Page 72 - 《广西植物》2020年第3期
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3 5 2                                 广  西  植  物                                         40 卷

                           表 3  真红树植物植物和半红树植物叶片解剖特征比较
          Table 3  Comparison of leaf anatomical characteristics between true mangrove and semi ̄mangrove speices
    叶片解剖特征                 真红树植物植物                           半红树植物
    Leaf anatomical characteristics  True mangrove species   Semi ̄mangrove speices
    表皮及附属物                 上下表皮均有角质层和蜡质层ꎬ较厚ꎬ多数具有             上表皮和部分(水黄皮和杨叶肖槿) 下表皮有角质层ꎬ
    Epidermis and ancillary  盐腺                              仅 Ht 上表皮有蜡质层ꎬ较薄ꎻ部分具有盐腺( 银叶树和
    structure              Both the upper and lower epidermis have thick cu ̄  杨叶肖槿)和表皮毛(Hl 和 Ht)
                           ticles and waxy layersꎻ Most of them have  Upper epidermis of all species and lower epidermis of two
                           salt glands                       (Pp and Tp) have thin cuticlesꎻ Only Ht has thin waxy
                                                             layer in upper epidermisꎻ Some of them have salt glands
                                                             (Hl and Tp in upper epidermis) and foliar trichomes ( Hl
                                                             and Ht in lower epidermis)
    内皮层                    上下表皮下均有                           部分上表皮下有(银叶树和黄槿)
    Hypodermis             Below both the upper and lower epidermis  Below the upper epidermis for Hl and Ht
    栅栏组织                   体积较大ꎬ有些种具有两层                      体积较小ꎬ一般只有一层
    Palisade tissue        Large volumeꎬ some species have two layers  Small volumeꎬ usually only one layer
    海绵组织                   体积较小ꎬ细胞排列紧密                       体积较大ꎬ细胞排列疏松
    Spongy tissue          Small volumeꎬ the cells arranged closely  Large volumeꎬ the cells arranged loosely
    气孔                     多下陷ꎬ有蜡质覆盖                         多下陷ꎬ无蜡质覆盖
    Stomata                Most invaginateꎬ covered with wax  Most invaginateꎬ no wax cover



                                   表 4  9 种红树植物的叶片功能性状
                            Table 4  Leaf functional traits for nine mangrove species

       物种         气孔密度          比叶面积           叶片厚度           比叶重         叶片含水量          鲜干重比
      Species       SD            SLA            LT           LMA           LWC          FM L / DM L

                                      真红树植物植物 True mangrove species
        Aa       251.4±14.2a    94.0±5.7a     420.5±7.5a  0.010 7±0.000 7b  73.3±0.2b   3.75±0.02b
        Ac       187.2±12.3b    45.3±5.0b    348.9±10.3a  0.023 3±0.002 1a  59.7±2.1b   2.50±0.14d
        Ai        252.9±8.3a    93.4±1.9a    373.0±11.4a  0.010 8±0.000 2b  81.1±0.5a   5.29±0.12a

        Bc        248.7±3.7a    55.7±1.2b     253.6±8.0b  0.018 0±0.000 4a  72.1±0.4bc  3.59±0.05bc
        Kc       151.2±14.2c    49.4±0.7b     453.4±3.8a  0.020 5±0.000 3a  68.6±1.7c   3.22±0.19c
    平均值 Mean     218.3±20.8B    67.5±10.8B   369.9±34.3A  0.016 7±0.002 5A  71.0±3.5A   3.67±0.46A
                                        半红树植物 Semi ̄mangrove speices
        Hl           —          64.9±1.1c     305.0±9.5a  0.015 5±0.000 3a  59.4±0.2b   2.47±0.01c
        Ht      1 112.8±145.6a  99.9±2.6b    247.6±20.5a  0.010 1±0.000 3b  66.7±0.1a   3.00±0.01b
        Pp       447.9±26.7b    130.9±3.9a    154.1±6.6b  0.007 7±0.000 3c  62.5±0.6b   2.67±0.04c
        Tp        176.3±4.5c    121.6±9.5a    275.2±8.3a  0.008 4±0.000 6c  73.2±1.5a   3.76±0.21a

    平均值 Mean     579.0±58.9A   104.3±14.7A   245.5±32.6B  0.010 4±0.001 8B  65.5±3.0B   2.98±0.29B
                                            ̄2                 2   ̄1
     注: 数值 = 平均值±标准误ꎮ SD. 气孔密度(个mm )ꎻ SLA. 比叶面积( cm g )ꎻ LT. 叶片厚度( μm)ꎻ LMA. 比叶重( g
   cm )ꎻ LWC. 叶片含水量(%)ꎻ FM L / DM L . 叶片鲜干重比ꎮ 不同大写字母表示真红树植物和半红树植物各性状均值之间存在显
      ̄2
   著差异ꎻ 在 5 种真红树植物和 4 种半红树植物中ꎬ同一列不同小字母表示均值有显著差异ꎮ
                                             ̄2                        ̄2
     Note: Value = x±s x . SD. Stomatal density (Numbermm )ꎻ SLA. Specific leaf area (gcm )ꎻ LT. Leaf thickness (μm)ꎻ LMA. leaf
                    ̄2
   mass per area (gcm )ꎻ LWC. Leaf water content (%)ꎻ FM L / DM L . Leaf fresh/ dry weight ratio. Different capital letters indicate signifi ̄
   cant differences between true mangrove and semi ̄mangrove speicesꎻ Within either the five true mangrove species or four semi ̄mangrove
   speicesꎬ different lowercase letters in the same column mean significant differences.
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