Physical Description

Morphology

Description

Perennials, 30–95 cm (taproots thickened). Stems branched, puberulent. Leaves opposite or alternate; petioles 10–70 mm; blades 3-nerved from bases, deltate-ovate, lance-ovate, or subcordate, 15–120 × 20–70 mm, bases acute, truncate, or subcordate, margins crenate, dentate, or serrate, apices attenuate, faces puberulent and gland-dotted. Heads (nodding in flower and fruit) in loose, corymbiform or paniculiform arrays. Peduncles 4–30 mm, pubescent. Involucres cylindric or obconic, 7–12 mm. Phyllaries 30–40 in 5–7 series, greenish, 4–5-striate, unequal, margins scarious; outer lance-ovate to lanceolate (pubescent, margins ciliate, apices long-acuminate), inner lanceolate to lance-linear (glabrous, apices acute to acuminate). Florets mostly 20–40(–70); corollas pale yellow-green, 6.5–7.5 mm. Cypselae 4–5 mm, hispidulous to hirtellous; pappi of 20–30 white, barbellate bristles. 2n = 18.
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Diagnostic Description

Synonym

Eupatorium grandiflorum Hooker, Fl. Bor.-Amer. 2: 26. 1834
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Type Information

Isotype for Coleosanthus gracilipes Greene
Catalog Number: US 63546
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): H. N. Bolander
Year Collected: 1866
Locality: Sierra Nevada, Clark's Ranch., California, United States, North America
  • Isotype: Greene, E. L. 1901. Pittonia. 4: 237.
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Type collection for Brickellia grandiflora var. petiolaris A. Gray
Catalog Number: US 63547
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Preparation: Pressed specimen
Collector(s): J. G. Lemmon
Year Collected: 1882
Locality: Huachuca Mountains., Cochise, Arizona, United States, North America
  • Type collection: Gray, A. 1882. Proc. Amer. Acad. Arts. 17: 207.
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Isotype for Coleosanthus populifolius Greene
Catalog Number: US 281100
Collection: Smithsonian Institution, National Museum of Natural History, Department of Botany
Verification Degree: Original publication and alleged type specimen examined
Preparation: Pressed specimen
Collector(s): B. F. Bush
Year Collected: 1896
Locality: Eagle Rock., Barry, Missouri, United States, North America
  • Isotype: Greene, E. L. 1901. Pittonia. 4: 238.
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Brickellia grandiflora

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: N2 - Imperiled

United States

Rounded National Status Rank: N5 - Secure

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Wikipedia

Brickellia grandiflora

Brickellia grandiflora is a species of flowering plant in the daisy family known by the common name tasselflower brickellbush. It is native to western North America from British Columbia to Missouri to Central Mexico, where it grows in many types of habitat.

This is an upright perennial herb growing a few-branched stem up to 70 centimeters tall. The hairy, glandular leaves are up to 12 centimeters long and lance-shaped, triangular, or heart-shaped.

The inflorescences at the tip of the slender stem holds clusters of nodding flower heads, each just over a centimeter long and lined with greenish phyllaries with curling tips. The bell-shaped flower head holds a spreading array of 20 to 40 disc florets. The fruit is a hairy cylindrical achene about 4 millimeters long with a pappus of bristles.

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