Sherardia arvensis [Rubiaceae]

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Scientific Name Sherardia arvensis USDA PLANTS Symbol SHAR2
Common Name Field Madder ITIS Taxonomic Serial No. 35237
Family Rubiaceae (Madder) SEINet
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Description Habitat: Fields, thickets and roadsides; introduced from Eurasia.
Plant: Sprawling or prostrate annual with simple or branched stems 3 to 14 inches long often rooting at nodes.
Leaves: In whorls of five or six, stalkless, linear to narrowly elliptic blades 1/4 to 3/4 inches long with a sharply pointed tip; mostly smooth except for prickles along margins.
Inflorescence: Terminal heads of 2 or 3 (up to 8) tiny pink or pale-lilac tubular flowers with 4 or 5 flared lobes spreading to about 1/8 inch across; 4 or 5 stamens and protruding style with two stigma; 4 to 6 triangular-lanceolate sepals; involucre below with 8 to 10 leaf-like bracts.
Bloom Period: March to May.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston and SEINet.
BONAP Distribution Map

Texas Status:

© Tom Lebsack 2022