Lupinus luteus
Lupinus luteus
Safety & Hazards
Lupinus species in general (and especially the seeds) contain a range of bitter-tasting alkaloids such as lupine, anagyrine, sparteine and hydroxylupanine. The pharmacological effects of these alkaloids are that they block ganglionic transmission, decrease cardiac contractility and contract uterine smooth muscle[ 299 Title Protabase - Plant Resources of Tropical Africa. Publication Author Website http://www.prota.org Publisher Year 0 ISBN Description An excellent on-line database with detailed information on over 3,200 species of useful plants of Africa. ]. When ingested in moderate to large quantities they can cause symptoms such as respiratory depression and slow heartbeat, sleepiness and convulsions[ 293 Title Poisonous Plants of North Carolina Publication Author Website http://www.ces.ncsu.edu/depts/hort/consumer/poison/poison.htm Publisher Year 0 ISBN Description An excellent concise but comprehensive guide to toxic plants that grow in N. Carolina. It lists even those plants that are of very low toxicity, including several well-known food plants such as carrots and potatoes. ]. Alkaloid levels can vary greatly from species to species, and this species is considered to be one of the more toxic. However, low-alkaloid, sweeter-tasting varieties have been developed that are cultivated as a food crop. There are also techniques (particularly soaking and discarding the soak water) that lower the alkaloid levels. Unless it is known that the plant is low in alkaloids then caution should be applied to any ingestion of the plant[ K Title Plants for a Future Author Ken Fern Description Notes from observations, tasting etc at Plants For A Future and on field trips. ]. Fungal toxins can readily invade the crushed seed and can cause chronic illness[ 65 Title A Colour Atlas of Poisonous Plants. Publication Author Frohne. D. and Pfänder. J. Publisher Wolfe Year 1984 ISBN 0723408394 Description Brilliant. Goes into technical details but in a very readable way. The best work on the subject that I've come across so far. ].
Botanical Description
Lupinus luteus is an annual plant growing 25 - 80cm tall[ 338 Title IUCN Red List of Threatened Species Publication Author Website http://www.iucnredlist.org/ Publisher Year 0 ISBN Description A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat. ]. The plant is sometimes harvested from the wild for local use as a food. Low-alkaloid varieties have been developed that are sometimes grown for their edible seeds, whilst the plant is also grown as a green manure in order to improve the soil and is commonly grown as an ornamental in gardens. Lupinus luteus is a widespread, common species found in disturbed habitats, and has no major threats. The plant is classified as 'Least Concern' in the IUCN Red List of Threatened Species(2013)[ 338 Title IUCN Red List of Threatened Species Publication Author Website http://www.iucnredlist.org/ Publisher Year 0 ISBN Description A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat. ].