Cuscuta azteca

Costea & Stefanović

Organisms Diversity Evol. 11: 381, figs. 1h, 2g, 4. 2011.

Common names: Globe dodder
Synonyms: Cuscuta potosina var. globifera Yuncker
Treatment appears in FNA Volume 14.
Revision as of 21:36, 6 October 2024 by imported>Volume Importer
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Stems orange-yellow, slender. Inflorescences dense, corymbi­form to glomerulate; bracts at base of clusters 1, at base of pedicels 0 or 1, ovate, membra­nous, margins entire, apex acute. Pedicels 0.4–1.3 mm. Flowers 5-merous, 2–2.6 mm, membranous, not papillate; calyx straw yellow, cupulate, equaling corolla tube length, divided 2/3 its length, finely reticulate, shiny, lobes ovate, bases not overlapping, margins entire, midvein with multicellular protuberances, apex acute; corolla white, drying creamy, 1.5–2.1 mm, tube cylindro-campanulate, becoming globose, 0.8–1.2 mm, not saccate, lobes erect to spreading, ovate-triangular, shorter than to equaling corolla tube length, margins usually entire, sometimes irregularly toothed, apex acute, straight to slightly incurved; infrastaminal scales oblong or rounded, 0.9–1.3 mm, equaling or slightly longer than corolla tube length, bridged at 0.1–0.2 mm, uniformly fimbriate in distal 1/2, fimbriae 0.1–0.3 mm; stamens exserted, shorter than corolla lobes; filaments 0.3–0.6 mm; anthers 0.2–0.3 × 0.2–0.3 mm; styles filiform, 0.4–0.7 mm, shorter than to equaling ovary. Capsules depressed-globose, 1.5–2.5 × 1–1.8 mm, not thickened or raised around relatively small interstylar aperture, translucent, loosely surrounded or capped by withered corolla, dehiscence circumscissile. Seeds 3 or 4, angled, broadly ellipsoid to subglobose, 0.8–1 × 0.7–0.9 mm, hilum region almost terminal.


Phenology: Flowering Jul–Nov.
Habitat: Hosts: Asteraceae, Euphorbiaceae, Fabaceae (especially Dalea), Malvaceae.
Elevation: 600–1800 m.

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Cuscuta azteca"
Mihai Costea +  and Guy L. Nesom +
Costea & Stefanović +
Grammica +
Globe dodder +
Ariz. +, N.Mex. +  and Mexico. +
600–1800 m. +
Hosts: Asteraceae, Euphorbiaceae, Fabaceae (especially Dalea), Malvaceae. +
Flowering Jul–Nov. +
Organisms Diversity Evol. +
Cuscuta potosina var. globifera +
Cuscuta azteca +
Cuscuta subg. Grammica +
species +