Comments
(
Inglês
)
fornecido por eFloras
Cirsium quercetorum occurs in the north and south Coast ranges of California from Mendocino to San Luis Obispo counties. It overlaps in range and habitat with several other thistle species and has been reported to hybridize with
C. andrewsii, C. douglasii, C. occidentale, C. remotifolium var.
odontolepis, and
C. fontinale var.
fontinale (F. Petrak 1917; J. T. Howell 1960b). Considerable variation occurs within the range of
C. quercetorum, and two of the variants have been given taxonomic recognition as vars.
walkerianum and
xerolepis. Additional study over the range of the species is needed to determine whether these or other variants should be recognized formally.
Cirsium quercetorum appears to be related to the polymorphic C. scariosum complex. The perennial habit with runner roots of C. quercetorum consistently distinguishes it from the monocarpic C. scariosum.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
(
Inglês
)
fornecido por eFloras
Perennials, subacaulescent and forming compact, rounded mounds, 5–20 cm, or ± erect and to 70(–90) cm; runner roots producing adventitious buds. Stems 1–10+, erect or ascending, glabrous to thinly gray-tomentose, sometimes villous with septate trichomes; branches 0 or few, ascending. Leaves: blades elliptic to obovate, 5–20 × 3–7 cm, strongly undulate, shallowly to deeply pinnatifid with 3–8 pairs of lobes, lobes linear-lanceolate to broadly triangular, (often longer than 2 cm), closely spaced, spreading, spinose-dentate or lobed, main spines slender to stout, 2–15 mm, abaxial faces thinly to densely tomentose, ± villous with septate trichomes along veins, glabrescent or trichomes persistent, adaxial thinly arachnoid-tomentose and soon glabrescent; basal usually present at flowering, petiolate; principal cauline petiolate, progressively reduced distally, bases sometimes decurrent as spiny wings to 1 cm; distal reduced, similar to proximal. Heads 1–few. erect, ± crowded, often closely subtended by distalmost leaves. Peduncles 0–10 cm, leafy-bracted. Involucres ovoid to hemispheric or broadly campanulate, 2.5–5 (in first-formed heads, often smaller in later heads) × 2.5–6 cm, loosely arachnoid on phyllary margins or glabrate. Phyllaries in 5–10 series, imbricate, ovate or lanceolate (outer) to linear-lanceolate (inner), margins of outer entire, abaxial faces without glutinous ridge; outer and mid appressed, spines erect or ascending, (0–)1–2(–10) mm; apices of mid and inner narrowed and scabrido-denticulate or with expanded, spinuloso-serrate or -dentate tips, spineless or spine-tipped. Corollas white or pale lavender to purple, 25–35 mm, tubes 10–20 mm, throats 7–10 mm, lobes 5–8 mm; style tips 2.5–4.5 mm. Cypselae brown, 5–6.5 mm, apical collars colored like body; pappi 20–40 mm. 2n = 32.
- licença
- cc-by-nc-sa-3.0
- direitos autorais
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
(
Inglês
)
fornecido por eFloras
Cnicus quercetorum A. Gray, Proc. Amer. Acad. Arts 10: 40. 1874; Cirsium quercetorum var. walkerianum (Petrak) Jepson; C. quercetorum var. xerolepis Petrak; C. walkerianum Petrak
- licença
- cc-by-nc-sa-3.0
- direitos autorais
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
(
Inglês
)
fornecido por EOL authors
Cirsium quercetorum is endemic to a coastal area of California that includes: central and north of the Outer North Coast Ranges; north and central elements of the Central Coast (north of Santa Barbara); San Francisco Bay Area; Outer South Coast Ranges.
Cirsium quercetorum
(
Inglês
)
fornecido por wikipedia EN
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- Wikipedia authors and editors
Cirsium quercetorum: Brief Summary
(
Inglês
)
fornecido por wikipedia EN
Cirsium quercetorum is a species of thistle endemic to coastal California, its common names include brownie thistle and Alameda thistle.
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- Wikipedia authors and editors
Cirsium quercetorum
(
Espanhol; Castelhano
)
fornecido por wikipedia ES
Cirsium quercetorum es una especie de cardo perteneciente a la familia Asteraceae. Es endémica de la costa de California.
Descripción
Es una planta herbácea perenne que crece rastrera por el suelo. Tiene hojas espinosas lobuladas y dentadas. Las flores también en cabezas espinosas pueden ser de color blanco oscuro o púrpura. Esta planta se encuentra en los herbazales de la costa de California, aproximadamente en Santa Bárbara.
Taxonomía
Cirsium quercetorum fue descrita por (Gray) Jeps. y publicado en A Flora of Western Middle California 507. 1901.[1]
- Etimología
Cirsium: nombre genérico que deriva de la palabra griega: kirsos = varices ; de esta raíz deriva el nombre kirsion, una palabra que parece servir para identificar una planta que se utiliza para el tratamiento de este tipo de enfermedad. De kirsion, en los tiempos modernos, el botánico francés Tournefort (1656 - 708) ha derivado el nombre Cirsium del género.
quercetorum: epíteto latino que significa "del bosque de robles".[2]
- Sinonimia
-
Carduus quercetorum (A.Gray) Greene
-
Cirsium walkerianum Petr.
-
Cnicus quercetorum A.Gray basónimo[3]
Referencias
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- cc-by-sa-3.0
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- Autores y editores de Wikipedia
Cirsium quercetorum: Brief Summary
(
Espanhol; Castelhano
)
fornecido por wikipedia ES
Cirsium quercetorum es una especie de cardo perteneciente a la familia Asteraceae. Es endémica de la costa de California.
- licença
- cc-by-sa-3.0
- direitos autorais
- Autores y editores de Wikipedia
Cirsium quercetorum
(
Vietnamita
)
fornecido por wikipedia VI
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- Wikipedia tác giả và biên tập viên
Cirsium quercetorum: Brief Summary
(
Vietnamita
)
fornecido por wikipedia VI
Cirsium quercetorum là một loài thực vật có hoa trong họ Cúc. Loài này được (A.Gray) Jeps. mô tả khoa học đầu tiên năm 1901.
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- cc-by-sa-3.0
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- Wikipedia tác giả và biên tập viên