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Thalictrum fendleri . Engelm, ex A. Gray
FENDLERS MEADOW-RUE
Thalictrum polycarpum

Life   Plantae   Dicotyledoneae   Ranunculaceae   Thalictrum

Thalictrum fendleri
© Les Mehrhoff, 2008-2010 · 2
Thalictrum fendleri

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Thalictrum fendleri
© Les Mehrhoff, 2008-2010 · 2
Thalictrum fendleri

Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma thalictrina @ BPI (1)
Dermateaceae  Marssonina @ BPI (1)
Mycosphaerellaceae  Mycosphaerella fendleri @ BPI (3)
Pleosporaceae  Pleospora permunda @ BPI (1)
Pucciniaceae  Puccinia alternans @ BPI (2)

Puccinia clematidis @ BPI (2)

Puccinia cockerelliana @ BPI (3)

Puccinia elymi @ BPI (1)

Puccinia recondita @ BPI (23)

Puccinia rubigo-vera @ BPI (14)

Puccinia thalictri @ BPI (13)
Urocystaceae  Urocystis sorosporioides @ BPI (1)
Uropyxidaceae  Aecidium thalictri-flavi @ BPI (4)

Tranzschelia thalictri @ BPI (13)

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FNA | Family List | FNA Vol. 3 | Ranunculaceae | Thalictrum

15. Thalictrum fendleri Engelmann, Mem. Amer. Acad. Arts, ser. 2. 4: 5. 1849.

Fendler's meadow-rue

Thalictrum fendleri var. platycarpum Trelease; T . fendleri var. wrightii (A. Gray) Trelease

Roots dark brown to ± black (when dry), fibrous. Stems mostly erect, sometimes reclining, (20-)30-60(-150) cm, glabrous, from rhizomes or branched caudices. Leaves mainly cauline, mostly short-petiolate. Leaf blade green, (2-)3-4×-ternately compound, membranous; leaflets obliquely orbiculate or nearly cordate, apically 3-lobed, (5-)10-20 × (6-)8-12(-18) mm wide, lobe margins crenate, surfaces abaxially often glandular. Inflorescences terminal and axillary, panicles, open and leafy, many flowered. Flowers: sepals whitish or greenish, in staminate flowers ovate to elliptic, 3-5 mm; in pistillate flowers ovate to rhombic or broadly lanceolate, 1.5-2 mm; filaments deep yellow or purplish, 4-7.5 mm; anthers 2.2-3.4 mm, apiculate with tip to 0.8 mm; stigma purplish. Achenes 7-11(-14), not reflexed, sessile to short-stipitate; stipe 0-2 mm; body oblanceolate to obliquely obovate-elliptic, strongly laterally compressed, (5-)9(-11) mm, glandular or glabrous, 3-4(-5)-veined on each side, veins ± parallel, converging toward ends (rarely branched or sinuous), not anastomosing-reticulate; beak 1.5-4 mm.

Flowering early-mid summer (Jun-Aug). Willow, birch, mountain brush, sagebrush-snowberry, boxelder-cottonwood, alder, ponderosa pine, lodgepole pine, aspen-tall forb, and spruce-fir communities; 1100-3300 m; Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., S.Dak., Tex., Utah, Wyo.; n Mexico.

The stems and achenes of Thalictrum fendleri are often purplish.

Decoctions prepared from the roots of Thalictrum fendleri were used medicinally by Native Americans to cure colds and gonorrhea, and in ceremonies (D. E. Moerman 1986).

Updated: 2024-06-14 08:26:43 gmt
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