Comments
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Eriogonum trichopes is common on the Sonoran Desert and the southern portion of the Mojave Desert from southern California (Imperial, Inyo, Riverside, San Bernardino, and San Diego counties), eastward across southern Nevada (Clark, Lincoln, and Nye counties), southwestern Utah (Washington County), and Arizona (Coconino, Cochise, Gila, Graham, La Paz, Maricopa, Mohave, Pima, Pinal, Santa Cruz, Yavapai, and Yuma counties) to southern New Mexico (Cibola, Dona Ana, Grant, Hidalgo, Luna, Otero, and Valencia counties). It is also found to the south in northern Mexico (Baja California Norte, Sonora, and Chihuahua). Two related species occur in Baja California, the perennial E. scalare and the annual E. intricatum. Unlike E. trichopes, which occasionally has inflated stems, neither of those Mexican species exhibits that trait.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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Herbs, spreading to somewhat erect, annual, 1-4.5(-6) dm, glabrous and often glaucous, yellow-green. Stems: caudex absent; aerial flowering stems erect, occasionally hollow and fistulose, 0.5-2(-3) dm, glabrous, minutely hirsute or short-hispid proximally. Leaves basal; petiole 1-6 cm, hirsute; blade broadly oblong, (0.5-)1-2.5(-4) × (0.5-)1-2(-3) cm, short-hirsute on both surfaces and greenish, margins wavy. Inflorescences cymose, open to dense, usually spreading, 5-30 × 5-50 cm; branches usually not fistulose, glabrous; bracts 3, scalelike, 1-4 × 1-2 mm. Peduncles mostly erect, straight, capillary, 0.5-1.5 cm, glabrous. Involucres turbinate, 0.7-1 × 0.6-0.9 mm, glabrous; teeth 4(-5), erect, 0.3-0.4 mm. Flowers 1-2 mm; perianth yellow to greenish yellow with greenish to reddish midribs, densely hirsute with coarse curved hairs; tepals monomorphic, narrowly ovate; stamens exserted, 0.9-1.5 mm; filaments sparsely pubescent proximally. Achenes light brown to brown, lenticular to 3-gonous, 1-1.5 mm, glabrous.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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Ariz., Calif., Nev., N.Mex., Utah; Mexico (Baja California, Chihuahua, Sonora).
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Flowering/Fruiting
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Flowering year-round.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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Clayey, sandy to gravelly flats, washes, and slopes, mixed grassland, saltbush, creosote bush, blackbrush, and mesquite communities, pinyon and/or juniper woodlands; -60-1500(-1900)m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
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Eriogonum trichopes subsp. minus (Bentham) S. Stokes
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Eriogonum trichopes
provided by wikipedia EN
Eriogonum trichopes is a species of wild buckwheat known by the common name little desert trumpet. It is native to the mountain slopes and deserts of the southwestern United States from California to New Mexico, and its range extends into Mexico.
Description
This is an annual herb quite variable in height, growing to a spindly 10 centimeters or a sprawling, brambly 1.5 meters. Its leaves form a basal patch on the ground, each rounded with ruffled margins and covered in woolly or stiff hairs.
The erect inflorescence is naked and sometimes hairy, with many slender branches that flower year-round. Flower clusters hang on short, thready stalks. Each minuscule flower is glandular or hairy and is bright yellow when new, darkening over time to a reddish color.
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Eriogonum trichopes: Brief Summary
provided by wikipedia EN
Eriogonum trichopes is a species of wild buckwheat known by the common name little desert trumpet. It is native to the mountain slopes and deserts of the southwestern United States from California to New Mexico, and its range extends into Mexico.
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Eriogonum trichopes
(
Vietnamese
)
provided by wikipedia VI
Eriogonum trichopes là một loài thực vật có hoa trong họ Rau răm. Loài này được Torr. mô tả khoa học đầu tiên năm 1848.[1]
Chú thích
Liên kết ngoài
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Eriogonum trichopes: Brief Summary
(
Vietnamese
)
provided by wikipedia VI
Eriogonum trichopes là một loài thực vật có hoa trong họ Rau răm. Loài này được Torr. mô tả khoa học đầu tiên năm 1848.
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