Diodella teres [Rubiaceae]

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Scientific Name Diodella teres (Diodia teres, Hexasepalum teres) USDA PLANTS Symbol
Common Name Rough Buttonweed, Poor Joe ITIS Taxonomic Serial No.
Family Rubiaceae (Madder) SEINet
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Description Habitat: Usually dry, poor, sandy soils in disturbed areas, fields, prairies, pastures and woodland openings.
Plant: Erect, sprawling or spreading annual; hairy stems up to 1 foot long.
Leaves: Opposite, linear to lanceolate, up to 2 inches long and 3/8-inch wide, but usually smaller; sessile or clasping; edges coarse-hairy; bristle-like stipules below the blossoms at the leaf junctions sometimes extending beyond the blossom.
Inflorescence: Very small (less than 1/4-inch across) white to pinkish flowers growing singly or a few from leaf axils; funnel-shaped corolla with 3 or 4 pointed lobes, 3 or 4 stamens and one stigma.
Bloom Period: May to November.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Wildflowers of Texas" by Michael Eason and "Wildflowers of Texas" by Geyata Ajilvsgi.
BONAP Distribution Map

Texas Status:

© Tom Lebsack 2021