Boronia grandisepala | |
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Boronia grandisepala in the Nitmiluk National Park | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Sapindales |
Family: | Rutaceae |
Genus: | Boronia |
Species: | B. grandisepala |
Binomial name | |
Boronia grandisepala | |
Occurrence data from Australasian Virtual Herbarium |
Boronia grandisepala is a plant in the citrus family Rutaceae and is endemic to northern parts of the Northern Territory. It is an erect shrub with elliptic leaves and white, pink or burgundy-coloured, four-petalled flowers.
Boronia grandisepala is an erect shrub that grows to 150 cm (60 in) high and wide. Its branches and leaves are covered with star-like hairs. The leaves are elliptic to almost lance-shaped, 7–55 mm (0.3–2 in) long and 1.5–14 mm (0.06–0.6 in) wide with a petiole 1.5–14 mm (0.06–0.6 in) long. The flowers are usually arranged singly in leaf axils on a pedicel up to 2.5 mm (0.1 in) long. The four sepals are larger than the petals, white, pink or burgundy coloured, broadly egg-shaped, 7–10 mm (0.3–0.4 in) long and 2–5.5 mm (0.08–0.2 in) wide but increase in size as the fruit develops. The four petals are 4–6 mm (0.16–0.24 in) long and 1.5–3 mm (0.06–0.1 in) wide. Flowering occurs from December to June. [2]
Boronia grandisepala was first formally described in 1859 by Ferdinand von Mueller who published the description in Fragmenta phytographiae Australiae . [3] [4] The specific epithet (grandisepala) is derived from the Latin words grandis meaning "large" and sepalum meaning "sepal", [5] [6] [7] giving "large sepaled Boronia".
In 1997, Marco Duretto described two subspecies in the journal Australian Systematic Botany and the names have been accepted by the Australian Plant Census:
Subspecies grandisepala grows in heath and woodland from near Jim Jim Falls to the Nitmiluk National Park. Subspecies acanthophida grows in sandstone heath and woodland between Jim Jim Falls and Deaf Adder Falls 40 km (20 mi) north. [2]
This boronia is classed as of "least concern" under the Northern Territory Government Parks and Wildlife Conservation Act. [10]
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Philotheca brucei is a species of flowering plant in the family Rutaceae and is endemic to Western Australia. It is a shrub with cylindrical leaves grooved along the top and in spring, white to pink or mauve flowers with five egg-shaped petals.
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