Thryptomene costata | |
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Scientific classification ![]() | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Myrtales |
Family: | Myrtaceae |
Genus: | Thryptomene |
Species: | T. costata |
Binomial name | |
Thryptomene costata | |
Thryptomene costata is a species of flowering plant in the family Myrtaceae and is endemic to Western Australia. It is an erect shrub with upward pointing, egg-shaped leaves with the narrower end towards the base, and white or pink flowers with five petals and ten stamens.
Thryptomene costata is an erect shrub that typically grows to a height of 1–3 m (3 ft 3 in – 9 ft 10 in) and has many branches from just above ground level. Its leaves are pointed upwards and egg-shaped with the narrower end towards the base, 2–4.3 mm (0.079–0.169 in) long and 1.4–1.8 mm (0.055–0.071 in) wide on a petiole 0.4–0.7 mm (0.016–0.028 in) long. The flowers are arranged in pairs in up to four adjacent leaf axils, on peduncles 1–2 mm (0.039–0.079 in) long with egg-shaped bracteoles 1.3–3 mm (0.051–0.118 in) long that fall from the flower buds. The flowers are 7.5–9.5 mm (0.30–0.37 in) in diameter with egg-shaped, white or pale pink sepals 2.0–2.5 mm (0.079–0.098 in) long. The petals are white to deep pink, 2.5–3.3 mm (0.098–0.130 in) long and there are ten stamens opposite the sepals and petals. Flowering occurs from May to November. [2] [3]
Thryptomene costata was first formally described in 2001 by Barbara Lynette Rye and Malcolm Eric Trudgen in the journal Nuytsia from specimens collected by Trudgen in 1978. [2] [4] The specific epithet (costata) means "ribbed", referring to the floral cup. [2]
This thryptomene grows on granite outcrops and other rocky places between Cue and Wubin and from Tallering Peak to near Menzies in the Avon Wheatbelt, Coolgardie, Murchison and Yalgoo biogeographic regions. [3] [2]
Thryptomene costata is classified as "not threatened" by the Western Australian Government Department of Parks and Wildlife. [3]
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Thryptomene biseriata is a species of flowering plant in the family Myrtaceae and is endemic to arid areas of southern central Australia. It is an erect, multi-stemmed shrub with more or less round to club-shaped leaves and pink flowers with five petals and five stamens.
Thryptomene caduca is a species of flowering plant in the family Myrtaceae and is endemic to a small area in the north-west of Western Australia. It is a spreading shrub with crowded egg-shaped leaves with the narrower end towards the base, and pink flowers with five petals and seven to nine stamens.
Thryptomene calcicola is a species of flowering plant in the family Myrtaceae and is endemic to a small area in the north-west of Western Australia. It is an erect, sometimes spreading shrub with upwards-pointing linear leaves, and pinkish-mauve flowers with five petals and ten stamens.
Thryptomene decussata is a species of flowering plant in the family Myrtaceae and is endemic to Western Australia. It is an erect shrub with upward pointing, egg-shaped leaves, and white or pink flowers with five petals and twenty to thirty stamens in two whorls.
Thryptomene dampieri is a species of flowering plant in the family Myrtaceae and is endemic to the north-west of Western Australia. It is a low, spreading shrub with prostrate stems, broadly egg-shaped leaves with the narrower end towards the base, and pinkish flowers with five petals and ten stamens.
Thryptomene duplicata is a species of flowering plant in the family Myrtaceae and is endemic to Western Australia. It is a spreading shrub with upward pointing, egg-shaped leaves with the narrower end towards the base, and white flowers with five petals and about fifteen stamens in two whorls.
Thryptomene elliottii is a species of flowering plant in the family Myrtaceae and is endemic to southern central Australia. It is a shrub with decussate, egg-shaped to club-shaped leaves and pink or white flowers with five petals and five stamens.
Thryptomene eremaea is a species of flowering plant in the family Myrtaceae and is endemic to Western Australia. It is an erect shrub with upward-pointing, oval leaves and white or pale pink flowers with five petals and ten irregularly arranged stamens.
Thryptomene globifera is a species of flowering plant in the family Myrtaceae and is endemic to western areas of Western Australia. It is a shrub with crowded, upward-pointing, broadly egg-shaped leaves with the narrower end towards the base, and pale pink or mauve flowers with ten stamens.
Thryptomene hubbardii is a species of flowering plant in the family Myrtaceae and is endemic to a small area in the west of Western Australia. It is a spreading shrub with crowded broadly egg-shaped leaves with the narrower end towards the base, and flowers with five pale pink petals and nine or ten stamens.
Thryptomene johnsonii is a species of flowering plant in the family Myrtaceae and is endemic to a restricted area of Western Australia. It is a bushy shrub with rigid branches, egg-shaped leaves with the narrower end towards the base and pink flowers with five petals and usually eight stamens.
Thryptomene mucronulata is a species of flowering plant in the family Myrtaceae and is endemic to Western Australia. It is an erect shrub with upward-pointing, overlapping, egg-shaped leaves with the narrower end towards the base and pink flowers with five petals and ten stamens.
Thryptomene naviculata is a species of flowering plant in the family Myrtaceae and is endemic to central areas of Western Australia. It is a rounded shrub with overlapping, decussate, egg-shaped leaves with the narrower end towards the base and white flowers with five petals and five stamens.
Thryptomene nitida is a species of flowering plant in the family Myrtaceae and is endemic to a small area in the south-west of Western Australia. It is a spreading shrub with upward-pointing, egg-shaped leaves with the narrower end towards the base, and flowers with five pale purple or pinkish petals and ten stamens.
Thryptomene orbiculata is a species of flowering plant in the family Myrtaceae and is endemic to the west of Western Australia. It is a shrub with broadly egg-shaped to more or less round leaves, and flowers with five pinkish petals and usually ten stamens.
Thryptomene pinifolia is a species of flowering plant in the family Myrtaceae and is endemic to Kalbarri National Park in Western Australia. It is a shrub with linear leaves, and flowers with pale pinkish sepals and petals and seven or eight stamens.
Thryptomene podantha is a species of flowering plant in the family Myrtaceae and is endemic to the west of Western Australia. It is a shrub with egg-shaped leaves with the narrower end towards the base, and flowers with pink sepals and petals and ten stamens.
Thryptomene repens is a species of flowering plant in the family Myrtaceae and is endemic to a restricted area in the west of Western Australia. It is a prostrate shrub with egg-shaped leaves with the narrower end towards the base, and flowers with pink sepals and petals and ten stamens.