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Ricinocarpos stylosus

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Ricinocarpos stylosus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Ricinocarpos
Species:
R. stylosus
Binomial name
Ricinocarpos stylosus
Synonyms[1]
  • Bertya andrewsii W.Fitzg.
  • Ricinocarpus stylosus Diels orth. var.

Ricinocarpos stylosus is a species of flowering plant in the family Euphorbiaceae and is endemic to the Norseman district of Western Australia. It is a spreading, rounded, monoecious or dioeceous shrub or small tree, with linear to narrowly oblong leaves and female flowers arranged singly, or with two to five male flowers, or a single female flower surrounded by up to four male flowers.

Ricinocarpos stylosus is a spreading, rounded, monoecious or dioecious shrub that typically grows to height of up to 2 m (6 ft 7 in), sometimes a small tree up to 5 m (16 ft) high, its young branchlets sticky. The leaves are linear to narrowly oblong, 6–10 mm (0.24–0.39 in) long and 1.0–1.5 mm (0.039–0.059 in) wide on a petiole 1–2 mm (0.039–0.079 in) long. The upper surface of the leaves is more or less glabrous and the lower surface is covered with soft, white, star-shaped hairs. The flowers are arranged on the ends of branchlets with a single female, or with two to five male flowers, or a single female flower surrounded by up to four male flowers. Each flower has 5 sepals joined at the base but there are no petals. Male flowers are on a slender pedicel 3–5 mm (0.12–0.20 in) long, the sepal lobes 3–4 mm (0.12–0.16 in) long and 1.5–3.0 mm (0.059–0.118 in) wide. There are about 35 stamens in a central column 2–3 mm (0.079–0.118 in) long. Female flowers are on a stout pedicel 3–6 mm (0.12–0.24 in) long, the sepal lobes 3–4 mm (0.12–0.16 in) long and 1.5–3 mm (0.059–0.118 in) wide. Flowering occurs between August and January, and the fruit is more or less spherical capsule 7.0–10 mm (0.28–0.39 in) in diameter.[2][3]

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