作 者 ：Qiu Jun-Zhuan, Hong De-Yuan
期 刊 ：植物分类学报 1990年 5期
关键词：沙参属缢花沙参松叶沙参染色体数目；
Keywords:Adenophora, A.contracta, A.pinifolia, Chromosome number,
Abstract:
Two species, Adenophora contracta J. Z. Qu et Hong and A. pinifolia Kitag.,
are treated and described in this paper. The former species was originally treated as a va-
riety, A. polyantha Nakai var. contracta Kitag. Based on gross morphology, this taxon is
found to be very distinct, so that it is here treated as a separate species A. contracta (Kitag.)
J. Z. Qu et Hong. With much smaller corollas strongly contracted at the throat, much smal-
ler corolla lobes and smaller fruits, calyx lobes and seeds, it can easily be distinguished from
A. polyantha Nakai. Its chromosome number is 2n=34. A. pinifolia was once considered a
doubtful species (Hong, Fl. Reip. Pop. Sin. 73(2): 139, 1983) mainly because the original de-
scription for this entity is so similar to the description for A. gmelinii. The problem was
further compounded by the lack of herbarium material. Collections made near its type loca-
lity, intended to rectify this deficiency, further clarified this species status: Its chromosome
number is also 2n=34.