Calystegia soldanella

Sea bindweed is bound to the coast. It has adapted to sand drift, developing best on a buried flood mark. It is even resistant to incidental saltwater flooding but is sensitive to frost. Despite all these features, this winding vine grows mostly in sheltered areas in the Dutch dunes. Sea bindweed produces large seeds that are often spread by seawater. Because the plant needs another plant to produce fertile seeds, the stability of sea bindweed growth in the dune regions is strongly influenced by a cold winter.

Calystegia soldanella (L.) R. Br.:
Ecuador (South America)
Japan (Asia)
Russian Federation (Asia)
South Korea (Asia)
China (Asia)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.

Convolvulus soldanella L.:
Ecuador (South America)
United States (North America)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.

Calystegia soldanella (L.) Roem. & Schult.:
Argentina (South America)
Chile (South America)
China (Asia)
United States (North America)
South Africa (Africa & Madagascar)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.

Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Native

Regularity: Regularly occurring

Currently: Present

Confidence: Confident

Type of Residency: Year-round

Plants glabrous. Stems prostrate, to 1 m, scarcely twining or not. Petiole longer than leaf blade; leaf blade reniform, slightly fleshy, sinus divergent or shortly parallel sided, apex rounded to emarginate, sometimes mucronate. Lower peduncles usually exceeding leaves, upper peduncles often shorter; bracteoles ovate to nearly circular, usually shorter than calyx, apex obtuse or retuse. Corolla pink, 3--5(--5.5) cm. Stamens (1.8--)2.1--2.7(--3) cm; anthers (3--)4--5.5(--6) mm. Fl. May-Jul, fr. Jul-Sep. 2n = 22.

Convolvulus soldanellus Linnaeus, Sp. Pl. 1: 159. 1753; Calystegia reniformis R. Brown; C. soldanelloides Makino; Convolvulus asarifolius Salisbury; C. maritimus Lamarck; C. reniformis (R. Brown) Poiret.

Sandy seashores, coastal dunes; sea level. Fujian, Hebei, Jiangsu, Liaoning, Shandong, Taiwan, Zhejiang [Japan (including Ryukyu Islands), Korea, Russia; Africa, Asia, Australia, Europe, North America, Pacific Islands, South America].

Foodplant / parasite
underground tuber of Orobanche minor var. maritima parasitises root of Calystegia soldanella
Other: minor host/prey

In Great Britain and/or Ireland:
Foodplant / spot causer
few, hypophyllous, immersed, pallid pycnidium of Stagonospora coelomycetous anamorph of Stagonospora calystegiae causes spots on fading leaf of Calystegia soldanella
Remarks: season: 7-9

Foodplant / pathogen
immersed sorus of Thecaphora seminis-convolvuli infects and damages seeds (in capsule) of Calystegia soldanella
Remarks: season: 8-10

The following is a representative barcode sequence, the centroid of all available sequences for this species.

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Specimens with Barcodes: 5
Species With Barcodes: 1

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: N5 - Secure

Rounded Global Status Rank: G5 - Secure