Exodeconus miersii (Hook. f.) D‘Arcy
Galápagos shore petunia, trompeta de orilla
Galápagos shore petunia is native to, and unique to, the Galápagos Islands.
Plants: A creeping, annual shrub, mostly prostrate.
Leaves: Hairy light green leaves are up to 5 ⨉ 7″ (13 ⨉ 18 cm), and broadly ovate to heart-shaped, on petioles up to 5″ (13 cm) long. Leaf margins are wavy, and dentate.
Flowers: Solitary white upward-pointing trumpet-shaped flowers appear on stalks up to 2½″ (6.5 cm) long. Flowers have purple throats, and are ⅞–3″ (2.5–7.5 cm) long.
Fruits: Ovate to elliptic, ¼–½ ⨉ ⅛–½″ (8–15 ⨉ 6–14 mm). Seeds are 1/32–1/16″ (1.2–1.6 mm) in size.
Habitats: Rocks and sandy soils at low elevations, and especially along shorelines.
Online References:
References:
McMullen, Conley K., Flowering Plants of the Galápagos, Comstock Publishing Associates, 1999, p. 195
3/31/2025 · Rábida, Galápagos Islands, Ecuador 
4/2/2025 · Lava Fields, Sullivan Bay, Santiago, Galápagos Islands, Ecuador 
3/31/2025 · Rábida, Galápagos Islands, Ecuador 
| Parents | Unknown | Genus is not in the current taxonomy |
| Genus | Exodeconus | From Greek exo, “outward;” deka, “ten;” and conus, “conic structure,” referring to the calyx shape |
| Species | miersii | For English engineer and botanist John Miers (1789–1879) |
Exodeconus miersii description by Thomas H. Kent, not updated.
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