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

Van Zuuk false bindweed, Van Zuuk's morning-glory

Habit Perennials, rhizomatous. Perennials, rhizomatous.
Herbage

glabrous.

glabrate or hairy, hairs minute, appressed or ascending.

Stems

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

trailing or weakly twining-climbing, to 100 cm.

Leaves

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

blade ± triangular-hastate (daggerlike), 20–40 mm, middle lobe ± lance-linear, (1–)2–7(–9) mm wide, base lobed, lobes 1–2-pointed.

Bracts

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

1–2 mm distant from sepals, linear, 5–16(–20) × 0.5–1.5 mm, proximally flat, margins entire or proximally lobed or toothed.

Flowers

sepals 10–16 mm;

corolla pink, 32–52 mm.

sepals ovate to elliptic, 9–11 × 4–6 mm, apices obtuse-apiculate;

corolla white, 27–36 mm.

2n

= 22 [Asia, Europe].

Calystegia soldanella

Calystegia vanzuukiae

Phenology Flowering May–Aug. Flowering Mar–Sep.
Habitat Open, sandy shores. Gabbro or serpentine soils, chaparral, mixed or coniferous woodlands, foothills.
Elevation 0(–10) m. (0(–0) ft.) 800–1200 m. (2600–3900 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
CA
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. pubescens, C. purpurata, C. sepium, C. silvatica, C. soldanella, C. spithamaea, C. stebbinsii, C. subacaulis
Synonyms Convolvulus soldanella
Name authority (Linnaeus) R. Brown: Prodr., 484. (1810) Brummitt & Namoff: Aliso 31: 16, figs. 2–5. (2013)
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