(在中国)很少,新嫩枝intravaginalextravaginalintravaginal,pseudointravaginal但是具不发育下叶片和身体虚弱prophyl。
new shoots intravaginal or extravaginal, rarely (in China) pseudointravaginal, intravaginal but with reduced or rudimentary lower leaf blades and weakly differentiated prophyl.