Cuscuta cephalanthi

Engelmann

Amer. J. Sci. Arts 43: 336, plate 6, figs. 1–6. 1842.

Common names: Buttonbush dodder
WeedyIllustratedEndemic
Treatment appears in FNA Volume 14.
Revision as of 22:36, 6 October 2024 by imported>Volume Importer
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Stems yellow-orange, medium. Inflorescences dense to loose, spiciform or paniculiform, commonly originating endoge­nously; bracts at base of clusters 1 or 2, at base of pedicels and/or flowers 0 or 1, ovate, mem­bra­nous, margins entire or ser­ru­late, apex obtuse to acute. Ped­icels 0–1 mm. Flowers (3 or)4(or 5)-merous, 2–3 mm, membranous, not papillate; calyx yellow-brown, shal­lowly cupulate, 1/2 corolla tube length, divided 2/3 its length, not reticulate, not shiny, lobes oblong-ovate, bases slightly overlapping, margins entire or serrulate, midvein not carinate, apex obtuse; corolla white, drying creamy white, 1.8–2.8 mm, tube cylindric-campanulate to cylindric, 1.1–2.2 mm, not saccate, lobes spreading, ovate, 1/3–1/2 corolla tube length, margins entire, apex obtuse, straight; infrastaminal scales oblong, rounded, 0.9–1.7 mm, shorter than to equaling corolla tube length, bridged at 0.2–0.4 mm, sparsely fimbriate, more densely distally, fimbriae 0.1–0.3 mm; stamens included to slightly exserted, equaling corolla lobes; filaments 0.2–0.4 mm; anthers 0.2–0.4 × 0.2–0.4 mm; styles fili­form or narrowly terete, (0.6–)1–2 mm, equaling or lon­ger than ovary. Capsules depressed-globose to glo­bose, 2.5–3.2(–4) × 2–4 mm, not thickened or raised around relatively small interstylar aperture, not trans­lucent, capped by withered corolla, indehiscent. Seeds 1 or 2, obcompressed, broadly ovoid, 1.4–2 × 1.3–1.4 mm, hilum region terminal. 2n = 60.


Phenology: Flowering Jun–Oct.
Habitat: stream and lake shores, marshes, and floodplain forests.
Elevation: 0–1500 m.

Distribution

Alta., B.C., Man., N.B., N.S., Ont., Ariz., Ark., Calif., Conn., D.C., Ga., Idaho, Ill., Ind., Iowa, Kans., Ky., Maine, Mass., Mich., Minn., Nebr., Nev., N.J., N.Mex., N.Y., N.C., N.Dak., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Utah, Va., Wash., Wis.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Cuscuta cephalanthi"
Mihai Costea +  and Guy L. Nesom +
Engelmann +
Grammica +
Buttonbush dodder +
Alta. +, B.C. +, Man. +, N.B. +, N.S. +, Ont. +, Ariz. +, Ark. +, Calif. +, Conn. +, D.C. +, Ga. +, Idaho +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, Maine +, Mass. +, Mich. +, Minn. +, Nebr. +, Nev. +, N.J. +, N.Mex. +, N.Y. +, N.C. +, N.Dak. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Utah +, Va. +, Wash. +  and Wis. +
0–1500 m. +
stream and lake shores, marshes, and floodplain forests. +
Flowering Jun–Oct. +
Amer. J. Sci. Arts +
Weedy +, Illustrated +  and Endemic +
Cuscuta cephalanthi +
Cuscuta subg. Grammica +
species +