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題名 | Notes on the Flora of Taiwan (29)--Scutellaria Austrotaiwanensis Hsieh & Huang sp. nov.(Lamiaceae) from Taiwan=臺灣植物誌之觀查(29)--南臺灣黃芩(唇形科) |
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作者 | 謝宗欣; 黃增泉; Hsieh, Tsung-hsin; Huang, Tseng-chieng; |
期刊 | Taiwania |
出版日期 | 19970600 |
卷期 | 42:2 1997.06[民86.06] |
頁次 | 頁109-116 |
分類號 | 373.87 |
語文 | eng |
關鍵詞 | 南臺灣黃芩; 花粉; 小堅果; 分類; 臺灣; Scutellaria austrotaiwanensis; Pollen; Nutlet; Taxonomy; Taiwan; |
中文摘要 | 本文描述黃芩屬一新種,南臺灣黃芩(Scutellaria austrotaiwanensis Hsieh & Huang)。本種近似布烈氏黃芩(S. playfairi Kudo),但其具有較小的葉子,葉緣具4-5個淺圓齒,小堅果具短鉤狀突起,後者葉子較大,葉緣具5-9個鋸齒,小堅果具平滑瘤狀突起,足以區別。呂宋黃芩(S. luzonica Rolfe)長期以來被認為和省產的前二者植物有密切的關係,本文經由花粉的比對認為其與本省的此二者植物為不同的種。本種見於臺灣南部位於海拔400至500公尺之楠木林陡坡上。本種之花粉形態、小堅果表皮微細構造及染色體數目2n=26均為首次報導。 |
英文摘要 | A new species, Scutellaria austrotaiwanensis Hsieh & Huang from south Taiwan is described. This new species is similar to S. playfairi Kudo, but can be distinguished by its smaller leaves with 4 to 5 shallow crenations on the margins and the nutlet coat with short grappling-hook tuberculae. This new species differs from S. luzonica Rolfe by its rugulate-reticulate to reticulate and microperforate versus rugulate exinal ornamentation. This species is found on steep slopes between 400 and 500 m in machilus dominated forest in south Taiwan. SEM micrographs of pollen grains and nutlets, and a chromosome number 2n=26 are provided. |
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