Cuscuta tuberculata

Brandegee

Univ. Calif. Publ. Bot. 3: 389. 1909.

Common names: Tubercle dodder
Weedy
Treatment appears in FNA Volume 14.
Revision as of 21:37, 6 October 2024 by imported>Volume Importer
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Stems yellow-orange, filiform. Inflorescences loose, umbelli­form-racemiform; bracts at base of clusters 1, at base of peduncles 0(or 1), ovate-lanceolate, mem­branous, mar­gins entire, apex acute. Pedicels 2–3(–5) mm. Flowers 5-merous, 2.5–4 mm, membranous, papil­late, espe­cially at base of corolla tube; calyx yellow, cupulate-angular, 1/3–1/2 corolla tube length, divided ± to base, not or finely reticulate, ± glossy, lobes triangular to lanceolate, bases not overlapping, margins entire, mid­vein carinate and/or with multicellular protuberances, apex acute to acuminate; corolla white, drying creamy yellow, 2–3.5 mm, tube cylindric, 1.5–2.2 mm, not saccate, lobes erect, triangular-lanceolate, equaling corolla tube length, margins entire, apex acute, straight; infrastaminal scales ovate to oblong, 0.8–1.1 mm, 1/3–1/2 corolla tube length, bridged at 0.5–0.7 mm, rounded, uniformly short-fimbriate, fimbriae 0.2–0.3 mm; sta­mens barely exserted, shorter than to equaling corolla lobes; filaments 0.4–0.7 mm; anthers 0.5–0.8 × 0.3–0.5 mm; styles filiform, 1.5–3 mm, longer than ovary. Capsules globose, 1.3–2.2 × 1–2.3 mm, slightly thick­ened and raised around relatively small interstylar aper­ture, translucent, capped by withered corolla, dehiscence circumscissile. Seeds 2–4, angled or slightly obcom­pressed, ellipsoid-oblong, 0.6–0.9 × 0.3–0.5 mm, hilum area lateral.


Phenology: Flowering Aug–Nov.
Habitat: desert and thornscrub.
Elevation: 500–1000 m.

Distribution

Ariz., N.Mex., Mexico (Baja California, Baja California Sur, Sonora).

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Cuscuta tuberculata"
Mihai Costea +  and Guy L. Nesom +
Brandegee +
Grammica +
Tubercle dodder +
Ariz. +, N.Mex. +, Mexico (Baja California +, Baja California Sur +  and Sonora). +
500–1000 m. +
desert and thornscrub. +
Flowering Aug–Nov. +
Univ. Calif. Publ. Bot. +
Cuscuta tuberculata +
Cuscuta subg. Grammica +
species +