Comments
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Inglês
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fornecido por eFloras
Trillium angustipetalum occurs in the Sierra Nevada from Fresno County north to Placer County (J. D. Freeman 1975). It is disjunct in the coastal mountains and hills of Santa Barbara and San Luis Obispo counties.
B. D. Ness (1993) listed Trillium kurabayashii as a synonym of T. angustipetalum. In bract orientation, color, and texture, and in petal shape, the two are quite different and certainly not the same species. Cytologist Masataka Kurabayashi found chromosomal differences between the two species (reported by J. D. Freeman 1975).
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Description
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Inglês
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fornecido por eFloras
Plants tall, very robust. Rhizomes erect, brownish, thick, somewhat compressed-thickened, praemorse, not brittle. Scapes 1–2, round in cross section, 2.5–6 dm. Bracts held well above ground, spreading horizontally, subsessile; blade very sparsely mottled with dark greenish brown or rarely all green, mottling becoming obscure with age, broadly ovate, 10–22 × 8.7–15 cm, not glossy, often narrowed to falsely petiolate, very short, and narrowly cuneate base 10–20 mm, apex obtuse. Flower erect, odor spicy-musty, musty, or fetid; sepals conspicuous, spreading, often resting on bracts, maroon to green, linear to oblong-lanceolate, 35–47 × 8–10 mm, margins flat, entire, apex acute; petals long-lasting, erect, ± connivent, ± concealing stamens and ovary and partially obscuring stamens, dark purple to red-purple, not spirally twisted, veins obscure, linear, 5–10 × 0.7–1.4 cm, 8–10 times longer than wide, glossy, thick-textured, base linear, margins entire, at first flat but inrolling with age, apex variously acute-obtuse; stamens erect, 12–22 mm; filaments dark maroon, 2–4 mm, slender, widest at base; anthers erect, straight, purple, 12–18 mm, dehiscence introrse; connectives purple, slightly extended 1–1.5 mm beyond anther sacs; ovary dark, ovoid-ellipsoid, 6-angled toward apex, 7.5–12 mm; stigmas erect, divergent-recurved, distinct, purple, sessile, awl-shaped, thickly subulate, 5 mm, thick, fleshy. Fruits dark purple, fragrance unknown, subglobose, 6-angled, almost winged, fleshy. 2n = 10.
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Flowering/Fruiting
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Inglês
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Flowering spring--early summer (Mar--Jun).
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Habitat
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Big-tree (Sequoiadendron) groves and other mixed coniferous-deciduous flatwoods, slightly damper depressions under maples and deciduous shrubs; coastal mountains, oak (Quercus) groves in ravines and otherwise quite arid, almost treeless chaparral, wooded canyon slopes, dense woods near streams; 30--200m.
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Synonym
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Inglês
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Trillium sessile Linnaeus var. angustipetalum Torrey, Pacif. Railr. Rep. 4(5): 151. 1857; T. giganteum (Hooker & Arnott) A. Heller var. angustipetalum (Torrey) R. R. Gates
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Trillium angustipetalum
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Azerbaijano
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fornecido por wikipedia AZ
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Trillium angustipetalum: Brief Summary
(
Azerbaijano
)
fornecido por wikipedia AZ
Trillium angustipetalum (lat. Trillium angustipetalum) — melantkimilər fəsiləsinin trillium cinsinə aid bitki növü.
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Trillium angustipetalum
(
Inglês
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fornecido por wikipedia EN
Trillium angustipetalum, with the common name is narrowpetal wakerobin, is a species of Trillium, plants which may be included within the Liliaceae (lily family) or the newer family Melanthiaceae.[2][3][4]
Description
Trillium angustipetalum is a rhizomatous perennial herb with one or more erect stems growing up to 70 centimetres (28 in) in height. There is a whorl of three large leaves generally described as bracts each measuring up to 25 centimetres (9.8 in) in length and round or somewhat oval. They are green and mottled with brownish or darker green spots.
Each stem produces one flower, which is held on top of the bracts. The ill-scented flower has three lance-shaped green or red sepals and three narrow purple or maroon petals measuring up to 11 centimetres (4.3 in) long.[5]
Taxonomy
In 1856, John Torrey described Trillium sessile var. angustipetalum based on a specimen collected by John Milton Bigelow two years earlier in California.[6][7] In 1975, John Daniel Freeman described the species Trillium angustipetalum based on Torrey's variety.[8][9] The epithet angustipetalum means "narrow-petaled".
Distribution
The plant is native to northern and central California and southwestern Oregon, where it occurs in forests, woodlands, chaparral, and riparian zones. It is found in the Klamath Mountains, western Sierra Nevada foothills, and Outer Southern California Coast Ranges.[3][10]
Bibliography
References
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^ "Trillium angustipetalum". NatureServe Explorer. NatureServe. Retrieved 12 March 2022.
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^ a b "Trillium angustipetalum (Torr.) J.D.Freeman". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 12 March 2022.
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^ a b "Trillium angustipetalum". Calflora. Berkeley, California: The Calflora Database. Retrieved 12 March 2022.
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^ USDA, NRCS (n.d.). "Trillium angustipetalum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 12 March 2022.
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^ Case Jr., Frederick W. (2002). "Trillium angustipetalum". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 26. New York and Oxford. Retrieved 12 March 2022 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
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^ "Trillium sessile var. angustipetalum Torr.". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 12 March 2022.
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^ Torrey, John (1856), Report on the botany of the expedition (Part V), Description of the general botanical collections (No. 4), Explorations and Surveys for a Railroad Route from the Mississippi River to the Pacific Ocean, vol. IV: Route near the thirty-fifth parallel, explored by lieutenant A. W. Whipple, topographical engineers, in 1853 and 1854, Washington, D.C.: Department of War, p. 151, doi:10.5962/bhl.title.41563, OCLC 12125612, retrieved 12 March 2022
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^ "Trillium angustipetalum (Torr.) J.D.Freeman". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 12 March 2022.
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^ Freeman (1975), pp. 55–56.
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^ "Trillium angustipetalum". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014. Retrieved 12 March 2022.
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Trillium angustipetalum: Brief Summary
(
Inglês
)
fornecido por wikipedia EN
Trillium angustipetalum, with the common name is narrowpetal wakerobin, is a species of Trillium, plants which may be included within the Liliaceae (lily family) or the newer family Melanthiaceae.
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- cc-by-sa-3.0
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Trillium angustipetalum
(
Vietnamita
)
fornecido por wikipedia VI
Trillium angustipetalum là một loài thực vật có hoa trong họ Melanthiaceae. Loài này được (Torr.) J.D.Freeman miêu tả khoa học đầu tiên năm 1975.[1]
Chú thích
Liên kết ngoài
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Trillium angustipetalum: Brief Summary
(
Vietnamita
)
fornecido por wikipedia VI
Trillium angustipetalum là một loài thực vật có hoa trong họ Melanthiaceae. Loài này được (Torr.) J.D.Freeman miêu tả khoa học đầu tiên năm 1975.
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