Camellia velutina (Theaceae, Sect. Chrysantha), a new species from northern Vietnam

Abstract

Camellia velutina V.T. Pham, V.D. Luong & Aver. found in Phu Tho province, northeastern Vietnam is described and illustrated. The comparison between the new species and closely related species is provided.

Camellia puhoatensis (Sect. Archecamellia – Theaceae), a new species from Vietnam

“…Pham et al of sect. Chrysantha (Pham et al 2019) by somewhat oblong leaves, yellow flowers and glabrous stamens. However, Camellia dormoyana is easily distinguished from C. puhoatensis by having the young shoots, mature leaves and petioles all glabrous, the sessile pedicel and 5-6 bracteoles abaxially velutinous, the abaxial petals silky velutinous, the ovary being glabrous and with five locules and the styles united for their entire length and glabrous.…”

“…The general introduction to the genus, with particular focus on Vietnam, was given in recent publications by various authors (e.g. Orel et al 2012Orel et al , 2013Orel et al , 2014aLuong et al 2016a;Nguyen et al 2018;Pham et al 2019;Do et al 2019a, b). So far, more than 75 species of Camellia have been reported in Vietnam, with many localised endemic species (e.g.…”

“…So far, more than 75 species of Camellia have been reported in Vietnam, with many localised endemic species (e.g. Pitard 1910;Gagnepain 1941;Rosmann 1999;Tran 1998a, b;Pham 2000;Hakoda and Tran 2001;Hakoda et al 2007;Orel 2006;Orel andWilson 2010a, b, 2012a, b;Orel and Curry 2014;Orel et al 2012Orel et al , 2013Orel et al , 2014aLuong 2012, 2013;Le 2013, 2015;Luu et al 2015Luu et al , 2018Luong et al 2016a, b;Le et al 2017;Nguyen et al 2018;Pham et al 2019;Do et al 2019a, b), but the actual number is expected to be higher in the near future Luong 2016, Do et al 2019b).…”

“…During recent extensive floristic surveys in the North Central coastal region in Vietnam, several interesting species of Camellia in yellow flower were collected by one of us (N.-D. Do) and colleagues in 2018-2019 (e.g. Tran and Luong 2013;Tran and Le 2015;Luong et al 2016a, b;Le et al 2017;Nguyen et al 2018;Pham et al 2019;Do et al 2019a, b). Critical examination of living flowers, dried specimens and comparison with type material and protologues of all related yellow Camellia in Vietnam and China (e.g.…”

“…Morphological comparison of C. puhoatensis with its most closely-related taxa (based onSealy 1958;Chang and Bartholomew 1984;Tran and Hakoda 1998;Pham et al 2019).…”