucurbitales) in Northeast India Author Camfield, Rebecca Royal Botanic Gardens Edinburgh, 20 a Inverleith Row, Edinburgh, EH 5 3 LR, United Kingdom. RCamfield@rbge.org.uk Author Hughes, Mark Royal Botanic Gardens Edinburgh, 20 a Inverleith Row, Edinburgh, EH 5 3 LR, United Kingdom. MHughes@rbge.org.uk text European Journal of Taxonomy 2018 2018-01-19 396 1 116 journal article 10.5852/ejt.2018.396 2b95a851-e1bf-4bdd-9cce-441ddc4135d2 2118-9773 3787049 Begonia hatacoa var. hatacoa Other material INDIA : Arunachal-Pradesh : Amjee to Palin, Dash 32832 ( ARUN n.v.) ; Lohit Valley, Tidding Saddle, Ward 19127 ( BM , E ) ; Mariyang, Choudhery 18470 ( ARUN n.v.) ; Subansiri District, 8 Apr. 2005 , Morris 13 ( CLEMS n.v.) ; West Kamang District, 10 Apr. 2005 , Morris 18 ( CLEMS n.v.) ; ibid., 10 Apr. 2005 , Morris 20 ( CLEMS n.v.) ; ibid., 11 Apr. 2005 , Morris 24 ( CLEMS n.v.). Assam : Cachar, Laikul, 1 May 1951 , Koelz 27838 ( MICH ) ; Menoka, 20 Feb. 1952 , Koelz 29290 ( MICH ). Manipur : Mao, Deb 1771 ( CAL n.v.) ; ibid., Deb 1773 ( CAL n.v.). Meghalaya : Khasi Hills, Sep. 1878 , Mann s.n. ( ASSAM n.v.) ; Khasi Hills, Chela, 5 Sep. 1850 , Hooker & Thomson s.n. ( K ) ; Khasi Hills, Cherrapunji, 2 Jun. 1952 , Chand 5805 ( MICH ) ; ibid., 24 Apr. 1952 , Chand 5455 ( MICH ) ; ibid., 19 Oct. 1871 , Clarke 16013 ( BM ) ; ibid., 13 Jun. 1850 , Hooker & Thomson 637 ( K ) ; ibid., 13 Jun. 1850 , Hooker & Thomson 715 ( K ) ; ibid., 1 Nov. 1850 , Hooker & Thomson s.n. ( K ) ; ibid., 1 Jun. 1952 , Koelz 30157 ( MICH ) ; ibid., 3 May 1952 , Koelz 29630 ( MICH ) ; ibid., 1 May 1952 , Koelz 29586 ( MICH ) ; ibid., 21 Jul. 1952 , Koelz 30731 ( MICH ) ; ibid., 29 Jul. 1952 , Koelz 30911 ( MICH ) ; ibid., 22 Jul. 1952 , Koelz 30771 ( MICH ) ; ibid., 14 Aug. 1952 , Koelz 31118A ( MICH ) ; Khasi Hills, Nongphoh, 5 Jul. 1949 , Koelz 23064 ( MICH ) ; ibid., 3 May 1949 , Koelz 22640 ( MICH ) ; Khasi Hills, Pynursla, 28 Aug. 1949 , Chand 2083 ( MICH ) ; ibid., 16 Aug. 1949 , Koelz 23514 ( MICH ) ; Khasi Hills, Walong, 21 Oct. 1871 , Clarke 16234B ( BM ) ; Khasia, 11 Nov. 1850 , Hooker & Thomson s.n. ( BM , E , K ) ; Sillet Hills, 1832, Silva & Bruce s.n., Wallich Cat. No. 3679B (K-W, barcode K 001112054) ; Sillet Hills, Jaflong, 25 Aug. 1908 , Craib 443 ( K ). Mizoram : Lungleh, Jan. 1927 , Parry 90 ( K ) ; ibid., Jul. 1927 , Parry 90 ( K ) ; Lushai Hills, Aijal, 23 Mar. 1951 , Chand 4279 ( MICH ) ; ibid., 26 Jan. 1953 , Chand 6741 ( MICH ) ; Lushai Hills, Chekawn, 10 Jul. 1927 , Parry 249 ( K ) ; Lushai Hills, Sangau, 21 Feb. 1953 , Chand 6883 ( MICH ) ; Sabual, Deb 27263 ( CAL n.v.) ; Saithah, Singh 92945 ( CAL n.v.). Description Plant 15–35 cm high. Stem: ca 10 mm wide, internodes 3–15 cm long. Stipules: 5–24 mm long. Leaves: petiole 4–15(–20) cm long, lamina slightly asymmetric to asymmetric, upper surface dark green with white spots between the veins or green without spots, underside red-purple, sparsely puberulous hairs on veins mostly; margin entire to minutely denticulate. Inflorescence: bracts 12–20 × 8–10 mm . Fruit: capsule 6–14 × 2–8 mm .