Acalypha gracilens A. Gray - Slender Three-seeded Mercury


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Acalypha gracilens - (image 1 of 2)



Family: Euphorbiaceae


Open woods, fields, meadows, in moist or dry, sandy soil.




ME to WI, south to FL and TX.


Annual; stem erect, simple or branched, 20-50 cm, pubescent with incurved hairs; petioles usually shorter than the bracts; blades nearly linear to oblong or narrowly elliptic, 2-5 cm, obscurely crenate to entire; pistillate bracts typically arcuate-recurved, 5-10 mm, shallowly lobed into 9-15 deltoid or ovate, typically glandular segments; staminate spike mostly 5-15 mm, usually exceeding the bracts; seeds 3(1).


Flowers May to October

Wetland indicator: FACU

Southern plants with more elongate staminate spikes (to 3-4 cm) have been called var. fraseri, while plants in the Ozark region with 1-seeded fruits have been distinguished as var. monococca.


Gleason, Henry A. and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second Ed.
The New York Botanical Garden. Bronx, NY




Michael Hough 2018