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Hackelia virginiana, a biennial plant, is commonly known as beggar's lice, [2] [3] sticktight or stickseed. [3] However, the common names beggar's lice and stick-tight are also used for very different plants, such as Desmodium species that are also known as "tick-trefoil".
Thumbtack-like Tribulus terrestris burs are a hazard to bare feet and bicycle tires.. After the flower blooms, a fruit develops that easily falls apart into five burs. [3] The burs are hard and bear two to four sharp spines, [3] 10 mm (0.39 in) long and 4–6 mm (0.16–0.24 in) broad point-to-point.
Sticker grass is a common name which may refer to bur-producing plants including:
Texas bullnettle (Cnidoscolus texanus), Attwater Prairie Chicken National Wildlife Refuge, Colorado Co., TX, USA; 15 May 2013. It is a perennial plant with erect or sprawling branching stems growing from thick root stock, up to 40 inches long and 8 inches thick. It has milky latex and stiff prickly glandular-based, stinging hairs.
Numerous non-native plants have been introduced to Texas in the United States and many of them have become invasive species. The following is a list of some non-native invasive plant species established in Texas. [1] [2] [3] [4]
Geum bur Hooked burs of Arctium (Burdock) Xanthium bur Close-up of a single Arctium bur. A bur (also spelled burr) [1] is a seed or dry fruit or infructescence that has hooks or teeth. . The main function of the bur is to spread the seeds of the bur plant, often through epizoocho
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The plant can be found growing in hedges and waste places, limestone scree and as a garden weed. [21] [22] G. aparine prefers moist soils and can exist in areas with poor drainage. It reportedly flourishes in heavy soils with above-average nitrogen and phosphorus content, and prefers soils with a pH value between 5.5 and 8.0.