Description
(
Inglês
)
fornecido por eFloras
Perennials, 30–150 cm (poly-carpic, with sparingly branched, woody caudices). Stems 1–3, usually purple-red-tinted proximally, branched distally, glabrous or ± hairy. Leaves: blades simple or lobed (lobes 3–19+), glabrous or sparsely hairy, gland-dotted; mid leaves lobed (lobes 3–19+, terminal lobes 0.7–1.3 mm wide). Heads 25–400+ per plant, in paniculiform to corymbiform arrays. Peduncles 0.4–2 cm, glabrous or ± hairy. Involucres campanulate to narrowly campanulate, 5–7.5 × 2.2–4.5 mm. Phyllaries in 2 series, unequal; outer 3–5, basally connate 1/2–3/4 their lengths, obovate to oblanceolate, 4–6 mm, apices acuminate, acute, obtuse, or rounded; inner 3–5, obovate to oblanceolate, 2.5–4.5 mm, apices acuminate, acute, obtuse, or rounded, sometimes mucronate. Ray florets 3–5; corollas yellow, extending beyond phyllaries, 3.4–6 × 1.7–4 mm. Disc florets 6–15 (functionally staminate); corollas 3–4 mm. Cypselae obconic, 1.7–3.5 mm (hairy, hairs straight or wavy); pappi 0, or of 2–6 ± lanceolate scales 1–2.5 mm.
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- direitos autorais
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
(
Inglês
)
fornecido por eFloras
Plummera ambigens S. F. Blake, J. Wash. Acad. Sci. 19: 276, fig. 1a–i. 1929
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Hymenoxys ambigens
(
Inglês
)
fornecido por wikipedia EN
Hymenoxys ambigens is a species of flowering plant in the daisy family known by the common name Pinaleño Mountains rubberweed. It is native to the states of Arizona and New Mexico in the southwestern United States.[2][3]
Hymenoxys ambigens is a perennial herb up to 150 cm (5 feet) tall. Leaves have very narrow lobes resembling branching threads. One plant can produce an array of 25–400 small yellow flower heads, each head with 3-5 ray flowers and 6–15 disc flowers.[4][5]
- Varieties[1][4]
History
In 1882, Sarah Plummer Lemmon discovered the species. Harvard University botanist, Asa Gray, first described the species, naming it Plummera floribunda in her honor.[6][7][8] Plummera was redefined as a subgenus of Hymenoxys in 1994.[9]
References
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^ a b The Plant List, Hymenoxys ambigens (S.F.Blake) Bierner
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^ Biota of North America Program 2014 distribution map
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^ SEINet, Southwestern Biodiversity, Arizona chapter description, photos, distribution map
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^ a b Flora of North America, Hymenoxys ambigens (S. F. Blake) Bierner, 1994. Pinaleño Mountains rubberweed
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^ Blake, Sydney Fay 1929. Journal of the Washington Academy of Sciences 19(13): 276–278 description and commentary in English, full page of line drawings on page 277
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^ "Sara Plummer Lemmon: Pioneering Botanist | JSTOR Daily". JSTOR Daily. 2015-03-11. Retrieved 2016-12-13.
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^ Dupree, A. Hunter (1988). Asa Gray, American Botanist, Friend of Darwin. Baltimore, MD: Johns Hopkins University Press. pp. 389, 397–398. ISBN 978-0-801-83741-8.
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^ Ogilvie, Marilyn Bailey; Harvey, Joy Dorothy (2000-01-01). The Biographical Dictionary of Women in Science: L-Z. Taylor & Francis. ISBN 9780415920407.
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^ Bierner, Mark W 1994 SUBMERSION OF DUGALDIA AND PLUMMERA IN HYMENOXYS (ASTERACEAE: HELIANTHEAE: GAILLARDIINAE) Sida, Contributions To Botany Volume: 16:1-8
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- Wikipedia authors and editors
Hymenoxys ambigens: Brief Summary
(
Inglês
)
fornecido por wikipedia EN
Hymenoxys ambigens is a species of flowering plant in the daisy family known by the common name Pinaleño Mountains rubberweed. It is native to the states of Arizona and New Mexico in the southwestern United States.
Hymenoxys ambigens is a perennial herb up to 150 cm (5 feet) tall. Leaves have very narrow lobes resembling branching threads. One plant can produce an array of 25–400 small yellow flower heads, each head with 3-5 ray flowers and 6–15 disc flowers.
Varieties Hymenoxys ambigens var. ambigens - Mescal,
Pinaleño, and
Santa Teresa Mountains in
Arizona Hymenoxys ambigens var. floribunda (A.Gray) W.L.Wagner -
Chiricahua,
Dos Cabezas,
Dragoon,
Little Dragoon, and
Mule Mountains in
Arizona Hymenoxys ambigens var. neomexicana W. L. Wagner -
Animas +
Peloncillo Mountains in
New Mexico
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- cc-by-sa-3.0
- direitos autorais
- Wikipedia authors and editors
Hymenoxys ambigens
(
Vietnamita
)
fornecido por wikipedia VI
- licença
- cc-by-sa-3.0
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- Wikipedia tác giả và biên tập viên
Hymenoxys ambigens: Brief Summary
(
Vietnamita
)
fornecido por wikipedia VI
Hymenoxys ambigens là một loài thực vật có hoa trong họ Cúc. Loài này được (S.F.Blake) Bierner mô tả khoa học đầu tiên năm 1994.
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- cc-by-sa-3.0
- direitos autorais
- Wikipedia tác giả và biên tập viên
