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Digital Herbaria

Diodia virginiana

Diodia virginiana L.

Buttonweed, Virginia buttonweed

Rubiaceae (Madder Family)

USDA Symbol: DIVI3
USDA Native Status: L48 (N)
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Specimen & Label Data

Dioda virginiana

Button Weed

Rubiaceae

Location: In ditch, 45 m south of wooden bridge--Oakwell Farms.
Latitude: 0.000000

Habitat: In alkaline mud and standing water. Full sun. Dense colony. Little else growing there.

Description: Ascending perennial from fibrous roots, rooting at nodes, to 45 cm tall. Most fork in upper third, some lower or not at all. Leaves sessile, lanceolate, to 1 x 6 cm, glabrous. Corolla white, tubular, flaring to 4 salverform lobes. Fruit leathery, 6-ribbed, crowned by 2 prominent calyx teeth.

County: Bexar
Collector: Harry Cliffe
Collection Date: Jun 27, 1987
Specimen number: 240

Herbarium Owner: NPSOT
Herbarium ID: 0467
Accession Date: Jul 27, 1993
Accession Number: 36

Annotations: SCFRB

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