Northern Prairie Wildlife Research Center
Southern Wetland Flora
Field Office Guide to Plant Species
Gelsemium sempervirens (L.) Ait. f.
- Family: Logania (Loganiaceae)
- Flowering: March-October
- Field Marks: This vine is distinguished by its short, trumpet-shaped, very fragrant, yellow
flowers and its entire, evergreen, opposite leaves.
- Habitat: From moist to wet soil in woodlands, thickets, and along fencerows.
- Habit: Climbing or trailing vine up to 20 feet long.
- Stems: Slender, smooth.
- Leaves: Opposite, simple, evergreen, lanceolate to oblong-lanceolate, pointed at the tip, tapering
or rounded at the base, without teeth, smooth, up to 3 inches long, up to 1 inch wide, on short
- Flowers: 1-6 in the axils of the leaves, very fragrant.
- Sepals: 5, green, attached at base, oblong, rounded at the tip.
- Petals: 5, bright yellow, united to form a short trumpet up to 1 1/2 inches long.
- Stamens: 5, attached to the tube of the petals.
- Pistils: Ovary superior; style slender, 4-parted.
- Fruits: Capsules elliptic, flat, 1/3-1/2 inch long, with flat seeds winged at the tip.
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