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Digital Herbaria

Cynanchum laeve

Cynanchum laeve (Michx.) Pers.


Asclepiadaceae (Milkweed Family)

USDA Native Status: L48 (N), CAN (I)

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Specimen & Label Data

Cynanchum laeve

Smooth Swallow-Wort, Sandvine


Location: Midway from Oakwell Farms Pky to Ira Lee Rd and 180 m SE of Campden Circle--Oakwell Farms--San Antonio.
Latitude: 0.000000

Habitat: Dry, alkaline, alluvial soil. Climbing in/on shrubs, trees. Semi-shade.

Description: Much branched, high climbing, twining, suffrutescent vine. Stems to 3 m long. Petioles to 6 cm long. Leaves opposite, deltoid w/rounded basal lobes & a broad sinus (cordate), acute/acuminate, 5x5 cm. Fruit a follicle, lanceolate, smooth, dihescing longitudinally in halves, 3+x8 cm, on 4.5 cm peduncle. Seed brown, flattened, ovate, 6x9 mm w/many fine, white bristles.

County: Bexar
Collector: Harry Cliffe
Collection Date: Sep 9, 1993
Specimen number: 508

Herbarium Owner: NPSOT
Herbarium ID: 0771
Accession Date: May 26, 1994
Accession Number: 58

Annotations: (in fruit) SXFXB

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