Aporte al estudio florístico y ecológico de las Loranthaceae del jardín botánico "El Bosque" Silvania, Cundinamarca
Keywords:
loranthaceae, estudio, florístico, ecológico, jardín botánico, especies, crecimiento, abundancia (es)Downloads
y se hallaron 40 especies de angiospermas invadidas, 28 nativas y 12 exóticas, evidenciando así la versatilidad y facilidad de establecimiento de esta familia. Se estableció una escala de abundancia entre los cuatro géneros de Loranthaceae, así: Phthirusa > Phoradendron > Oryctenthus >Dendrophthora. Phthirusa invadió a 29 de los 40 hospederos registrados y presenta un crecimiento rápido y expansivo hasta que ahoga y a veces "mata" al hospedero; Phoradendron invade a 12, en tanto Oryctanthus y Dendrophthora a 9 sin mostrar un crecimiento tan perjudicial
como el de Phthirusa spp, Se halló un fenómeno de co-familiaridad de Phoradendron aft. aphyllum sobre Phoradendron crassifotium, P. quadrangulare, P. obliquum y Dendrophthora, semejante a lo citado por otros autores (Diem, 1950; Rizzini, 1968 y Restrepo, 1987).
P. crassifolium, P. cymosum, P. nitidultum, P. obliquum y P. quadrangulare) were studied according the classification proposed by Rizzini (1982). The relation between host and "guest" is analized and 40 species of flowering plants an!liosperms invaded (28 native and 12 foreign) are reported. The versatility and the ability to settle of this family is denoted
here. An abundance scale is established between the four genera of Loran thoaceae, wilt is: Phthirusa >Phoradendron >Oryctanthus >Dendrophthora. Phthirusa invaded 29 of 40 host reported, and showed a fast and expansive growth
which strangle and even "kili" the host, Phoradendron settle on twelve species, whereas Oryctanthus y Dendrophthora did
on 9, but they do not show such an injurious growth like Phthirusa sp. A self-family settling phenomenon was
observed. Phoradendron aff aphyllum was seen growing on P. crassifolium, P. quadrangulare, P. obliquum y Dendrophthora in tact, it was reported by other authors (Diem, 1950), Rizzini, 1968 y Restrepo, 1987).
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