Acalypha virginica var. rhomboidea — Overview

Virginia Threeseed Mercury learn more about names for this taxon

IUCN threat status:

Not evaluated

Comprehensive Description

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Description

This native annual plant is ½–2' tall, and usually unbranched. The central stem has lines of fine white hairs, or is glabrous. The alternate leaves are up to 3½" long and 1" across, with long narrow petioles that are slightly hairy. They are lanceolate or ovate, with bluntly serrated margins and conspicuous pinnate venation. There is a tendency for the leaves to congregate together near the top of the central stem, or any side stems that may be present. Where the petiole of each leaf meets the stem, there is a conspicuous bract that wraps around the inflorescence consisting of a green cyathium. This bract is slightly ciliate along the edges, and has 5-9 lobes. The cyathium contains tiny staminate and pistillate flowers without sepals and petals. The staminate flower is covered with yellow pollen, while the pistillate flower produces a 3-lobed spheroid fruit that is typical of the spurges. Each fruit contains three seeds. The blooming period occurs from about mid-summer until frost during the fall, and lasts one or more months. There is no floral scent. The root system consists of a central taproot. Cultivation

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© John Hilty

Source: Illinois Wildflowers

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