Four different stick nettle - like plants are found in Florida , three of which belong to the genus Urtica . bite nettle have midget hairs covering either all or certain parts of the plant that contain a toxic subject matter . When you concern the tiny stinging hairs , you ’ll experience a painful , stinging or cauterize sensation and often a reddish skin rash on your peel . Although all stinging nettle - like plant in Florida are consider herb , they ’re also regarded as sens .
Heart-Leaf Nettle (Urtica Chamaedryoides)
Also call the weak nettle or ortiguilla , the heart - leafage nettle is an annual herb with twinge hairs that ’s aboriginal to Florida . The multiple - stemmed plant develop upright but weak and can get through 20 inches in tiptop . Its leaves are triangular to heart - shaped , ½- to 2-½ inches farseeing and ½- to 1-½ inches wide , and stage opposite one another in pairs along the ramify stem . The leaves have uncouth tooth on the edge . The heart - leaf nettle produces tiny greenish flowers in orb - shaped clusters in the foliage axils from spring until summer . You ’ll find this stick nettle plant life farm in plentiful soils in floodplain , woods , farm land and disturbed dirt .
Stinging Nettle (Urtica Dioica)
The burn nettle plant is similar to the heart - leaf nettle and is found in Florida , but it ’s aboriginal to Eurasia and is a perennial herb . The bite nettle has ellipse - shaped leafage with pointed end and jagged teeth along the edges . The leaf are arranged opposite each other along the stems with flowers in long compound clusters . The spiky , edged thorn are most obtrusive on the leaf and stems .
Burning or Dwarf Nettle (Urtica Urens)
The sting nettle , also called the midget nettle , is also establish in Florida but is native to Europe and peak in elongate prime cluster . This annual herb also has coarsely lobed , oppositely arrange leaves with erose margins , but its leaves are more profoundly serrated than the stinging nettle ( Urtica dioica ) . Also different are the blossom spike , which are shorter than the stinging nettle ’s flowers , and the leaf human body , which is more round . The sting of the burning nettle is milder than the other nettle industrial plant .
Bull Nettle (Cnidoscolus Stimulosus)
Unrelated to the other Urtica species , the bull nettle also has stinging hairs and is found throughout Florida , flourish in ironic , sandy soils along roads , as well as in abandon champaign , maladjusted sites , pine tree forests and other wooded areas . The strapper nettle has stout stems that branch out into a V - shape and grows up to 3 feet tall . The dogshit nettle ’s leaves are hand - shaped with three to five deep , erose lobes and are alternately arranged along the stems . Also called the tread quietly , stinging nettle and spurge nettle , the bull nettle produce ashen , star - shaped blossom , trace by barbed , globe - shaped or cylindric seed capsules that control blue - brown ejaculate . The capsules , stems and leave are all covered in the burry , toxic hairs .
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