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.