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Phyllanthus polygonoides (Smartweed leaf-flower)
Marcus, Joseph A.

Phyllanthus polygonoides

Phyllanthus polygonoides Nutt. ex Spreng.

Smartweed Leaf-flower, Knotweed Leafflower

Euphorbiaceae (Spurge Family)


USDA Symbol: PHPO3

USDA Native Status: L48 (N)


From the Image Gallery

19 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Subshrub
Fruit Type: Capsule
Size Notes: Up to about 20 inches tall.

Bloom Information

Bloom Color: White , Green
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct , Nov


USA: AR , AZ , LA , MO , NM , OK , TX


Use Wildlife: Seeds are important dove and quail food.
Attracts: Birds

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Brackenridge Field Laboratory - Austin, TX
Jacob's Well Natural Area - Wimberley, TX

Herbarium Specimen(s)

NPSOT 0343 Collected May 26, 1987 in Bexar County by Harry Cliffe
NPSOT 0729 Collected Sep 7, 1992 in Bexar County by Harry Cliffe
NPSOT 0376 Collected May 12, 1987 in Bexar County by Harry Cliffe

3 specimen(s) available in the Digital Herbarium

Wildflower Center Seed Bank

LBJWC-JHS-2 Collected 2005-06-07 in Llano County by Lady Bird Johnson Wildflower Center

1 collection(s) available in the Wildflower Center Seed Bank

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Phyllanthus polygonoides in USDA Plants
FNA: Find Phyllanthus polygonoides in the Flora of North America (if available)
Google: Search Google for Phyllanthus polygonoides


Record Modified: 2022-12-05
Research By: TWC Staff

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