(在中国)很少，新嫩枝intravaginal或extravaginalintravaginal，pseudointravaginal但是具退化或不发育下部叶片和
弱prophyl。
new shoots intravaginal or extravaginal, rarely (in China) pseudointravaginal, intravaginal but with reduced or rudimentary lower leaf blades and weakly differentiated prophyl.
例句、词性
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