Cuscuta epithymum |
Cuscuta californica |
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clover dodder, common dodder, thyme dodder |
California dodder, chaparral dodder |
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Stems | yellow to orange, medium. |
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Inflorescences | dense, paniculiform-corymbiform or glomerulate; bracts at base of clusters 1, at base of pedicels 0 or 1, ovate to lanceolate, membranous, margins entire, apex acute to acuminate. |
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Pedicels | (0.5–)1–2.5 mm, sometimes papillate. |
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Flowers | 5-merous, 3–5(–5.5) mm, membranous or fleshy at base (receptacle and calyx base), not papillate, or receptacle, calyx, and corolla papillate; calyx yellow, turbinate-campanulate, 3/4 to equaling corolla tube length, divided 1/2–2/3 its length, finely reticulate, shiny, lobes triangular-ovate to lanceolate, bases overlapping, margins entire, midvein not carinate, apex acute to acuminate; corolla white, drying creamy white, 3–5 mm, tube cylindric-campanulate to obconic, 1.6–2.4 mm, not saccate or with horizontal ridges between stamen attachments, lobes reflexed, narrowly lanceolate, equaling or longer than corolla tube length, margins entire, apex acute, straight; infrastaminal scales absent; stamens exserted, shorter than corolla lobes; filaments 0.6–1.1 mm; anthers 0.6–1 × 0.3–0.5 mm; styles filiform, 1.2–2.2 mm, equaling or longer than ovary. |
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Capsules | globose, depressed-globose, or ovoid-conic, sometimes apically pointed, 1.5–2.2 × 1.8–2.5 mm, not thickened around relatively small interstylar aperture, interstylar aperture sometimes ± visible, not translucent, completely surrounded by, not capped by, withered corolla, indehiscent. |
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Seeds | 1–4, obcompressed, broadly ellipsoid to obovoid, 0.9–1.4 × 0.8–1.2 mm, papillate, hilum region lateral. |
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Cuscuta epithymum |
Cuscuta californica |
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Distribution |
w United States; nw Mexico
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Discussion | Varieties (subspecies) 2 (1 in the flora): introduced; Europe; introduced also in Mexico, South America, Asia, s Africa, Australia. Cuscuta epithymum subsp. kotschyi (Des Moulins) Arcangeli grows in southern Europe. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 3 (3 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 14. | FNA vol. 14. | ||||||||
Parent taxa | Convolvulaceae > Cuscuta > subg. Cuscuta | Convolvulaceae > Cuscuta > subg. Grammica | ||||||||
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Synonyms | C. europaea var. epithymum | |||||||||
Name authority | (Linnaeus) Linnaeus: Amoen. Acad. 4: 478. (1759) — (as epithym.) | Hooker & Arnott: Bot. Beechey Voy., 364. (1839) | ||||||||
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