Đặc điểm hình thái và vi học của loài bảy lá một hoa Hải Nam – Paris dunniana H. Lév. thu thập tại tỉnh Quảng Ninh

Quang Ninh is a province in the top northeastern part of Vietnam. During the survey of Paris resources, the occurrence of Paris dunniana H. Lév. was recorded in Quang Ninh for the first time. In this study, morphological and microscopic characteristics (leave, aerial stem, aventious root) of Paris dunniana H. Lév. were described in detail. Paris dunniana H. Lév. differs from Paris vietnamensis (Takht.) H. Li in stamen 3 – 4 times as many as outer tepals, longer free portion of connective (4 – 5mm), style conspicuous (1.5 – 2mm), seed with yellow to orange aril.

Keywords: Paris dunniana H. Lév., Quang Ninh  province, morphological & microscopic characteristics.

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