Cuscuta suksdorfii |
Cuscuta subinclusa |
|
---|---|---|
mountain dodder |
canyon dodder |
|
Stems | yellow, slender. |
yellow to orange, medium. |
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. |
dense, ± glomerulate; bracts at base of clusters 1, at base of pedicels and/or flowers 0 or 1, lanceolate to ovate, membranous, margins entire, apex acute to acuminate. |
Pedicels | 0–2 mm. |
0–1 mm. |
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. |
5-merous, 5–7(–9 mm), membranous, papillate on corolla lobes; calyx usually straw yellow, sometimes brown, campanulate, 1/2 corolla tube length, divided 3/5–2/3 its length, finely reticulate, shiny, lobes broadly ovate to lanceolate, bases overlapping, margins entire, midvein not carinate, apex acute, sometimes cuspidate; corolla white, drying creamy yellow or brownish, 4.5–6.6 mm, tube cylindric, 2.5–3.5(–4.5) mm, not saccate, usually with horizontal ridges between stamen attachments, lobes spreading to reflexed, ovate-triangular, 1/4–1/3 corolla tube length, margins entire, apex acute, often slightly acuminate, straight; infrastaminal scales oblong to spatulate, 1.5–2.2 mm, 1/2–2/3 corolla tube length, bridged at 0.3–0.7 mm, rounded, uniformly densely to sparsely fimbriate, fimbriae 0.2–0.4 mm; stamens slightly exserted, shorter than corolla lobes; filaments 0–0.1 mm; anthers 0.8–2 × 0.4–0.5 mm; styles 1–1.5 mm, equaling ovary. |
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. |
ovoid to ellipsoid, 1.5–3 × 1.2–2.5 mm, narrowed and thickened, forming collar around relatively small interstylar aperture, not translucent, capped by withered corolla, indehiscent. |
Seeds | 2–4, obcompressed, subglobose, 0.8–1.1 × 0.8–1 mm, hilum subterminal. |
1, usually subglobose to broadly ovoid, rarely slightly obcompressed, 1.3–1.7 × 1.2–1.5 mm, hilum region terminal. |
Cuscuta suksdorfii |
Cuscuta subinclusa |
|
Phenology | Flowering Jul–Sep. | Flowering Apr–Oct. |
Habitat | mountain meadows. | forests near streams, canyon bottoms, wetlands, salt marshes. |
Elevation | 1500–2600 m. (4900–8500 ft.) | 0–2000 m. (0–6600 ft.) |
Distribution |
CA; OR; WA
|
CA; Mexico (Baja California)
|
Discussion | The name Cuscuta ceanothi Behr may pertain here. The type specimen of C. ceanothi was evidently destroyed, and the protologue is not sufficient to fix application of C. ceanothi to any one species of Cuscuta. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 14. | FNA vol. 14. |
Parent taxa | Convolvulaceae > Cuscuta > subg. Grammica | Convolvulaceae > Cuscuta > subg. Grammica |
Sibling taxa | ||
Synonyms | C. salina var. acuminata, C. suksdorfii var. subpedicellata | |
Name authority | Yuncker: Mem. Torrey Bot. Club 18: 167. (1932) | Durand & Hilgard: Pl. Heermann., 42. (1854) |
Web links |
|