| Bartonia paniculata | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Gentianaceae |
| Genus: | Bartonia |
| Species: | B. paniculata |
| Binomial name | |
| Bartonia paniculata (Michx.) Muhl. | |
| Subspecies [2] | |
| |
Bartonia paniculata, commonly known as twining screwstem, is a saprophytic, annual or biennial species that grows in acidic, sandy-peaty wetlands. [1]
Bartonia paniculata is the northernmost-ranging species in the genus Bartonia . [3] It is found along the Atlantic coastal plain; its widespread range crosses 29 American states and five Canadian provinces, and overlaps with that of Bartonia virginica . [3] [4] The subspecies texana is found in eastern Texas and northeastern Louisiana; it was previously identified as Bartonia texana. [2]
Twining screwstem is legally protected in the state of Michigan as a threatened species. [5]
Populations of the subspecies texana have declined by 50% over the past 57 years. [6] It is found within the baygalls of the coastal plain forests of southeastern Texas. As the baygalls have become rarer as a plant community, the texana subpopulation has also declined. [6]
Arundinaria is a genus of bamboo in the grass family the members of which are referred to generally as cane. Arundinaria is the only bamboo native to North America, with a native range from Maryland south to Florida and west to the southern Ohio Valley and Texas. Within this region Arundinaria canes are found from the Coastal Plain to medium elevations in the Appalachian Mountains.
Cladium is a genus of large sedges, with a nearly worldwide distribution in tropical and temperate regions. These are plants characterized by long, narrow (grass-like) leaves having sharp, often serrated (sawtooth-like) margins, and flowering stems 1–3 m tall bearing a much-branched inflorescence. Like many plants found in wet habitats, it has deeply buried rhizomes that can produce tall shoots with dense canopies.
Cardamine is a large genus of flowering plants in the mustard family, Brassicaceae, known as bittercresses and toothworts. It contains more than 200 species of annuals and perennials. Species in this genus can be found in diverse habitats worldwide, except the Antarctic. The name Cardamine is derived from the Greek kardaminē, water cress, from kardamon, pepper grass.
Bartonia is a genus of the gentian family, tribe Gentianeae, subtribe Swertiinae. Members of this genus are called screwstems. Bartonia was also the name of a genus in the Loasaceae family, but those species are now generally classified under the genus Mentzelia.
Attwater's prairie-chicken is a highly endangered subspecies of the greater prairie-chicken that is native to coastal Texas and formerly Louisiana in the United States.
Digitaria is a genus of plants in the grass family native to tropical and warm temperate regions but can occur in tropical, subtropical, and cooler temperate regions as well. Common names include crabgrass, finger-grass, and fonio. They are slender monocotyledonous annual and perennial lawn, pasture, and forage plants; some are often considered lawn pests. Digitus is the Latin word for "finger", and they are distinguished by the long, finger-like inflorescences they produce.
Muhlenbergia is a genus of plants in the grass family.
Chasmanthium latifolium, known as fish-on-a-fishing-pole, northern wood-oats, inland sea oats, northern sea oats, and river oats is a species of grass native to the central and eastern United States, Manitoba, and northeastern Mexico; it grows as far north as Pennsylvania and Michigan, where it is a threatened species. The species was previously classified as Uniola latifolia.
The Tusket River is a Canadian river located in Nova Scotia's Yarmouth County.
Diospyros texana is a species of persimmon that is native to central, south and west Texas and southwest Oklahoma in the United States, and eastern Chihuahua, Coahuila, Nuevo León, and Tamaulipas in northeastern Mexico. Common names include Texas persimmon, Mexican persimmon and the more ambiguous "black persimmon". It is known in Spanish as chapote, chapote manzano, or chapote prieto, all of which are derived from the Nahuatl word tzapotl. That word also refers to several other fruit-bearing trees.
Hymenoxys texana is a rare species of flowering plant in the aster family known by the common names prairie dawn, Texas prairie dawn-flower, and Texas bitterweed. It is endemic to Texas, where it is known only from the general vicinity of Houston. It is threatened by the loss of its habitat. It is a federally listed endangered species of the United States.
Euphyes dukesi, or Dukes' skipper, is a butterfly of the family Hesperiidae. It lives in the eastern United States and in a small portion of southern Ontario, Canada, in three distinct populations. Preferred habitats are shaded wetlands, with various species of sedge plants it uses as host plants for its larvae.
A bayhead or baygall is a specific type of wetland or swamp habitat. The name baygall is derived from sweetbay magnolia and sweet gallberry holly. Baygalls are recognized as a discrete ecosystem by ecologists and the swamps have been described as "distinct wetland communities in the Natural Communities of Louisiana". Baygall swamps are most often found in the low lying margins of floodplains and bottomlands with little or poor drainage to the main creek, bayou, or river channel. Baygall or bayhead swamps found on slopes and hillsides are sometimes referred to as a forest seep or hanging bogs. Hanging bogs are typically found in hardwood-pine forests. Most baygall swamps are semi-permanently saturated, or flooded.
Galium circaezans, common name licorice bedstraw or wild licorice, is a plant species in the family Rubiaceae. It is native to the eastern half of the United States from the Great Plains to the Atlantic, plus Quebec and Ontario. There are also a few isolated populations in Washington state, probably adventive. Galium circaezans was originally described by André Michaux in Flora Boreali-Americana. It is also known as white licorice, forest bedstraw, and more. Galium circaezans is a weedy, herbaceous perennial or subshrub. It is native to Central and Eastern North America. Other synonyms of Galium circaezans include Galium brachiatum Muhl. (Illegitimate), Galium circaeoides Roem. & Schult, and Galium rotundifolium var. circaezans (Michx.) Kuntze. Galium circaezans is not threatened to go extinct.
Mammillaria prolifera, commonly known as the Texas or West Indian nipple-cactus, grape cactus, or hair-covered cactus, is a species of cactus native to North America. Three subspecies are currently recognized: M. prolifera subsp. prolifera, M. prolifera subsp. arachnoidea (Mexico), and M. prolifera subsp. texana. The subspecies differ in overall size, the number and color of the spines, and the shape and color of the flowers. Its round or slightly elongated stems usually form small, dense clusters, and flowers are commonly born alongside fruit. It is one of the most popular and widely grown Mammillaria species.
Asclepias hirtella, commonly called the tall green milkweed, is a species of flowering plant in the milkweed genus and dogbane family (Apocynaceae). It is native to Canada and the United States, where its range is concentrated in the Midwest and Upper South.
Aristida dichotoma, known as churchmouse threeawn, fork-tip three-awn, pigbutt three-awn, and poverty grass, is a species of grass from eastern North America. It is native to the Eastern and Midwestern United States and Ontario, Canada. It has been introduced in California. It was described in 1803 by André Michaux.
Bartonia virginica is species of flowering plant in Gentianaceae. It is the commonly called yellow screwstem or yellow bartonia and it is an annual species with small pale green to yellow flowers.
Nabalus racemosus, glaucous white lettuce, is a North American species associated with wet habitats such as streamsides, bogs, and moist parries. It is part of the large and diverse daisy family.
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