Therefore, they were designated resistance factors r17 and r18. Prickly lettuce lactuca serriola is wild, edible and nutritious food. The sap contains lactucarium, which is used in medicine for its anodyne, antispasmodic, digestive, diuretic, hypnotic, narcotic and sedative properties. Young leaves can be cooked to remove bitterness or diluted with nonbitter greens in salad. After a simple extraction and washing process, the washed latex contained 54% dichloromethanesoluble material rubber in l. Distribution of genetic diversity in wild european. It is also stouter, the stem and leaves are more purple flushed,the leaves are less divided, but more spreading. The following is an archived discussion of a featured article nomination. It is generally accepted that the virosa is more potent, although i can. Distribution of genetic diversity in wild european populations of prickly lettuce lactuca serriola. The present invention relates to lettuce lactuca sativa l. Isolation of flowering branches by bagging has been the rule during the present investigation, not only for the purpose of preventing cross.
On the other hand both could have been descended from the same unknown original hybrid stand. Lactuca serriola is the wild progenitor of cultivated lettuce lactuca sativa, and can be affected by lettuce downy mildew, one of the most serious diseases of lettuce. Leaves have a conspicuous, white midvein with the underside of the vein covered with many prickles. Neighborjoining dendrogram, based on dice similarity coefficient among 36 lactuca spp. Files are available under licenses specified on their description page. The common head and leaf lettuces of home gardens and commerce are derived from lactuca sativa. However, it is not a legal authority for statutory or regulatory purposes. Wild lettuce lactuca virosa can cause toxic effects when eaten. The central stem is light green or dull white, glabrous, and round in circumference.
Lactuca serriola wild lettuce medicinal uses charles. Lactuca serriola, an aggressive agronomic weed is thought to be a successful. It is in flower from july to september, and the seeds ripen from august to september. Two unlinked loci are both required for effector recognition and are located near known major resist ance clusters. Compositae is an herbaceous species, known by several vernacular names, that is, prickly lettuce, jagged lettuce, kahu and khas. This page was last edited on 10 december 2019, at 22. Flower heads open for short duration in morning and wither later. It is a threedigit code, combining codes for dispersal by. Edible uses young, tender leaves of prickly lettuce have been eaten raw or cooked. These conditions combine lack of water through rain with high. Leaves clasping, oblong to oblanceolate, 520 cm long, prickly below and on the margins, dentate and.
Lactuca as a group is well supported by our data, but the positions of l. Select from img where ready1 and taxon lactuca serriola order by taxon click on the thumbnail to see an enlargement. Prickly lettuce lactuca serriola illinois wildflowers. Prickly lettuce is thought to represent an older form of its close relative garden lettuce because they crossbreed easily. The species is hermaphrodite has both male and female organs and. In this report a model is proposed using a plant geographical division. Us8816158b2 resistance to nasonovia ribisnigri biotype 1. They are said to taste mild and make an excellent salad, but the whole plant becomes bitter as it gets older, especially when coming into flower. Note both of these plants can be used interchangeably for pain relief. Rationalization of genes for resistance to bremia lactucae in lettuce article pdf available in euphytica 2103 may 2016 with 246 reads how we measure reads. Prickly lettuce lactuca serriola aster family asteraceae description. Prickly lettuce, lactuca serriola flowers naturegate. Lactuca serriola opium lettuce herb ethnobotany the.
This hardens and dries when in contact with the air. Lettuce lactuca sativa l overview lettuce lactuca sativa l. Since lactuca serriola is found more commonly, you might think youve got wild lettuce when it is really prickly lettuce. The recognition of effector blr38 in lactuca serriola ls102 did not co. This species is know to hybridize with common garden lettuce, lactuca sativa. Two unlinked loci are both required for effector recognition and are located near known major resistance clusters.
Appearance lactuca serriola is an annual or biennial that can reach heights of 6 ft. Evidence from egyptian tomb paintings indicates that it was cultivated before 4500 bc. The genome size has been estimated by flow cytometry to be 2. Rapid mapping of two genes for resistance to downy mildew. The invention further relates to parts of the plants, in particular to the seeds and to other propagation material, and to progeny of the plants. Wild lettuce grows in the north of iran and some natives consume it unaware of its adverse side effects. The results can also be downloaded as a csv file unicode utf8 encoding see status, confidence level, source for definitions. Lactuca sativa, in our greenhouse propagation, had a prolonged rosette stage during which latex was not abundant in leaf veins. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. The species is hermaphrodite has both male and female organs and is pollinated by insects. Prickly lettuce lactuca serriola young leaves, flower buds raw or cooked landscapes, abandoned lots, fields spring, fall, winter older leaves can be quite bitter. Lactuca sativa lettuce, garden lettuce pfaf plant database. Influence of soil moisture regimes on growth, photosynthetic. Lactuca from lactugo, latin for milky, while serriola means sawlike, referring to the margins of the leaves.
It is thought most likely to have originated from a progenitor similar to l. Subsequent comments should be made on the articles talk page or in wikipedia talk. We describe eight patients with manifestations of wild lettuce toxicity, admitted to a general hospital affiliated to the golestan university of medical sciences. Compass plant because the leaves often line up in a north south direction. View photos of the medicinal plant lactuca serriola wild lettuce, profiled in medicinal plants of the american southwest.
This page was last edited on 15 august 2019, at 15. Lactuca virosa is a bienniel plant, it grows to a height of 2. This name is the accepted name of a species in the genus lactuca family compositae. The previously mentioned findings may partially justify the folkloric use of lactuca serriola in the management of conditions pertaining to spasm of intestine, bronchioles, and vasculature. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. Two resistances to downy mildew derived from lactuca serriola were characterized genetically and mapped using molecular markers. Pdf ecogeographical distribution of lactuca aculeata natural. The record derives from tica data supplied on 20120211 which reports it as an accepted name record 5f860fc7c1564ebbbb51ba5ca4ac1989 with original publication details.
Lactuca serriola kompasslattich jkipflanzenportraits offene. It is bienniel, similar to prickly lettuce lactuca serriola but taller it can grow to 200 cm. It is in flower from july to august, and the seeds ripen from august to september. Foliage cauline leaves on the stem are alternate, 214 in. Lactuca serriola samen, kompasslattich, stachellattich, zaunlattich. It is native to himalaya, siberia, and atlantic areas but cultivated also in temperate lands of europe, india, pakistan, and iran. This annual or biennial plant is 27 tall and unbranched, except where the upper flowering stems occur. It forms within the genus lactuca a somewhat isolated genetic compatibility group with three wild species that also have nine pairs of chromosomes, l. Pdf zusammenfugen pdfdateien online kostenlos zu kombinieren. Identify prickly lettuce via its pictures, habitat, height, flowers and leaves. Pdf rationalization of genes for resistance to bremia.1490 1562 384 1139 54 1429 440 1126 328 1306 657 552 809 1448 1514 1504 1505 699 1367 1015 1477 1067 650 497 813 897 455 1406 331 909 514 473 1309 1456 221 619 1214 1142 1052 523 504 1482 374 1002 1262 1219