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資料編號: | HK-3818 |
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中文名稱: | 桂林栲(標室沒收錄) |
中文別名: | 中國苦櫧 |
學名: | Castanopsis chinensis [找同屬植物] |
英文名稱: | China chinkapin |
植物科名: (APG新系統) | FAGACEAE殼斗科 [找同科植物] |
標室舊系統 | FAGACEAE殼斗科[找同科] |
生長習性: | 喬木 |
資料更新: | 20240112 12:06:45 am |
備註: 桂林栲 關鍵係辨認是葉背...殼斗科極少會冇毛加咁少鱗而表面完全外露. Castanopsis 來講,葉背只有甜櫧 跟佢桂林栲. 甜櫧葉型同桂林栲很不一樣, 可分出兩者. 就算計埋柯屬,柯屬有咁嘅葉背既嘢,一定唔係全緣就近全緣. 沒桂林栲有粗齒(thanks crawford's info) 鹿角錐和羅浮錐的葉背是些接近銀色的,而且第一側脈的角度跟桂林栲Castanopsis chinensis明顯差很多. (thanks 盧家翊 info) 公園攝, 引進植物 Ref 娃娃手記: 1.葉柄 1.5-2 cm 2.側脈 9-12 臺灣橡實家族圖鑑: 桂林栲最早由德國植物學家施普倫格爾(Sprengel)發現於中國大陸,於1826年發表的殼斗科植物,種小名chinensis為產自中國之意.原先是被歸類在栗屬,後來1869年時英國外交官兼植物學家漢斯(Hance),才確定了桂林栲為錐屬植物. 參考圖片 香港有發現 又名狗栗、錐、栲栗、米錐,為殼斗科苦櫧屬下的一個種。 FOC: Trees 10-20 m tall; branches and leaf blades glabrous. Petiole 1.5-2 cm; leaf blade lanceolate to rarely ovate, 7-18 × 2-5 cm, thickly papery to nearly leathery, concolorous, base rounded to acute, margin at least from middle to apex serrate, apex caudate; midvein and secondary veins adaxially raised; secondary veins 9-12 on each side of midvein. Female inflorescences borne on apical part of 1st-year branchlets; flowers 1 per cupule. Infructescences 8-15 cm. Cupule globose, 2.5-3.5 cm in diam., usually splitting into 3-5 segments, outside densely grayish brown puberulent when young but glabrescent, inside densely brown villous, wall 1-1.5 mm thick; bracts spinelike, almost entirely covering outside cupule, 6-12 mm, connate into bundles from base to nearly middle. Nut conical, 1.2-1.6 × 1-1.3 cm, glabrous or rarely puberulent from middle to apex; scar basal, 8-10 mm in diam. Fl. May-Jul, fr. Sep-Nov of following year. | |
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更多圖片(組員Facebook群組貼圖,只供組員參考): Crawford 貼圖 | |
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