Théodore Caruel

The Stemonaceae are a family of monocotyledonous flowering plants placed in the order Pandanales. The family consists of four genera with ca 37 known species distributed in areas with seasonal climate across Southeast Asia and tropical Australia. One native species is found in the United States. In earlier systems the family was called Roxburghiaceae, after Roxburghia, now Stemona.

The Sarcolaenaceae are a family of flowering plants endemic to Madagascar. The family includes 79 species of mostly evergreen trees and shrubs in ten genera. Recent DNA studies indicate that the Sarcolaenaceae are a sibling taxon to the family Dipterocarpaceae of Africa, South America, India, Southeast Asia and Malesia.

Parentucellia viscosa is a species of flowering plant in the family Orobanchaceae known by the common names yellow bartsia and yellow glandweed. It is native to Europe, but it can be found on other continents, including Australia and North America, as an introduced species.

Welwitschiaceae is a family of plants of the order Gnetales with one living species, Welwitschia mirabilis, found in southwestern Africa. Three fossil genera have been recovered from the Crato Formation – late Aptian (Lower Cretaceous) strata located in the Araripe Basin in northeastern Brazil, with one of these also being known from the early Late Cretaceous (Cenomanian-Turonian) Akrabou Formation of Morocco.

Parentucellia latifolia is a species of flowering plant in the family Orobanchaceae known by several common names, including red bartsia, red tarweed, and broadleaf glandweed. It is native to Europe, but it can be found on other continents, including Australia, as an introduced species. This is an erect annual herb producing a stiff, slender stem coated in hairs and sticky glands. It reaches a maximum height near 30 centimeters. The hairy leaves are divided into triangular or lance-shaped lobes. The inflorescence is a raceme of flowers at the end of the stem. The flower is tubular, the calyx

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Philydrella is a small genus of flowering plants described as a genus with this name in 1878. The entire genus is endemic to the southwestern portion of Western Australia. Species Philydrella drummondii L.G.Adams Philydrella pygmaea (R.Br.) Caruel

Philydrella pygmaea is a plant species in the Philydraceae family, first described by Robert Brown in 1810 as Philydrum pygmaeum, and transferred to the genus, Philydrella in 1878 by Teodoro Caruel. It is endemic to the south-west of Western Australia.

Helmholtzia glaberrima, commonly referred to as stream lily, is a rhizomatous perennial plant which is native to New South Wales and Queensland in Australia. Stream lilies have long, dark-green strap-like leaves and form clumps that are up to 2 metres high. The tall flower spikes, which appear in the summer, are white or pale pink. They occur in and the McPherson Range and nearby areas of rainforest along creeks and gullies. The species was first formally described by English botanist Joseph Dalton Hooker in The Botanical Magazine in 1873. He gave it the name Philydrum glaberrimum. The

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Exaculum is a monotypic genus of flowering plants belonging to the family Gentianaceae. The only species is Exaculum pusillum. Its native range is Southwestern Europe to Western and Central Mediterranean.

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