DaisyFleabane

Daisy Fleabane (//Erigeron Annuus)//

1. This plant can be weedy or invasive according to the authoritative sources. This plant may be known by one or more common names in different places.

2. Daisy fleabane blooms midspring to early fall and is common throughout the tallgrass region in mesic to dry prairies, old fields, pastures, and other sites. It is considered to be a wee in disturbed sites over most of the U.S. and southern Canada.

3. Family: Aster (Asteraceae) Habitat: Fields and roadsides Height: 1-5 feet Flower Size: 1/2 inch across Flower Color: White, pale pink, or purple rays around a yellow disk. Flowering Time: June to October (sometimes it maybe May through October). Origin: Native

4. The way you can indentify a Daisy Fleabane is by its stem and the way the flowers are arranged. The stem is solid with many soft hairs.The flowers are arranged in clusters forming a flat-topped in florescene, with the outer flowers opening first (corymb). Outer ray flower are white or less often light purple, 5-10 mm long, with an inner core of yellow disc flowers.

This picture was taken at the Ames High School Prairie. Notice that this one happens to be purple with the yellow disc in the middle.

5. The leaf arrangement, in addition to having many flowers, this plant also has many leaves. The leaves of the Daisy Fleabane have large teeth. The leaves are alternating, hairy and rather large. The stalk of the Daisy Fleabane is also quite hairy.

6. The definition of Erigeron annus is widely naturalized white-flowered North American herb.

7. The similar species to the daisy fleabane is the Prairie Fleabane (Erigeron strigosus) is some what smaller and the leaves are almost entire. Hairs on the stem tend to the stem. Also the Philadelphia Fleabane, Erigeron philadelphicus is some what similar as well.

8. Fleabanes are a group of related plans, found in both the Old World and New World, and used for a variety of herbal applications in both places. Its name comes from its use as an insect repellent, for which may or may not be effective. For some insects, the bees and beetles that pollinate it Fleabanes provide food. Daisy fleabane is one of the first native herbaceous plants of the year to produce an attractive flower, in the nothern states. Horseweed is a close relative, and is sometimes lumped into the genus Erigeron with the fleabanes.

9. Fruit Characteristics: The type are capsule, berry, and others. The seed sizes could be small, large, etc.

10. They are one of the weed species that has spread from North America to Europe.

1. http://plants.usda.gov/java/profile?symbol=ERAN 2. http://www.butler.edu/herbarium/prairie/fleabane.html 3. http://www.ct-botanical-society.org/galleries/erigeronannu.html 4. http://www.ppws.vt.edu/scott/weed_id/erian.htm 5. http://www.bio.brandeis.edu/fieldbio/leeci_unet/miasfolder/Wildflowers_website/daisyfleabane.html 6. http://www.answers.com/topic/erigeron-annuus 7. http://www.2bnthewild.com/plants/H159.htm 8. http://urbpan.livejournal.com/285736.html 9. http://www.etsu.edu/biology/friendsofnature/Species/Wildflowers/daisy_fleabane.htm 10. http://www.mbc.edu/academic/wildflowerstudy/UPD/Asteraceae/Eannus.html