忍冬科植物简介课件.ppt

忍冬科植物简介;中国植物志：13(12)/500(200+);;中国植物志;忍冬科Cymes with a pair of bracts and 2 pairs of bracteoles，occasionally accrescent in fruit, rarely absent. anthers free, 2-celled，?Ovary inferior，Fruit a berry, a drupe with 2-5 pyrenes, or a leathery achene. Seeds 1 to many;;1. 花序由聚散合成伞形、伞房式或圆锥式；柱头常2-3裂；花冠不具蜜腺；花药内向或外向……………五福花科 1. 花序非上述情况，若为圆锥花序则花柱细长；柱头大多为头状，很少分裂；花冠具蜜腺；花药内向。 2. 蒴果……………………………………………锦带花科 2. 核果。 3. 聚伞花序有一对苞片和两对小苞片，稀缺；种子1到多数………………………………………………忍冬科 3. 苞片叶状，着生在子房基部形成萼状总苞；种子1-颗………………………………………………北极花科 ;五福花科Adoxaceae;五福花科Adoxaceae-荚蒾属 Viburnum;?V. macrocephalum???? 绣球荚蒾;五福花科Adoxaceae-接骨木属 Sambucus;;中国植物志;忍冬科 Caprifoliaceae;忍冬科 Caprifoliaceae-毛核木属Symphoricarpos ;忍冬科 Caprifoliaceae;忍冬科 Caprifoliaceae-七子花属 Heptacodium;1. Flowers single and opposite in a spike 2. Ovaries 5, 7, or 8-locular, all locules with many ovules.………………………………………… Leycesteria鬼吹箫属 2. Ovaries 4-locular, 2 locules with 1 fertile ovule, other 2 locules with many sterile ovules.…………………Symphoricarpos毛核木属 1. Flowers paired (rarely single and then pedunculate; rarely in threes and then bracteoles fused into a cupule) or in whorls of 6 3. Flowers paired (rarely single and then pedunculate; rarely in threes and then bracteoles fused into a cupule).…………… Lonicera忍冬属 3. Flowers in whorls of 6 4. Flowers 6 in a single whorl, with 2 pairs of tight involucral bracts forming a capitulum; capitula paniculate; shrubs with triplinerved leaves.…………………………………………Heptacodium七子花属; 4. Flowers 6 in a single whorl, with 2 pairs of tight involucral bracts forming a capitulum; capitula paniculate; shrubs with triplinerved leaves.………………………………………Heptacodium七子花属 4. Inflorescence different, if flowers in a capitulum then plant a climber with perfoliate involucral bracts and bilabiate flowers in 1-4 whorls 5. Herbs; leaves pinnatifid, otherwise perfoliate………………………………………… Triosteum莛子藨属 5. Shrubs or climbers; leaves entire, not perfoliate (involucral bracts sometimes perfoliate). 6. Shrubs; flo