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  2. Helminthotheca echioides - Wikipedia

    en.wikipedia.org/wiki/Helminthotheca_echioides

    Helminthotheca echioides, known as bristly (or prickly) oxtongue, is a sprawling annual or biennial herb native to Europe and North Africa.It was originally placed within the genus Picris but is often separated within the small genus Helminthotheca alongside a few other (mainly North African) plants which also have the distinctive outer row of bracts around the flowerheads.

  3. Extatosoma tiaratum - Wikipedia

    en.wikipedia.org/wiki/Extatosoma_tiaratum

    Binomial name. Extatosoma tiaratum. (Macleay, 1826) Extatosoma tiaratum, commonly known as the spiny leaf insect, the giant prickly stick insect, [2] Macleay's spectre, [3] or the Australian walking stick, is a large species of Australian stick insect. [4][5] The species has the Phasmid Study Group number PSG9. [6]

  4. Datura stramonium - Wikipedia

    en.wikipedia.org/wiki/Datura_stramonium

    Datura stramonium is an erect, annual, freely branching herb that forms a bush up to 60 to 150 cm (2 to 5 ft) tall. [10][11][12] The root is long, thick, fibrous, and white. The stem is stout, erect, leafy, smooth, and pale yellow-green to reddish purple in color. The stem forks off repeatedly into branches and each fork forms a leaf and a ...

  5. Echinocystis - Wikipedia

    en.wikipedia.org/wiki/Echinocystis

    Echinocystis is a monotypic genus in the gourd family, Cucurbitaceae. The sole species is E. lobata, commonly called wild cucumber and prickly cucumber. It is an annual, sprawling plant that is native to North America. Sicyos angulatus, common name "bur cucumber", is an annual plant with a similar clinging vine growth but different-appearing ...

  6. Thorns, spines, and prickles - Wikipedia

    en.wikipedia.org/wiki/Thorns,_spines,_and_prickles

    Prickles on a blackberry branch. In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions or modifications of leaves, roots, stems, or buds with sharp, stiff ends, and generally serve the same function: physically defending plants against herbivory.

  7. Hieracium horridum - Wikipedia

    en.wikipedia.org/wiki/Hieracium_horridum

    Hieracium horridum. Hieracium horridum, [1] known as the prickly hawkweed [2] or shaggy hawkweed, is a species of plant in the family Asteraceae. It gets its name from the long, dense, shaggy white to brown hairs (trichomes) which cover all of the plant parts [3] of this plant species. [4] The species is native to Oregon, California, and Nevada ...

  8. Lactuca serriola - Wikipedia

    en.wikipedia.org/wiki/Lactuca_serriola

    Lactuca serriola, also called prickly lettuce, [2] milk thistle[2] (not to be confused with Silybum marianum, also called milk thistle), compass plant, [2] and scarole, [2] is an annual or biennial plant in the tribe Cichorieae within the family Asteraceae. It has a slightly fetid odor and is commonly considered a weed of orchards, roadsides ...

  9. Spiky creatures wash up on Texas beach, described as 'your ...

    www.aol.com/news/spiky-creatures-wash-texas...

    A bearded, venomous creature has emerged on the beaches of Corpus Christi. Prickly fireworms, also called bristle worms, washed up along the Texas Gulf Coast and beachgoers are on high alert.