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Korean J. Pl. Taxon > Volume 41(2); 2011 > Article
Korean Journal of Plant Taxonomy 2011;41(2): 108-112.
doi: https://doi.org/10.11110/kjpt.2011.41.2.108
한국산 백운풀속(꼭두서니과)의 화분학적 연구
남보미 , 정규영
A Palynological Study of the Korean Oldenlandia L. (Rubiaceae)
Bo Mi Nam, Gyu Young Chung
Received: March 10, 2011   Accepted: May 17, 2011
The pollen of 5 taxa on Korean Oldenlandia L. was investigated by LM and SEM. The pollen grains were monads, 20.7-36.0 μm in polar length, with an equatorial diameter of 21.0-38.4 μm. The pollen shapes were oblate-spheroidal or spherical (P/E ratio 0.93-1.00). The apertures numbered 3-7 in number, colporate in shape, with a colpus length of 4.2-20.4 μm and a colpus width of 2.6-3.4 μm. The sexine was 0.9-2.4 μm in terms of its thickness, the surface pattern was reticulate, scabrate or neither. Based on these results, the size of the pollen grain, the number of apertures, and the surface pattern of the sexine were all useful for an interspecific classification. The genus Neanotis, established via the pollen characteristics, was thought to be reviewed in its entity regarding the continuous variation of generic characteristics.
KeyWords: Oldenlandia, Pollen size, Aperture, Scabrate
주요어: 백운풀속, 화분크기, 발아구, 미립돌기
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