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Ricinocarpos crispatus

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Ricinocarpos crispatus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Ricinocarpos
Species:
R. crispatus
Binomial name
Ricinocarpos crispatus

Ricinocarpos crispatus is a species of flowering plant in the family Euphorbiaceae and is endemic to south-western Queensland. It is a monoecious or dioecious shrub with linear leaves and white flowers, arranged either singly, with two to four male flowers, or a single female flower surrounded by one or two male flowers.

Ricinocarpos crispatus is a monoecious or dioecious shrub that typically grows to a height of up to 2 m (6 ft 7 in), its young branchlets densely covered with greyish-white, star-shaped hairs. The leaves are linear, 15–25 mm (0.59–0.98 in) long and 1–2 mm (0.039–0.079 in) wide on a densely hairy petiole 1.2–3 mm (0.047–0.118 in) long. The upper surface of the leaves becomes glabrous and the lower surface is woolly-hairy. The flowers are arranged either as a single male or female flower, or as clusters of two to four male flowers, or with a single female flower surrounded by one or two male flowers. Male flowers are on a slender, densely hairy pedicel 3–14 mm (0.12–0.55 in) long, the sepals joined at the base and densely hairy, the sepal lobes egg-shaped, 3–4 mm (0.12–0.16 in) long, the petals white and egg-shaped with the narrower end towards the base, 4–5 mm (0.16–0.20 in) long and 2.3–2.6 mm (0.091–0.102 in) wide with wavy or curly edges. Each male flower has 20 to 30 stamens. Female flowers are on a stout, hairy pedicel 3–12 mm (0.12–0.47 in) long, the sepal lobes 3.4–4.0 mm (0.13–0.16 in) long and 1.8–2.1 mm (0.071–0.083 in) wide and the petals white and egg-shaped with the narrower end towards the base and 3.8–4.1 mm (0.15–0.16 in) long with wavy or curly edges. Flowering has been observed in August and December, and the fruit is a flattened spherical capsule about 5 mm (0.20 in) in diameter and covered with star-shaped hairs.[2]

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