Paul Fryxell

Allosidastrum is a New World genus comprising four species in the tribe Malveae in the family Malvaceae. Members of the genus are woody, bearing ovate leaves with long petioles. Flowers - borne without calyculi - bear small, basally rounded calyxes of a length greater than that of their pedicels and whitish or palely yellow petals. Gynoeciums each consist of five to nine carpels and mature into fruits that yield one seed for each of their carpels.

Talipariti was a genus of plants in the mallow family Malvaceae. It is now considered to be a synonym of Hibiscus, in which case its species form the section Hibiscus sect. Azanzae. There were about 22 species, exclusively tropical except for one species whose range extends into temperate areas of Japan and Korea.

Meximalva is a genus of flowering plants belonging to the family Malvaceae. Its native range is Texas to Mexico.

Krapovickasia is a genus of flowering plants in the mallow family Malvaceae, disjunctly distributed in Mexico, Brazil, Paraguay, Uruguay and Argentina. Perennial herbs, they have yellowish to peach or faded rose colored flowers.

Dendrosida is a genus of flowering plants belonging to the family Malvaceae. Its native range is Southern Mexico, Colombia to Venezuela. Species: Dendrosida batesii J.E.Fryxell Dendrosida breedlovei Fryxell Dendrosida cuatrecasasii Fuertes Dendrosida oxypetala (Triana & Planch.) Fryxell Dendrosida parviflora Fryxell Dendrosida sharpiana (Miranda) J.E.Fryxell

Akrosida is a genus in the tribe Malveae, of the plant family Malvaceae.

Hibiscus hastatus is a taxon synonym for several species of flowering plants: Hibiscus hastatus Cav., synonym of Kosteletzkya depressa (L.) O.J.Blanch., Fryxell & D.M.Bates Hibiscus hastatus L.f., synonym of Hibiscus tiliaceus subsp. tiliaceus Hibiscus hastatus Michx., synonym of Hibiscus laevis All.

Rhynchosida is a genus of flowering plants belonging to the family Malvaceae. Its native range is Arizona to Oklahoma and Mexico, Bolivia to southern Brazil and northern Argentina. Species: Rhynchosida kearneyi Fryxell Rhynchosida physocalyx (A.Gray) Fryxell

Hibiscus escobariae is a species of flowering plant in the family Malvaceae. It is found only in Ecuador. Its natural habitat is subtropical or tropical dry forests.

Hampea breedlovei is a species of flowering plant in the family Malvaceae. It is found only in Mexico.

Fuertesimalva is a genus of flowering plants in the mallow family Malvaceae, native to Mexico, Venezuela, Colombia, Ecuador, Bolivia, Peru and Argentina. Most species in this genus were originally placed in Urocarpidium.

Batesimalva is a genus of flowering plants belonging to the family Malvaceae. Its native range is Texas to Northern Mexico, Venezuela. Species: Batesimalva killipii Krapov. ex Fryxell Batesimalva lobata Villarreal & Fryxell Batesimalva pulchella Fryxell Batesimalva stipulata Fryxell Batesimalva violacea (Rose) Fryxell

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Sidasodes is a genus of flowering plants belonging to the family Malvaceae. Its native range is Western South America.

Robinsonella brevituba is a species of flowering plant in the family Malvaceae. It is found only in Mexico.

Hampea sphaerocarpa is a species of flowering plant in the family Malvaceae. It is found in Guatemala and Honduras. It is threatened by habitat loss.

Hampea reynae, the majagua, is a species of flowering plant in the family Malvaceae. It is endemic to the cloud forests of El Salvador, and was first described in 1980 by Paul Fryxell.

Alyogyne huegelii is a flowering plant found in the Southwest botanical province of Western Australia, extending along its entire coastline. A large-flowered shrub, the species favours the sands of coastal shrublands and heath. The large flower, highly variable in colour, is similar to that of Hibiscus. It was previously placed in that genus, and is commonly named lilac hibiscus and blue hibiscus. It is widely cultivated as a flowering plant for the garden. Previously published varieties and cultivars are no longer formally recognised.

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Wercklea grandiflora is a species of plant in the family Malvaceae. It is endemic to Panama. It is threatened by habitat loss.

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Wercklea cocleana is a species of plant in the family Malvaceae. It is endemic to Panama. It is threatened by habitat loss.

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Rojasimalva is a monotypic genus of flowering plants belonging to the family Malvaceae. It only contains one known species, Rojasimalva tetrahedralis Fryxell It is native to Venezuela. The genus name of Rojasimalva is in honour of Carmen Emilia Benítez de Rojas (b. 1937), a Venezuelan botanist, university professor. She was also a specialist in Solanaceae. The Latin specific epithet of tetrahedralis is a compound word made up of tetra meaning four, and hedra meaning face or faces. Similar to Tetrahedron (a geometric shape with four faces). Both the genus and the species were first described

Robinsonella samaricarpa is a species of flowering plant in the family Malvaceae. It is found only in Mexico.

Pseudabutilon thurberi, common name Thurber's Indian mallow, is a plant native to southern Arizona, Sonora, and Chihuahua. It is an erect or decumbent subshrub less than one meter tall, with yellow flowers up to six millimeters in diameter. It occurs in shaded locations in the mountains.

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Nototriche ecuadoriensis is a species of flowering plant in the family Malvaceae. It is found only in Ecuador. Its natural habitat is subtropical or tropical high-altitude grassland.