| Houstonia parviflora | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Rubiaceae |
| Genus: | Houstonia |
| Species: | H. parviflora |
| Binomial name | |
| Houstonia parviflora Holz. ex Greenm. | |
| Synonyms [1] | |
Hedyotis greenmaniiFosberg | |
Houstonia parviflora, the few-flowered bluet or Greenman's bluet, is a plant species in the Rubiaceae, found only in south-central Texas. [2] [3] [1] [4]
Houstonia caerulea, commonly known as azure bluet, Quaker ladies, or bluets, is a perennial species in the family Rubiaceae. It is native to eastern Canada and the eastern United States. It is found in a variety of habitats such as cliffs, alpine zones, forests, meadows and shores of rivers or lakes.
Bluet or bluets may refer to:
Oldenlandiopsis (creeping-bluet) is a genus of flowering plants in the family Rubiaceae. It is monospecific, comprising only one species, Oldenlandiopsis callitrichoides. This species had previously been placed in Hedyotis or in Oldenlandia. It is native to the West Indies, southern Mexico, and Central America. It is naturalized elsewhere, including Florida, Hawaii, South America, and tropical Africa.
Houstonia (bluet) is a genus of plants in the family Rubiaceae. Many species were formerly classified, along with other genera since segregated elsewhere, in a more inclusive genus Hedyotis.
Houstonia longifolia, commonly known as long-leaved bluet or longleaf summer bluet, is a perennial plant in the family Rubiaceae. It can be found throughout most of the Eastern United States and Canada. It has been reported from every state east of the Mississippi River except Delaware, plus North Dakota, Minnesota, Missouri, Arkansas and Oklahoma, with isolated populations in Kansas and Texas. Also, all Canadian provinces from Quebec to Alberta. It prefers upland woods in poor, dry, often sandy soil.
Houstonia pusilla is a plant in the family Rubiaceae native to the United States and common in the southeastern and central parts of the country, from Texas to Florida north to Delaware and South Dakota, plus an isolated population in Pima County, Arizona.
Houstonia purpurea is a species of flowering plant in the coffee family known by the common names Venus's pride, woodland bluet, and purple bluet. It is native to the eastern United States from eastern Texas and Oklahoma east to Florida and Pennsylvania, with scattered populations in Nebraska, Iowa, Michigan, New York State and New England.
Lomatium greenmanii is a rare species of flowering plant in the carrot family known by the common names Greenman's desertparsley and Greenman's biscuitroot. It is endemic to Oregon in the United States, where it is found only in the Wallowa Mountains of Wallowa County.
Houstonia ouachitana, the Ouachita bluet, is a species of plants in the coffee family. It is endemic to the Ouachita Mountains of Arkansas and Oklahoma. It is an herb up to 20 cm tall, with lanceloate basal leaves and narrowly linear cauline leaves.
Houstonia croftiae, the South Texas bluet or Croft's bluet, is a species of plants in the family Rubiaceae. It is known only from 9 counties in southern Texas: Hidalgo, Starr, Zapata, Webb, La Salle, Duval, Jim Wells, Refugio and San Patricio).
Houstonia correllii, the Zapata County bluet, or Correll's bluet, is a species of plants in the Rubiaceae. It is known only from Zapata County in southern Texas. It is a prostrate, mat-forming plant with white flowers.
Houstonia acerosa, the New Mexico bluet or needleleaf bluet, is a plant species native to Chihuahua, Coahuila, Nuevo León, Tamaulipas, San Luis Potosí, Texas and New Mexico.
Houstonia palmeri, the Saltillo bluet, is a plant species in the family Rubiaceae, native to the Mexican states of Coahuila and Nuevo León.
Houstonia humifusa, commonly called matted bluet, is a plant species in the coffee family (Rubiaceae). It is native to the United States, where it is found in Texas, Oklahoma, and New Mexico. It is typically found in sandy areas, or sometimes over gypsum.
Houstonia micrantha, the southern bluet, is a plant species in the coffee family.
Houstonia rosea, the rose bluet, is a North American plant species in the coffee family. It is a tiny plant only a few centimeters tall, with pink flowers. It is native to the south-central United States: Texas, Oklahoma, Arkansas, Louisiana, Mississippi, Alabama and southern Missouri.
Houstonia serpyllifolia, commonly called thymeleaf bluet, creeping bluet, mountain bluet, Appalachian bluet or Michaux's bluets is a species of plant in the coffee family (Rubiaceae). It is native to the eastern United States, where it is found in the central and southern Appalachian Mountains. It has been documented in the states of Pennsylvania, Maryland, West Virginia, western Virginia, North Carolina, South Carolina, Kentucky, Tennessee, Ohio, and northeastern Georgia.
Houstonia sharpii, the Hidalgo bluet, is a plant species in the family Rubiaceae. It is a herbaceous perennial up to 30 cm tall, spreading by means of stolons spreading along the surface of the ground. It also has white flowers. It is native to the states of Hidalgo, Puebla and Veracruz in Mexico.
Houstonia subviscosa, the nodding bluet, is a plant species in the Rubiaceae. It is native to Texas.
Spermacoceae is a tribe of flowering plants in the family Rubiaceae and contains about 1346 species in 57 genera. Its representatives are found in the tropics and subtropics.
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