Frangula alnus


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alder buckthorn

A deciduous shrub, the bark of which contains anthraquinones; it has laxative activity and has been used internally by herbalists for constipation, and topically for minor cuts.
Toxicity Prolonged use may evoke a “lazy bowel” syndrome; it should not be used in patients with colitis, haemorrhoids, or gastric ulcers, or in pregnancy or during nursing.
References in periodicals archive ?
The presence of Salix caprea, Frangula alnus, Rubus idaeus, Trifolium repens, Centaurea cyanus, Arctium tomentosum, Carum carvi, and Fagopyrum esculentum pollen in those honey samples points to a wide diversity of melliferous plants within the area of the Gomerta Landscape Reserve.
Pollen from Brassica napus making up 31.3% was secondary and of Malus domestica and Frangula alnus, important minors, accounting for 5.7% and 3.3%, respectively.
ambigua 0.06 0.06 0.06 0.18 Tilia americana 0.07 0.09 0.11 0.27 Ulmus americana 0.04 0.03 0.07 0.14 Shrubs Acer saccharum 0.24 0.17 0.41 Asimina triloba 0.06 0.02 0.08 Carpinus caroliniana 0.06 0.08 0.14 Fagus grandifolia 0.09 0.12 0.21 Frangula alnus 0.03 0.06 0.09 Fraxinus pensylvanica var.
Wet Meadow--12 plots Typha angustifolia 4 10.9 Frangula alnus--seedlings 10 5.0 Equisetum arvense 11 4.0 Emergent Marsh--5 plots Phragmites australis 5 48.4 Dipsacus sylvestris 2 7.4 Cilsilun arvense 5 6.5 Disturbed Shrub Swamp--10 plots Shrub Layer Frangula alnus 6 8.4 Malus sp.--small trees 7 5.4 Pinus sylvestr is 5 2.6 Herb Layer Carex granularis 8 3.9 Scirpus pendulus 8 1.3 Fragaria virginiana 2 1.1 Disturbed Wet Forest--14 plots Tree Layer Ulmus americana 11 19.5 Malus sp.
In the highest sites of the northern Galician ranges and in the Sierra de la Bobia in Asturias, usually at altitudes of 400 or 500 m to 900 m, in connection with the upper mesotemperate and lower supratemperate thermotypes, the vegetation associated with the banks of streams becomes dominated by downy birches (Betula pubescens), sometimes accompanied by black willow trees (Salix atrocinerea), oak trees (Quercus robur), glossy buckthorns (Frangula alnus), hazel (Corylus avellana) holly (Ilex aquifolium) and mountain ash (Sorbus aucuparia).
The presence of species such as Athyrium filixfemina, Brachypodium sylvaticum, Frangula alnus, Osmunda regalis and Ranunculus ficaria in the riverside birch tree forests of this new association supports their inclusion in the Populetalia albae order, Salici-Populetea nigrae class (cf.
Teniendo en cuenta las referencias bibliograficas diponibles (Diaz Gonzalez & Fernandez Prieto, 1994), estos madronales se incluirian en la subasociacion tipica de la asociacion Frangulo alni-Arbutetum unedonis, que engloba las formaciones dominadas por Arbutus unedo y Frangula alnus de distribucion colina (mesotemplada) desarrolladas en los territorios siliceos galaico-asturianos, laciano-ancarenses, ovetenses y picoeuropeano-ubinenses.
(2003) y RODRIGUEZ GUITIAN (2004), se puede reconocer dentro de cada una de las categorias sintaxonomicas anteriormente senaladas un aspecto particular de estos hayedos (facies heliofila) alli donde la presion humana se ha mantenido hasta epocas recientes o cuando crecen en exposiciones especialmente favorables para la pervivencia de especies particularmente querenciosas por la luz (espolones rocosos, vertientes orientadas al S o W), reconocible por la presencia de especies como Frangula alnus, Pyrus cordata, Quercus pyrenaica o Betula alba.