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  2. Desmanthus illinoensis - Wikipedia

    en.wikipedia.org/wiki/Desmanthus_illinoensis

    The plant can be found in many areas of the south, central, and midwestern United States. It can often be found growing on the sides of roads, particularly on southern exposures, needing full sun and ample moisture during its short growing season. The mature plants often grow and flower in mowed areas.

  3. List of Illinois state symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_Illinois_state_symbols

    "Illinois" 5 ILCS 460/35 1925 [9] Tartan Illinois Saint Andrew Society Tartan 5 ILCS 460/95 2012 [1] Theatre The Great American People Show: 5 ILCS 460/70 1995 [1] Tree: White oak (Quercus alba) (replaced "Native Oak" adopted in 1908) 5 ILCS 460/40 1973 [2] [3] Vegetable: Sweet corn: 5 ILCS 460/56 2015 [1] Wildflower: Milkweed (Asclepias spp ...

  4. Smilax rotundifolia - Wikipedia

    en.wikipedia.org/wiki/Smilax_rotundifolia

    Like its common names suggest, Smilax rotundifolia is a green vine with thorns. It is a crawling vine that can tangle itself within other plants and climb with small tendrils. [7] The plant can grow up to 20 feet long by climbing objects and vegetation. If there is nothing for it to climb upon it will grow along the ground.

  5. 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.

  6. Eupatorium perfoliatum - Wikipedia

    en.wikipedia.org/wiki/Eupatorium_perfoliatum

    The plant produces dense clusters of tiny white flower heads held above the foliage. In Illinois, the plant blooms during late summer and early fall. [6] Its native habitats include damp prairies, bogs, and alluvial woods. [7] Eupatorium perfoliatum can form hybrids with other species of the genus Eupatorium, for example Eupatorium serotinum. [3]

  7. Category:Flora of Illinois - Wikipedia

    en.wikipedia.org/wiki/Category:Flora_of_Illinois

    This category contains the native flora of Illinois as defined by the World Geographical Scheme for Recording Plant Distributions. Taxa of the lowest rank are always included; taxa of higher ranks (e.g. genus) are only included if monotypic or endemic. Include taxa here that are endemic or have restricted distributions (e.g. only a few countries).

  8. List of botanical gardens and arboretums in Illinois - Wikipedia

    en.wikipedia.org/wiki/List_of_botanical_gardens...

    Name Image Affiliation City Coordinates Anderson Japanese Gardens: Rockford: Bethalto Arboretum Bethalto: Cantigny: Wheaton: Century Park Arboretum Vernon Hills

  9. List of trees and shrubs by taxonomic family - Wikipedia

    en.wikipedia.org/wiki/List_of_trees_and_shrubs...

    Caribbean copper plant Euphorbiaceae (spurge family) Euphorbia ingens: candelabra tree Euphorbiaceae (spurge family) Euphorbia tetragona: naboom Euphorbiaceae (spurge family) Euphorbia tirucalli: pencil spurge Euphorbiaceae (spurge family) Gymnanthes: gymnanthes trees; Gymnanthes lucida: crabwood Euphorbiaceae (spurge family) Hevea: rubber ...