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Fendler's Meadow Rue

Thalictrum fendleri Engelm. ex A. Gray

Comments

provided by eFloras
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).

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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 3 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
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Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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Description

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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.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 3 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
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eFloras

Distribution

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Ariz., Calif., Colo., Idaho, Mont., Nev., N.Mex., Oreg., S.Dak., Tex., Utah, Wyo.; n Mexico.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 3 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Flowering/Fruiting

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Flowering early-mid summer (Jun-Aug).
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cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 3 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
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eFloras

Habitat

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Willow, birch, mountain brush, sagebrush-snowberry, boxelder-cottonwood, alder, ponderosa pine, lodgepole pine, aspen-tall forb, and spruce-fir communities; 1100-3300m.
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 3 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
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eFloras

Synonym

provided by eFloras
Thalictrum fendleri var. platycarpum Trelease; T. fendleri var. wrightii (A. Gray) Trelease
license
cc-by-nc-sa-3.0
copyright
Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 3 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
editor
Flora of North America Editorial Committee
project
eFloras.org
original
visit source
partner site
eFloras

Thalictrum fendleri

provided by wikipedia EN

Thalictrum fendleri is a species of flowering plant in the buttercup family known by the common name Fendler's meadow-rue.[2] It is named in honor of Augustus Fendler.[3]

The plant is native to western North America, including much of the western United States and northern Mexico. It is a common plant found in many types of habitats, including open places to shaded areas in woodlands and forests.

It is anemophilous (pollinated via wind action).[4]

Description

Thalictrum fendleri is a perennial herb growing erect to 1–2 metres (3.3–6.6 ft) tall. The hairless stems are green to purple in color.

The leaves have compound blades divided into a few or many segments of varying shapes, often with three lobes, and are borne on long, slender petioles. The blades are hairless to slightly fuzzy and glandular.

The inflorescence is an upright or arching panicle of flowers. The species is usually dioecious, with male and female flowers occurring on separate plants, but plants with bisexual flowers have been noted. The male flower has a bell-shaped calyx of four sepals in shades of greenish white or purple which may lighten to white with age. From the calyx dangle many long, yellow or purple stamens tipped with large anthers.

The female flower has a cluster of immature fruits tipped with styles in shades of light to deep, bright pink. As the fruits develop the styles wither to hard, black stubs. A cluster may have up to 20 fruits.

There are three recognized subspecies of Thalictrum fendleri:

Thilactrum fendleri var. fendleri, which is found in AZ, CA, CO, ID, NM, NV, OR, TX, UT, WY.[5]

Thilactrum fendleri var. wrighti which is found in AZ, NM, TX.[5]

Thilactrum fendleri var. polycarpum which is found in CA, NV, OR, UT.[6]

thalictrum fendleri var. polycarpum

References

  1. ^ "Thalictrum fendleri". NatureServe Explorer. NatureServe. Retrieved 2018-04-01.
  2. ^ USDA, NRCS (n.d.). "Thalictrum fendleri". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 9 December 2015.
  3. ^ Thalictrum fendleri at SEINet
  4. ^ Steven, Janet; Waller, Donald (2004). "Reproductive alternatives to insect pollination in four species of Thalictrum (Ranunculaceae)". Plant Species Biology. 19 (2): 73–80. doi:10.1111/j.1442-1984.2004.00103.x. Retrieved 6 December 2018.
  5. ^ a b "Results Detailed Report". explorer.natureserve.org. Retrieved 2018-04-14.
  6. ^ "Thalictrum polycarpum | Sevenoaks Native Nursery". Sevenoaks Native Nursery. Retrieved 2018-04-14.

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Thalictrum fendleri: Brief Summary

provided by wikipedia EN

Thalictrum fendleri is a species of flowering plant in the buttercup family known by the common name Fendler's meadow-rue. It is named in honor of Augustus Fendler.

The plant is native to western North America, including much of the western United States and northern Mexico. It is a common plant found in many types of habitats, including open places to shaded areas in woodlands and forests.

It is anemophilous (pollinated via wind action).

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Wikipedia authors and editors
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wikipedia EN