Daucus
| Daucus | |
|---|---|
 |
|
| Daucus carota | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Asterids |
| Order: | Apiales |
| Family: | Apiaceae |
| Genus: |
Daucus L., 1753 |
| species | |
|
see text |
|
see text
Daucus is a worldwide genus of herbaceous plants of the family Apiaceae of which the best-known species is the cultivated carrot. Daucus genus of Umbelliferae Apiaceae, has about 25 species.
They differ in the family Apiaceae by their leaves 2-3 pinnatisect. The end sections are always narrow. The Daucus genus are annual plants or mostly biennial plants or also perennial herbs, with a bristly stem. The inflorescences are umbels. The umbel flowers are mostly white, with bracts and bracteoles. The tiny flowers are a compounded. The petals are pure white, reddish, pinkish or yellowish. They are emarginate above and have a pointed, wrapped lobules. The petals are often unequal in size, and the outermost edge of the flower is often brilliant. The fruit is ovoid to ellipsoidal, and cylindrical or compressed. The fruits have ciliated primary ribs and secondary ribs have a row of spines. Some species have a small pale or white edible root, similar to a radish, which may or may not be bitter in taste.
The pollination is carried by insects: Lepidoptera, Coleoptera, Diptera, and Hymenoptera. It is a worldwide genus with endemic species on islands and isolated areas. The genus centre is in North Africa, and Southwest Asia in the Temperate Zone. Prolonged dry or cold weather retard growth but result in adaptative strategy in the genus evolution. Stages of development not suffers due to the accumulation of resources by underground in the root in some species. Genus Daucus is represented in the Macaronesian Islands by endemic species of wide distribution. Native to Europe is only Carrot species with the two subspecies: Wild Carrot and (subsp carota Daucus carota), a cultivated form of carrot, also garden carrot.
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Wikipedia