Two new synonyms and a species reinstated in Phoradendron Nuttall (Viscaceae)
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Two Epiparasitic Species of Phoradendron (Viscaceae) from Honduras: one New and for the Other a Range Extension and Host Determination
A new species of Phoradendron, Ph. mathiasenii, is described, and a range extension and host are given for Ph. tikalense. Both species are from Honduras and grow as epiparasites, i.e., mistletoes parasitizing other mistletoes. The parasitic host for both epiparasitic species of Phoradendron is Psittacanthus angustifolius (Loranthaceae), which in turn is parasitic on the terrestrial host, Pinus ...
متن کاملIsophasic Parasitism in Phoradendron Perredactum (viscaceae)
It is pointed out that the newly described Phoradendron perredactum Rzedowski & Calderón exhibits an advanced type of growth behavior (isophasic parasitism) that also occurs in three other, unrelated groups of parasitic flowering plants.
متن کاملNew Species of Phoradendron (Viscaceae) from Mexico and Guatemala and a Synopsis of Species in Section Pauciflorae
As presently interpreted Phoradendron sec tion Pau cifiorae consists of 15 spec ies. These mistletoes parasitize primarily conifers. We describe seven new spec ies . make sta tus changes for four species, and provide information on the hosts and di str ibution of all members of the sec tion. New species described are: Phoradendron abietinurn Wiens, on Abies durangen si s in Chihuahua, Durango, ...
متن کاملEpiparasitism in Phoradendron durangense and P. falcatum (Viscaceae)
Phoradendron, the largest mistletoe genus in the New World, extends from temperate North America to temperate South America. Most species are parasitic on terrestrial hosts, but a few occur only, or primarily, on other species of Phoradendron. We examined relationships among two obligate epiparasites, P. durangense and P. falcatum, and their parasitic hosts. Fruit and seed of both epiparasites ...
متن کاملSinker Structure of Phoradendron californicum (Viscaceae) Confounds its Presumed Close Relationship to Other Acataphyllous Species
Phoradendron is the largest genus of New World mistletoes, with about 250 species in two subgenera, Boreales and Aequatoriales, corresponding, respectively, to northern acataphyllous and southern cataphyllous groups. The typically acataphyllous P. californicum of western North America is controversial because recent phylogenetic work has nested it in the southern cataphyllous clade. Seedling es...
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ژورنال
عنوان ژورنال: Acta Botanica Brasilica
سال: 2007
ISSN: 0102-3306
DOI: 10.1590/s0102-33062007000200012