
Crotalaria pallida
Crotalaria pallida
Safety & Hazards
Seeds of many Crotalaria spp., including this species, contain a number of pyrrolizidine alkaloids, such as mucronatine and monocrotaline which affect the liver and may kill birds and mammals[ 310 Title Plant Resources of Southeast Asia Publication Author Website http://proseanet.org/ Publisher Year 0 ISBN Description Lots of information on the uses of the plants of SE Asia. ]. They are particularly insidious toxins, as their effects may only become apparent weeks or months after the animal has stopped eating the seeds[ 310 Title Plant Resources of Southeast Asia Publication Author Website http://proseanet.org/ Publisher Year 0 ISBN Description Lots of information on the uses of the plants of SE Asia. ]. The concentrations are low in this species and toxic effects have only been observed when chicks were fed the seeds for several weeks[ 310 Title Plant Resources of Southeast Asia Publication Author Website http://proseanet.org/ Publisher Year 0 ISBN Description Lots of information on the uses of the plants of SE Asia. ]. The leaves contain an alkaloid poisonous to goats; the dried leaves are not toxic[ 310 Title Plant Resources of Southeast Asia Publication Author Website http://proseanet.org/ Publisher Year 0 ISBN Description Lots of information on the uses of the plants of SE Asia. ]. Pyrrolizidine alkaloids have a cumulative effect upon the body and, unless concentrations in a plant are high, occasional use is generally completely safe. They are derived from amino acids including ornithine. Many pyrrolizidine alkaloids have pronounced hepatic toxicity, but the lungs and other organs may be affected as well. Mutagenic and carcinogenic activities of pyrrolizidine alkaloids have also been reported[ 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. ].
Botanical Description
Crotalaria pallida is an erect, well-branched, sometimes robust perennial herb with stems that become more or less woody. It can grow up to 2 metres tall[ 266 Title Flora of China Publication Author Website http://flora.huh.harvard.edu/china/ Publisher Missouri Botanical Garden Press; St. Louis. Year 1994 ISBN Description An excellent, comprehensive resource in 25 volumes. In addition to the botanical information the flora also gives basic information on habitat and some uses. An on-line version is also available. , 305 Title Pacific Island Ecosystems at Risk Publication Author Website http://www.hear.org/pier/scientificnames/index.html Publisher Year 0 ISBN Description A very good website detailing weed species that have been introduced into the Pacific Islands. , 308 Title Flora Zambesiaca Publication Author Website http://apps.kew.org/efloras/fz/intro.html Publisher Year 0 ISBN Description An excellent online flora of plants from the Zambezi River basin. It lists a number of the plant uses as well as the habitats and botanical descriptions of the plants. ]. The plant has a fairly long history of cultivation as a green manure and ground cover crop, though it is much less grown at present due to its susceptibility to pests and diseases in Asia[ 310 Title Plant Resources of Southeast Asia Publication Author Website http://proseanet.org/ Publisher Year 0 ISBN Description Lots of information on the uses of the plants of SE Asia. ]. It is still often cultivated in southeastern USA[ 310 Title Plant Resources of Southeast Asia Publication Author Website http://proseanet.org/ Publisher Year 0 ISBN Description Lots of information on the uses of the plants of SE Asia. ].