The leaves are oblong to elliptic , obtuse at the apex .
The leaves shortly attenuate at the base , clasping the stem by approximately two - thirds of its circumference and becoming decurrent for 2 -- 3 cm .
The leaves are oblong to elliptic , obtuse at the apex and shortly attenuate at the base , clasping the stem by approximately two - thirds of its circumference and becoming decurrent for 2 -- 3 cm .