Weeds. Plant Body. Shoot system = leaves + stem Root system Meristem = cells that divide for life of plant, can give rise to all plant structures. Blade. Petiole. Plant Body. Leaf = blade + petiole.
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Anchors plant in soil
Takes up water and minerals from soil
glauca = bluish-gray,referring to leaf colorLeaves contain high levels of nicoteneIntroduced from South America by missionaries, from imported grain or on purpose…?
Seeds and leaves are edible.
Seeds are shaped like rounds of cheese.
Ricin in seeds --used to kill a spy on London Bridge --recently discovered in the US mail --possible cancer treatmentOil from seeds has laxative and wound-healing properties.Castor BeanRicinus communis
Folkways Medicine: May repel witches
Poisonous to humans and livestock
Conin causes muscle paralysis, found in all parts of plant.
Enhances production of cumarin by moldsOriginal source of heparinImportant source of honey
Morphine and codeine from developing seed pods
Young foliage is edibleRoots used for toothache
Young foliage and seeds are edible
Folkways Medicine: Seeds act against intestinal worms.
Dried plant is used as seasoning.
Flavoring in candy, cough drops, and beerFolkways Medicine: good for sore throats
Member of the Mint family
Folkways medicine: Uses for intestinal, respiratory and skin ailments.
All parts of plant have alkaloids like atropine. --medical use --religious observances by Native Americans --hallucinogen in the 60’s
DANGEROUS! Recent hospitalizations and deaths reported in LA County.
The pollen is a common respiratory or hay-fever allergen.
Scrapings from young roots or young seed pods taste like radishes
A related species provides treatments for Hodgkin’s disease, leukemia and other cancers
Added as a flavoring to candies and cough medicines