Flora of North America species comparison

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Calystegia soldanella

Calystegia pubescens

beach bindweed, beach false bindweed, beach morning-glory, coast morning-glory, seashore false bindweed, seaside morning-glory

hairy false bindweed
Habit Perennials, rhizomatous. Perennials.
Herbage

glabrous.

sparsely hairy or glabrous.
Stems

usually prostrate or trailing, sometimes twining-climbing, to 100(–250) cm.

trailing to twining-climbing, to 100 cm.
Leaves

blade ± reniform, 15–35(–45) × 20–60(–70) mm, ± fleshy), base ± cuneate, apex emarginate or obtuse.

blade oblong-hastate to narrowly triangular, to 60+ mm, margins ± parallel at mid blade, base lobed, lobes abruptly spreading, ± triangular, apex acute to obtuse.
Bracts

immediately subtending sepals, ovate to suborbiculate, 7–16 × 5–10 mm, proximally flat, ± enfolding sepals.

immediately subtending sepals, lance-ovate, 15–21(–24) × 8–14 mm.
Flowers

sepals 10–16 mm;

corolla pink, 32–52 mm.

sepals 8–12+ mm;

corolla usually pink, sometimes red or white, 40–67 mm, horticultural doubles, limb multilobed;

margins entire;

stamens and ovaries absent.
2n

= 22 [Asia, Europe].

= 22.

Calystegia soldanella

Calystegia pubescens
Phenology Flowering May–Aug. Flowering Jun–Sep.
Habitat Open, sandy shores. Abandoned plantings, disturbed sites.
Elevation 0(–10) m. (0(–0) ft.)
Distribution
from FNA
CA; OR; VA; WA; BC; South America; w Europe; Asia; Africa; Atlantic Islands (Canary Islands, Tristan da Cunha); Pacific Islands (Galapagos, New Zealand); Australia
[WildflowerSearch map]
[BONAP county map]
from FNA
CT; DC; DE; IL; KS; MA; ME; MI; MO; NH; NJ; NY; PA; TN; VT; ON; QC; Asia [Introduced in North America; introduced also in Europe]
[BONAP county map]
Discussion

The nomenclatural type of Calystegia pubescens may prove to be conspecific with the type of Convolvulus japonicus Thunberg. Plants are sterile; reproduction is by rhizomes.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 14. FNA vol. 14.
Parent taxa Convolvulaceae > Calystegia Convolvulaceae > Calystegia
Sibling taxa
C. atriplicifolia, C. catesbeiana, C. collina, C. felix, C. hederacea, C. longipes, C. macounii, C. macrostegia, C. malacophylla, C. occidentalis, C. peirsonii, C. pubescens, C. purpurata, C. sepium, C. silvatica, C. spithamaea, C. stebbinsii, C. subacaulis, C. vanzuukiae
C. atriplicifolia, C. catesbeiana, C. collina, C. felix, C. hederacea, C. longipes, C. macounii, C. macrostegia, C. malacophylla, C. occidentalis, C. peirsonii, C. purpurata, C. sepium, C. silvatica, C. soldanella, C. spithamaea, C. stebbinsii, C. subacaulis, C. vanzuukiae
Synonyms Convolvulus soldanella
Name authority (Linnaeus) R. Brown: Prodr., 484. (1810) Lindley: J. Hort. Soc. London 1: 70, fig. [p. 71]. (1846)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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