Steinmetz:Pyrus

Pyrus aria

Also known as (or relevant to) Pyrus aria Pirus aria Sorbus aria Family Pomaceae English Names Atlas tree White Beam Natural Habitat Europe (especially Southern Germany) Part(s) Used Fructus

Constituent(s) tannin citric acid malic acid Action used in diarrhoea coughs etc.

Pyrus aucuparia

Also known as (or relevant to) Pyrus aucuparia Pirus aucuparia Sorbus aucuparia Mespilus aucuparia Family Rosaceae English Names Mountain Ash Rowan tree Natural Habitat temperate parts of Europe Asia North America: the species Pyrus americanus Part(s) Used Fructus Sorbi aucupariae Folia Sorbi Flores Sorbi

Constituent(s) berry; tartaric acid (before ripening) prussic acid tannin malic acid citric acid sorbin sorbit sugar vitamin C (provitamin A) fatty oil (when ripe); leaf: amygdalin tannin; flower: trimethylamin Action berry: depurative pectoral astringent diuretic antiscorbutic emmenagogue aperient; the roasted berries are a substitute for coffee; flower: aperient; leaf: aperient pectoral

Pyrus communis

Also known as (or relevant to) Pyrus communis Pirus communis Family Pomaceae English Names Pear tree Natural Habitat Europe Asia Part(s) Used Fructus Pyrus communis Folia Pyrus communis

Constituent(s) fruit: sugar free acids tannin pectin invertin asparagin pentosanes; leaf: hydroquinone Action fruit: nutritive; leaf: diuretic calmative

Pyrus domestica

Also known as (or relevant to) Pyrus domestica Pyrus sorbus Sorbus domestica Family Pomaceae English Names Service tree Whitty Pear Natural Habitat Southern Europe Part(s) Used Fructus Sorbi domesticae

Constituent(s) tannin Action unripe fruit: astringent

Pyrus malus

Also known as (or relevant to) Pyrus malus Pirus malus Malus silvestris Malus pumila Family Rosaceae English Names Apple tree Natural Habitat Europe temperate parts of North America Australia and Orient Part(s) Used Fructus Mail Cortex Pyri mali Folia Mali

Constituent(s) leaf: isophloridzin; fruit: chlorophyll phosphorus albumen sugar lime gum malic acid gallic acid pectin tannin mucilage vitamins A B and C enzyme cellulose Action leaf: diuretic; fruit: appetising digestive diuretic nutritive

Links

• Information in Von Esenbeck's book