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Ricinocarpos megalocarpus

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Ricinocarpos megalocarpus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Ricinocarpos
Species:
R. megalocarpus
Binomial name
Ricinocarpos megalocarpus
Habit in Cape Le Grand National Park

Ricinocarpos megalocarpus is a species of flowering plant in the family Euphorbiaceae and is endemic to the south coast of Western Australia. It is a compact, rounded, usually monoecious shrub with linear leaves and white flowers, arranged either singly, or male flowers in groups, or with a single female flower surrounded by up to six male flowers.

Ricinocarpos megalocarpus is a compact, rounded, usually monoecious, rarely dioecious shrub that typically grows to height of up to 2.5 m (8 ft 2 in), its young branchlets glabrous. The leaves are linear, 9–20 mm (0.35–0.79 in) long and 1.6–1.8 mm (0.063–0.071 in) wide on a glabrous petiole 1.5–2.0 mm (0.059–0.079 in) long. The upper surface of the leaves is smooth and glabrous and the lower surface is covered with soft, white hairs. The flowers are arranged either singly, in groups of male flowers, or by a single female flower surrounded by up to six male flowers. Male flowers are on a slender pedicel 8–22 mm (0.31–0.87 in) long, the sepals joined at the base, densely hairy on the inner surface, the sepal lobes 1.3–1.7 mm (0.051–0.067 in) long. The petals are white, glabrous and narrowly egg-shaped with the narrower end towards the base, 9.5–11 mm (0.37–0.43 in) long and 3.5–4.5 mm (0.14–0.18 in) wide. Each male flower has about 55 stamens. Female flowers are on a stout pedicel 4–15 mm (0.16–0.59 in) long, the petals 11–12 mm (0.43–0.47 in) long and 3.5–4.0 mm (0.14–0.16 in) wide. Flowering occurs from August to February, and the fruit is an oval capsule about 14–16 mm (0.55–0.63 in) long and 10–13 mm (0.39–0.51 in) wide.[2][3]

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