Tragia cordata |
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heart-leaf noseburn |
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Stems | usually decumbent or twining, rarely erect, gray-green to light green, apex flexuous. |
Leaves | petiole 15–85 mm; blade ovate to broadly cordate, 4.5–10(–13) × 3.5–10 cm, base cordate, margins serrate, apex acuminate. |
Inflorescences | terminal (often appearing leaf-opposed), glands absent, staminate flowers 20–60 per raceme; staminate bracts 1.5–2 mm. |
Pedicels | staminate 1.5–2.2 mm, persistent base 0.7–1 mm; pistillate 2.5–3 mm in fruit. |
Staminate flowers | sepals 3, green, 0.7–1 mm; stamens 3, filaments 0.2–0.5 mm. |
Pistillate flowers | sepals elliptic to ovate, 1.5–2 mm; styles connate 1/4–1/3 length; stigmas papillate. |
Capsules | 11–13 mm wide. |
Seeds | dark brown, 4.3–5.3 mm. |
Vines | , 15–20 dm. |
Tragia cordata |
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Phenology | Flowering spring–fall; fruiting summer–late fall. |
Habitat | Rich deciduous forests, riverbanks, rocky thickets. |
Elevation | 50–500 m. (200–1600 ft.) |
Distribution |
AL; AR; FL; GA; IL; IN; KY; LA; MO; MS; OK; TN; TX
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Discussion | Both the morphology and ecology of Tragia cordata make it unique among American members of Tragia. The relatively large, heart-shaped leaves separate it from the other Tragia in the flora area; it is the only twining species of Tragia found in the deciduous forest of the Midwest. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 12, p. 187. |
Parent taxa | Euphorbiaceae > Tragia |
Sibling taxa | |
Name authority | Michaux: Fl. Bor.-Amer. 2: 176. (1803) |
Web links |