sinensis u2018 jason blue u2019 propagation u2014 by cuttings time to initiate rooting u2014 approximately 14 to 21 days at 21 24 u00b0 c time to develop roots u2014 approximately 42 to 56 days at 21 24 u00b0 c root description u2014 fine to medium fibrous freely branching size u2014 height approximately 40 50 cm in a 2 pot from soil level to top of flowers diameter spread approximately 40 50 cm in a 2 pot form and growth habit u2014 perennial evergreen shrub mostly upright and somewhat spreading branching u2014 freely branching about 4 to 8 lateral branches develop after pinching lateral branches approximately 19 cm long and 4 mm in diameter color young u2014 146b mature u2014 199d internode length approximately 4 cm shape u2014 cordate apex acute base cordate leaf size u2014 approximately 11 cm long and 9 cm wide arrangement u2014 alternate single symmetrical margin u2014 crenate aspect u2014 undulate texture u2014 glabrous shiny coloration u2014 young foliage upper side near yellow green group 146a under side near yellow green group 146b mature foliage upper side near yellow green group 147a under side near yellow green group 147b petioles u2014 size approximately 4 cm in length approximately 2 mm in diameter coloration near yellow green group 147a texture smooth bloom period u2014 typically year round under subtropical and tropical conditions flower arrangement u2014 arranged singly at terminal leaf axils free flowering with 3 to 4 flower buds and or open flowers per.