Cuscuta suksdorfii |
Cuscuta approximata |
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mountain dodder |
alfalfa dodder, cluster dodder, smallseed alfalfa dodder, smoothseed alfalfa dodder |
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Stems | yellow, slender. |
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Inflorescences | loose, umbelliform; bracts at base of clusters 1, at base of pedicels and/or flowers 0 or 1, ovate-lanceolate, membranous, margins entire, apex acute. |
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Pedicels | 0–2 mm. |
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Flowers | 4- or 5-merous, 2.8–3.3 mm, membranous, not papillate; calyx slightly zygomorphic, creamy yellow, broadly campanulate, 1-1/3–1-1/2 corolla tube length, divided 1/2–3/5 its length, not reticulate or shiny, lobes ovate, bases not overlapping, margins entire, midvein not carinate, apex long-attenuate; corolla white, drying creamy yellow, 2.6–3 mm, tube campanulate, 1.2–1.5 mm, not saccate, lobes suberect, triangular-ovate, longer than corolla tube length, margins entire, apex lance-attenuate, straight; infrastaminal scales relatively poorly developed, oblong, 0.6–1 mm, 1/2–3/4 corolla tube length, bridged at 0.2–0.3 mm, usually reduced to denticulate wings, rarely 2-fid with 1–3 fimbriae on each side of filament attachments, 0.1–0.2 mm; stamens included or barely visible through corolla sinuses, shorter than corolla lobes; filaments 0.2–0.5 mm; anthers 0.2–0.4 × 0.2–0.3 mm; styles terete to slightly subulate, 0.3–0.7 mm, 1/4 ovary length. |
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Capsules | ellipsoid-ovoid, ovoid-conic, or globose to depressed-globose, 2–3.2 × 2–3.6 mm, not thickened or raised around relatively small interstylar aperture, translucent, proximal 1/2 surrounded by withered corolla, indehiscent. |
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Seeds | 2–4, obcompressed, subglobose, 0.8–1.1 × 0.8–1 mm, hilum subterminal. |
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Cuscuta suksdorfii |
Cuscuta approximata |
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Phenology | Flowering Jul–Sep. | |
Habitat | mountain meadows. | |
Elevation | 1500–2600 m. (4900–8500 ft.) | |
Distribution |
CA; OR; WA
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Europe; Asia; n Africa; Atlantic Islands [Introduced in North America]
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Discussion | Varieties 3 (1 in the flora). Variety episonchum (Webb & Berthelot) Yuncker is known from western Europe, northern Africa, and Atlantic Islands (Canary Islands); var. schiraziana (Boissier) Yuncker is known from Europe and northern Africa. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Convolvulaceae > Cuscuta > subg. Grammica | Convolvulaceae > Cuscuta > subg. Cuscuta |
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | C. salina var. acuminata, C. suksdorfii var. subpedicellata | |
Name authority | Yuncker: Mem. Torrey Bot. Club 18: 167. (1932) | Babington: Ann. Mag. Nat. Hist. 13: 253, plate 4, fig. 3. (1844) |
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