Botany
Weed of the Month
Archives
- January 2012: Cupaniopsis anacardioides, carrotwood, tuckeroo, carrot weed
A tree from Down Under that is wreaking havoc in peninsular Florida's coastal habitats. - December 2011: Euphorbia cyathophora, painted-leaf spurge, fire-on-the-mountain, wild poinsettia
A weedy relative of the Christmas poinsettia. - November 2011: Ipomoea triloba, littlebell, Aiea morning glory
A Neotropical vine that is a serious weed of agricultural fields and other disturbed sites. - October 2011: Paederia foetida, skunkvine or stinkvine A twining vine from Asia that outcompetes and displaces native vegetarian.
- September 2011: Imperata cylindrica, cogongrass An aggressive invader of natural and distured areas throughout Florida.
- May 2011: Colubrina asiatica, (L.) Brongn. Latherleaf, Asian nakedwood A perennial, vine-like shrub, from the Old World tropics and subtropics.
- April 2011: Alternanthera sessilis (L.)R.Br. ex DC., sessile joyweed, dwarf copperleaf A perennial herb with prostrate stems, found throughout the tropics and subtropics.
- March 2011: Ardisia elliptica Thunb., shoebutton ardisia, inkberry, seashore ardisia, ati popa'a A shrub or small tree, introduced as an ornamental plant, native to Asia.
- February 2011: Abrus precatorius L., Rosary pea, crab’s-eyes, licorice vine A woody vine, introduced as an ornamental plant, native to Asia.
- January, 2011: Lygodium microphyllum (Cav.) R. Brown, the Old World or Small Leaf Climbing Fern An invasive, exotic climbing fern.
- December, 2010: Lygodium japonicum (Thunberg) Swartz, the Japanese Climbing Fern An invasive, exotic climbing fern that smothers native vegetation with its rank growth.
- October, 2010: Youngia japonica L. (DC.), the Asiatic False Hawksbeard An annual weed native to Asia that has become a nuisance in gardens and nurseries in the United States.
- September, 2010: Murdannia nudifora (L.) Brenan, the Doveweed or Naked-stem Dewflower A warm-season annual that has become a pest in lawns and gardens, as well as a hazard for pets.
- August, 2010: Phyllanthus urinaria L., the chamber bitter or gripe weed A warm-season annual weed that has become an obnoxious pest in gardens, home landscapes and other cultivated areas.
- July, 2010: Dioscorea alata, the white or winged yam An important food crop in the tropics, this vine is becoming a serious weed of natural areas in Florida.
- June, 2010: Sapium sebiferum (Triadica sebifera), the Chinese tallow tree or popcorn tree Deliberately introduced as a crop plant and an ornamental, this tree has escaped cultivation and is aggressively invading natural areas throughout the Southeast.
- May 2010: Rhodomyrtus tomentosa, the downy myrtle (or downy rose-myrtle) An ornamental shrub that has become naturalized and now forms pure stands in parts of central Florida.
- April 2010: Broussonetia papyrifera, paper mulberry A fast-growing, low-branching, bushy tree, occasionally reaching 50 feet in Florida.
- March 2010: Ipomoea aquatica, water spinach A popular Asian vegetable that can become a serious aquatic weed.
- February 2010: Stachys floridana, Florida Betony, Rattlesnake Weed One of our few native plants that is seriously weedy and has become a pest in Florida and beyond.
- January 2010: Mikania micrantha, mile-a-minute An invasive vine that has recently been found for the first time in the continental United States.
