Flora of Missouri

Tradescantia longipes, commonly known as the wild crocus (although it is not closely related to plants in the genus Crocus), is a perennial herbaceous plant in the dayflower family. It is found only in the Ozark Mountains of southern Missouri and northern Arkansas in the Midwest United States. A spring blooming species, its flowers can be observed from April to May, typically in its preferred habitat of wooded slopes on rocky hillsides. While most other members of the genus in North America have stems reaching at least a few inches above the soil, the flowering shoots of Tradescantia longipes

Trillium viride, commonly called the wood wakerobin, is a species of flowering plant in the family Melanthiaceae. It is found in the central United States, in certain parts of Missouri and Illinois. The specific epithet viride means "youthful" or "fresh-green", an apparent reference to the color of the plant's flower petals. For this reason, it is also called the green trillium, not to be confused with other green-flowered trilliums such as T. viridescens and the green form of T. sessile, both of which are found in Missouri.

Delphinium treleasei, commonly known as named glade larkspur or Trelease's larkspur, is a perennial flowering plant found it temperate areas of the eastern United States. It is native to Missouri and Arkansas where it is often situated in limestone glades but is not common in North America. It is endemic to Ozark highlands in eight southwestern Missouri counties and eight counties in northwestern Arkansas. D. treleasei is a vascular, seed plant, part of the buttercup family (Ranunculaceae). The name Delphinium treleasei originates from the Greek "delphis" which means dolphin in reference to

Helenium virginicum is a rare species of flowering plant in the aster family known by the common name Virginia sneezeweed. It occurs in the United States, where it has a disjunct distribution; it is known only from Virginia and Missouri. It is limited to a specific type of habitat and it is threatened by modification of this habitat. It was federally listed as a threatened species of the United States in 1998. At the time the plant received federal protection it was known from 28 populations in two Virginia counties. Soon after, a population of similar plants was found in Missouri and by

Boltonia decurrens is a rare species of flowering plant in the family Asteraceae known by the common names decurrent false aster and claspingleaf doll's daisy. It is native to the floodplains along the Illinois and Mississippi Rivers in the United States, where the habitat has been drastically altered, leading to its decline. The plant was once distributed across 400 kilometers of riverside forest from LaSalle, Illinois, to St. Louis, Missouri. As the rivers and riparian habitat alongside them have been developed, the plant's distribution has been fragmented into 40 to 43 separate

Hamamelis vernalis, the Ozark witchhazel (or witch-hazel) is a species of flowering plant in the witch-hazel family Hamamelidaceae, native to the Ozark Plateau in central North America, in Missouri, Oklahoma, and Arkansas. It is a large deciduous shrub growing to 4 m (13 ft) tall.

Crataegus nitida, the glossy hawthorn or shining hawthorn, is a species of flowering plant in the family Rosaceae, native to the US states of Illinois, Missouri and Arkansas. Hardy to USDA zone 5, it is useful in landscaping applications where a small, showy tree with thorns is desired.

Tradescantia ozarkana, the Ozark spiderwort, is a species of Tradescantia. It is part of the Commelinaceae family, native to the States of Missouri, Arkansas, and Oklahoma in the south-central United States. It flowers from April to May and can be found in rich, rocky areas, including woods and bluff ledges.

Physaria filiformis (syn. Lesquerella filiformis) is a rare species of flowering plant in the family Brassicaceae known by the common names Missouri bladderpod and limestone glade bladderpod. It is native to Missouri and Arkansas in the United States. It was federally listed as an endangered species in 1987 and it was downlisted to threatened status in 2003. P. filiformis remains listed as an endangered species at the state level in Missouri.

Solidago gattingeri, common name Gattinger's goldenrod, is a species of plant that is a goldenrod. It is native only to the Ozark Mountains of Arkansas and Missouri and to the Nashville Basin of Tennessee. Its preferred habitat is cedar glades, cedar barrens, and limestone outcrops. It is adapted to dry habitats. Solidago gattingeri is a perennial that produces yellow flowers in late summer. One plant can produce as many as 250 small yellow flower heads, some of then in large arrays at the top of the plant, others in smaller clusters on side branches. It is distinguished from the related

Galium arkansanum, the Arkansas bedstraw, is a plant species in the Rubiaceae. It is native to the Ozark and Ouachita Mountains of Missouri, Arkansas and Oklahoma in the United States.

Solidago drummondii, commonly called Drummond's goldenrod, is a North American species of flowering plants in the family Asteraceae. It is native to the middle Mississippi Valley of the Central United States, primarily in Missouri and Arkansas but with additional populations in Louisiana and Illinois. Solidago drummondii is a perennial herb up to 100 cm (40 inches) tall, with an underground caudex and rhizomes. One plant can produce 200 or more small yellow flower heads in a large branching (sometimes drooping) array at the top of the plant.

Dirca decipiens, the Ozark leatherwood, is a deciduous shrub endemic to northwestern Arkansas, southeastern Kansas, and southwestern Missouri. It is distinguished from the more widespread eastern leatherwood by its sessile fruits and finely hairy leaves and stems.

Echinacea paradoxa, the yellow coneflower, Bush's purple coneflower, or Ozark coneflower, is a North American species of flowering plant in the family Asteraceae. It is native to southern Missouri, Arkansas, and south-central Oklahoma. It is listed as threatened in Arkansas.

Vernonia arkansana (also known as Arkansas ironweed and great ironweed) is a species of perennial plant from family Asteraceae found in south-central United States. The plant is 4–6 feet (1.2–1.8 m) high and 3–4 feet (0.91–1.22 m) wide. The flowers bloom from August to September and are pink-purple coloured. The cultivar 'Mammuth' is a recipient of the Royal Horticultural Society's Award of Garden Merit.

