- 更多网络例句与两面气孔的相关的网络例句 [注:此内容来源于网络,仅供参考]
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Leaves glossy deep green adaxially, narrowly linear-lanceolate, straight or slightly falcate, 0.8-6.5(-7) cm × 1.5-5 mm, midvein green abaxially, 0.3-1.2 mm wide, flat with median longitudinal keel throughout, stomatal bands present on both surfaces, bands on adaxial surface 0.5-1.5 mm wide, of 7-28 rows of stomatal, white powdery or not, bands on abaxial surface 1.2-2.8 mm apart, 0.3-0.8(-1) mm from leaf margin, not or rarely white powdery, base decurrent, margin denticulate, sometimes indistinctly so, especially on old trees, with 18-55(-90) teeth per side, apex usually symmetric and spinescent, spine 0.3-2 mm. Pollen cone fascicles terminal, 1-3(-5) together, broadly obovoid, each of 8-20 cones, occasionally a few also around base of seed cone; peduncle 2-4 mm; cones narrowly oblong-conical.
正面的叶有光泽的深绿色,披针形狭线形,直的或稍镰刀形, 0.8-6.5(-7)厘米×1.5-5毫米,中脉绿色背面,全部的0.3-1.2毫米宽,平的具中间的纵向的脊,气孔带宿存在两面,在正面0.5-1.5毫米宽上条纹状,7-28排stomatal的,与否白色粉状,相隔1.2-2.8毫米的条纹状的在背面,从叶缘的0.3-0.8(-1)毫米,白色敷粉的或很少的不,基部下延,边缘具小齿,有时不清楚如此,特别是在古树上,具18-55(-90)齿每边,先端通常对称和具刺,刺0.3个-2毫米雄球花束簇终端,花序梗2-4毫米;圆锥形孢子叶球狭长圆形。
- 更多网络解释与两面气孔的相关的网络解释 [注:此内容来源于网络,仅供参考]
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amphistomatic,amphistomatous:两面气孔的
amphispore 休眠夏孢子 | amphistomatic,amphistomatous 两面气孔的 | amphitene 偶线期
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Cunninghamia:杉木属
1.杉木属(Cunninghamia)常绿乔木. 叶条状披针形,边缘有锯齿,螺旋状着生,叶的上、下两面均有气孔线. 苞鳞与珠鳞的下部合生,螺旋状排列,苞鳞大,边缘有不规则细锯齿,珠鳞小,先端3裂,腹面基部生3枚胚珠. 球果近球形或卵圆形,种子两侧具窄翅.
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Taxodiaceae:(二)杉科
主要分布于我国中部、长江流域以南各省区; (二)杉科(Taxodiaceae)1.杉木属(Cunninghamia)常绿乔木. 叶条状披针形,边缘有锯齿,螺旋状着生,叶的上、下两面均有气孔线. 苞鳞与珠鳞的下部合生,螺旋状排列,苞鳞大,边缘有不规则细锯齿,珠鳞小,