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collared dodder

Photo is of parent taxon

collared dodder

Stems

0.3–0.6 mm in diameter, yellow to orange.

Inflorescences

loose to dense;

pedicels 0.5–6 mm.

Flowers

5-parted, 3–4.5(5.3) mm; fleshy;

calyces cup-shaped, 50–75% as long as corolla tube, divided 33–50% of their length; creamy yellow to brownish, not reticulate, not shiny;

lobes triangular-ovate, overlapping at base;

margins entire;

tips acute;

corollas campanulate to campanulate-cylindric, 2.5–4(5) mm, white; creamy white to brown when dry;

tubes 1.7–3 mm;

lobes triangular-ovate, 30–100% as long as tube; erect to nearly so;

tips acute, inflexed;

stamens enclosed to barely exserted; < corolla lobes;

filaments 0.3–0.7 mm;

anthers 0.3–0.8 mm;

infrastaminal scales ? corolla tube in length;

styles evenly filiform;

stigmas capitate, globose.

Fruits

2–3.5 × 1.9–4(5) mm, surrounded or capped by withered corollas.

Seeds

2–4.

2n

=30.

Cuscuta indecora

Cuscuta indecora var. indecora

Distribution
[WildflowerSearch map]
[BONAP county map]
[BONAP county map]
Discussion

Parasitic on a wide variety of hosts. Flowering Jul–Dec. 0–900 m. Col, ECas, Owy, Sisk, WV. CA, ID, NV, WA; widespread in North America; South America. Native.

The common name, collared dodder, describes the thickened, elevated ring at the tip of the capsule surrounding the base of the styles, a feature unique to this species among Oregon Cuscuta.

Source Flora of Oregon, volume 2, page 592
Katie Mitchell
Sibling taxa
C. approximata, C. brachycalyx, C. californica, C. campestris, C. cephalanthi, C. epithymum, C. occidentalis, C. pacifica, C. suksdorfii
Subordinate taxa
C. indecora var. indecora
Synonyms Cuscuta indecora var. neuropetala
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