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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.
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".
Sticker grass is a common name which may refer to bur-producing plants including:
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.
Cyperus polystachyos, also known as Pycreus polystachyos, and also called manyspike flatsedge in the US, [3] or bunchy sedge, [4] [5] coast flatsedge, many-spiked sedge or Texas sedge in Australia, [5] is a herbaceous species in the family Cyperaceae, widespread in tropical and subtropical areas around the world, sometimes extending its range into temperate regions.
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]
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Solanum rostratum is a species of nightshade (genus Solanum) that is native to the United States and northern and central Mexico. [2] Common names include buffalobur nightshade, [3] buffalo-bur, [4] spiny nightshade, Colorado bur, Kansas thistle, bad woman, Mexican thistle, and Texas thistle.