Northern Prairie Wildlife Research Center
Southern Wetland Flora
Field Office Guide to Plant Species
Trachelospermum difforme (Walter) Gray
- Family: Dogbane (Apocynaceae)
- Flowering: June-August
- Field Marks: This vine has opposite leaves, milky sap, short-tubular creamy yellow flowers,
and slender, paired fruits.
- Habitat: Along streams, swamps, sloughs, floodplain woods, bottomlands, marshes, wet
- Habit: Vine climbing high into trees, without tendrils.
- Stems: Slender, climbing, smooth or rarely hairy, with milky sap.
- Leaves: Opposite, simple, lanceolate to ovate, abruptly pointed at the tip, tapering to the base,
without teeth, usually smooth on the upper surface, hairy on the lower surface or rarely smooth,
up to 3 inches long, up to 2 inches wide, with milky sap.
- Flowers: Several in terminal and axillary cymes; stalks of flowers up to 1/2 inch long, slender,
- Sepals: 5, green, united below, the lobes very narrow.
- Petals: 5, creamy yellow, united to form a short tube, up to 1/2 inch long.
- Stamens: 5.
- Pistils: Ovaries 2 per flower, superior.
- Fruits: Follicles borne in pairs, very slender, up to 9 inches long, containing many seeds with
tufts of long, silky hairs at the tip.
- Notes: The leaves of this species are extremely variable in shape, even on the same plant.
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