擬纖維茨藻(學名:Najas pseudogracillima),一種於香港中文大學崇基學院發現的藻類植物,隸屬於水鱉科茨藻屬。[1]
形態特徵
擬纖維茨藻莖高約10厘米,直徑約0.3毫米。葉通常假輪生,5,9-11×約0.3毫米;鞘1-2毫米;葉耳圓形至稍倒心形,短,有3-5齒的微小細鋸齒,每側的上緣有6-10微小鋸齒。植株雌雄同株;花1-3每腋,雄花在上腋和雌花在下面。雄花橢圓形,0.6-0.8毫米;無佛焰苞;花葯1鞘。雌花不明顯,約1毫米;花柱長約1毫米;柱頭2或3裂。果1.6-2×約0.5毫米。種子橢圓形長圓形,具超過25行的坑;小乳暈長圓形,縱向拉長;細胞壁未升高。花期和果期7-11月。[1]
參考文獻
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