Selenia aurea, the golden selenia, is a flowering plant in the mustard family (Brassicaceae). It is endemic to the southern United States where it grows in sunny prairies, barrens, and glades of Arkansas, Kansas, Missouri, and Oklahoma. It flowers between March and May.

Geocarpon minimum is a species of flowering plant in the carnation family (Caryophyllaceae) which is known by the common names tinytim and earth-fruit. It is a rare plant known from about 34 populations in the US states of Arkansas, Louisiana, Missouri, Texas, and Oklahoma. There are a number of threats to its survival and it was listed as a threatened species of the United States in 1987. Most of the populations are located in Missouri, with a few more in nearby states. It was discovered in Anderson County, Texas, in 2004. The plant was probably widespread on the North American continent

Desmanthus leptolobus, known as prairie mimosa, prairie bundleflower or slenderlobe bundleflower, is a flowering plant of the genus Desmanthus. It is native to Kansas, Oklahoma, and Texas and has spread to Missouri and New Mexico. It is often locally abundant over large expanses of rolling prairie.

Castilleja purpurea, known as downy Indian paintbrush, is a wildflower native to Texas, Oklahoma, Kansas, and Missouri. The flowers of various subspecies display a wide variety of forms and colors. Blooms may be white, pale yellow, peach, or tinged with pink and the foliage may be green or purple. The subspecies of C. purpurea are argued to be their own species in the genus Castilleja.

Tradescantia tharpii, the shortstem spiderwort or spider lily, is a species of flowering plant in the family Commelinaceae, native to the central United States. It is small for its genus, reaching only 8–12 in (20–30 cm). It is recommended for shady naturalistic settings.

Palafoxia callosa, commonly known as the small palafox, or spanish needles is a species of flowering plant in the aster family. It is native to North America, where it is found in the south-central United States and in the state of Coahuila in Mexico. A disjunct population is found in the Blackland Prairie region of Mississippi in the United States. Its natural habitat is rocky, calcareous soil in glades and prairies. It is less commonly found along the banks of streams. It is popular for butterfly gardens. Palafoxia callosa is an annual. It produces heads of pink to white flowers in late

Nemastylis nuttallii, the Nuttall's pleatleaf, Ozark celestial-lily or pine woods lily, is a plant species native to Arkansas, Missouri and Oklahoma in the south-central United States. Some authors have mistakenly called this species N. coelestina. Nemastylis nuttallii is a bulb-forming perennial herb up to 40 cm (3 feet) tall. Stems are usually unbranched. Leaves are very narrow and linear. Flowers are pale blue, opening in the evening.

Cornus × arnoldiana, the Arnold dogwood, is a hybrid dogwood native to eastern North America. It is reported from Ontario, Missouri, Ohio, Pennsylvania, and Massachusetts. It is a member of the dogwood genus Cornus and the family Cornaceae. Arnold dogwood is derived from natural crosses between silky dogwood (Cornus amomum) and gray dogwood (Cornus racemosa). Intermediate shrubs were first noted in the Arnold Arboretum by Alfred Rehder, who described and named the hybrid. The name is an allusion to the place of its discovery.

Penstemon arkansanus is a species of flowering plant in the plantain family known by the common name Arkansas beardtongue. It is endemic to Texas, Arkansas, Oklahoma, Missouri, and Illinois in the United States, occurring in rocky or sandy soils of shale or sandstone.

Crataegus texana, the Texas hawthorn, is a member of the family Rosaceae. Typically, it is found in the form of a small tree or a large shrub and blooms in early spring, usually in the months of March and April. Flowers of the Texas Hawthorn are white and usually produce small, one-inch, scarlet fruits that are said to resemble tiny red apples. Its twigs are usually armed with thorns that can grow to be about one to three inches long.

Opuntia nemoralis is a species of cactus (Cactaceae) native to the United States.

Juniperus ashei (Ashe juniper, mountain cedar, blueberry juniper, post cedar, or just cedar) is a drought-tolerant evergreen tree, native from northeastern Mexico and the south-central United States to southern Missouri. The largest areas are in central Texas, where extensive stands occur. Ashe juniper grows up to 10 metres (33 feet) tall, and over time can reach 15 m (49 ft), and provides erosion control and year-round shade for wildlife and livestock.

Yucca arkansana, the Arkansas yucca, is a plant in the family Asparagaceae, native to Texas, Oklahoma, Arkansas, Missouri and Kansas. It generally grows in gravelly, sunlit locations such as rocky outcrops, prairies, etc. It is not considered to be threatened. Yucca arkansana is one of the smaller members of the genus Yucca, acaulescent or with a stem no more than 76 cm tall. Flowers are greenish-white, borne on a flowering stalk up to 180 cm (72 inches) tall. A number of yucca moths lay their eggs upon Y. arkansana as a host plant, an example being Tegeticula intermedia.

Castanea ozarkensis, also known as the Ozark chinkapin (also spelled chinquapin), is a species of tree that is native to the United States. It is in the Castanea genus that includes chestnuts and types of chestnut known as chinkapins.

Trillium viridescens, also known as the Ozark trillium or tapertip wakerobin, is a species of flowering plant in the family Melanthiaceae. It is found in parts of Arkansas, Missouri, Oklahoma, Kansas, Texas and Louisiana. It usually grows in rich deciduous forests and mountain ranges where the soil is clayey and calcareous.