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Image of Buek's Groundsel
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Buek's Groundsel

Packera subnuda (DC.) D. K. Trock & T. M. Barkley

Description

provided by eFloras
Perennials, 10–30+ cm; fibrous-rooted and/or rhizomatous (bases relatively slender, horizontal to suberect). Stems usually 1, rarely 2–3, loosely clustered, glabrous. Basal leaves petiolate; blades ovate, obovate, or elliptic, 20–40+ × 10–30+ mm, bases tapering to contracted, margins subentire to crenate-dentate. Cauline leaves abruptly reduced (sessile, often weakly clasping, dentate to subentire; distals sessile, lanceolate, weakly clasping, entire or dentate). Heads 1(–5; sometimes subtended by 2 relatively large bractlets). Peduncles sparsely bracteate or ebracteate, glabrous. Calyculi (bractlets frequently cyanic). Phyllaries (13–)21, green (tips sometimes cyanic), 5–8+ mm, glabrous. Ray florets 13; corolla laminae 7–12+ mm. Disc florets 40–55+; corolla tubes 2.5–3.5 mm, limbs 2.5–3.5 mm. Cypselae 1.5–2.5 mm, glabrous; pappi 4–6 mm. 2n = 46, 90.
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Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
bibliographic citation
Flora of North America Vol. 20: 571,582, 595, 599 in eFloras.org, Missouri Botanical Garden. Accessed Nov 12, 2008.
source
Flora of North America @ eFloras.org
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Flora of North America Editorial Committee
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eFloras.org
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Synonym

provided by eFloras
Senecio subnudus de Candolle in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 6: 428. 1838, not de Candolle [Prodr. 6: 405] 1838; Packera buekii Trock & T. M. Barkley; Senecio aureus Linnaeus var. subnudus (de Candolle) A. Gray; S. cymbalarioides Buek
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. 20: 571,582, 595, 599 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

Packera subnuda

provided by wikipedia EN

Packera subnuda is a species of flowering plant in the aster family known by the common names Buek's groundsel and cleftleaf groundsel. It is native to western North America from the Northwest Territories to northern California to Wyoming, where it grows in high mountain meadows in subalpine and alpine climates.

It is a perennial herb producing one erect stem or a small cluster of 2 or 3 stems from a rhizome and/or fibrous root system. The stems grow 5 to about 30 centimeters tall. The basal leaves have fleshy oval blades up to 3 or 4 centimeters long borne on petioles, with leaves farther up the stem smaller and simpler.

The inflorescence is a single flower head, or occasionally two to five heads. Each is lined with reddish or green phyllaries with green or bluish tips. The head contains many golden yellow disc florets and usually 13 yellow ray florets each roughly a centimeter long.

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Packera subnuda: Brief Summary

provided by wikipedia EN

Packera subnuda is a species of flowering plant in the aster family known by the common names Buek's groundsel and cleftleaf groundsel. It is native to western North America from the Northwest Territories to northern California to Wyoming, where it grows in high mountain meadows in subalpine and alpine climates.

It is a perennial herb producing one erect stem or a small cluster of 2 or 3 stems from a rhizome and/or fibrous root system. The stems grow 5 to about 30 centimeters tall. The basal leaves have fleshy oval blades up to 3 or 4 centimeters long borne on petioles, with leaves farther up the stem smaller and simpler.

The inflorescence is a single flower head, or occasionally two to five heads. Each is lined with reddish or green phyllaries with green or bluish tips. The head contains many golden yellow disc florets and usually 13 yellow ray florets each roughly a centimeter long.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN