短肋青蘚

物種分類

短肋青蘚，青蘚科青蘚屬。

1.葉先端完全回鈍··························3.鈍頭紅葉蘚B. brachystegium

1.葉先端漸尖，或葉先端呈稍鈍，但具小尖頭···························2

2.葉片呈卵圓形或卵狀披針形；葉緣無分化的邊緣·························3

2.葉片呈舌形；葉緣具多列胞壁厚，且平滑無疣的細胞，構成明顯分化的邊緣··············9

3.葉片呈闊卵圓形；雌苞葉比普通葉較闊大；基部呈鞘狀···········10.細紅葉蘚B. tenerrimum

3.葉片呈披針形；雌苞葉不分化·································4

4．葉邊全緣且全部背卷·····································5

4.葉邊僅下部全緣，背卷；上部多平展，且有鋸齒··························7

5.葉片狹長，呈長卵狀披針形，先端狹長漸尖···················9.大紅葉蘚B. rubrum

5.葉片較短闊，先端較鈍，具短尖頭································6

6.植株較細小；葉邊先端全緣或具微齒，葉基狹且無分化···········8.紅葉蘚B. recurviroslrum

6.植株較粗壯；葉邊先端具不規則的粗鋸齒，葉基闊且與上部有明顯分化····13.雲南紅葉蘚B. yunnanense

7.植株纖細；葉片厚，疏生緊貼莖上，葉基無分化···············4.鋸齒紅葉蘚B. dentatura

7.植株較粗壯；葉片或多或少傾立，葉基有分化···························8

8.葉邊全緣；中肋粗壯，長達葉尖·····················5.無齒紅葉蘚B. gymnostomum

8.葉邊中上部具粗鋸齒；中肋至葉尖稍下即消失···························12

9.植株較矮小，莖高約0. 5-2cm葉片呈長橢圓狀舌形，葉先端急尖，具小尖頭··············10

9.植株長大，莖高約3--5cm；葉片呈長卵披針形，葉先端漸尖··········2.深色紅葉蘚B. atrorubens

10.葉邊具規則的細鋸齒，每齒由I個細胞或僅細胞尖部突出形成·········11.東亞紅葉蘚B. wallichii

10.葉邊具不規則的粗鋸齒，每1齒由多個細胞構成··························11

11.植株特細小，莖高僅5-7cm；無性芽胞缺如··················6.異葉紅葉蘚B. hostile