Comments
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Inglês
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fornecido por eFloras
A hybrid between Amaranthus crassipes and A. scleropoides was recently described as A. ×texensis Henrickson and reported from southeastern Texas (J. Henrickson 1999).
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- cc-by-nc-sa-3.0
- direitos autorais
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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Inglês
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fornecido por eFloras
Plants annual, glabrous. Stems ascending to prostrate, erect when young, or main stems ± erect, branched proximally, 0.1-0.6 m. Leaves: petiole equaling or 1/2 as long as blade; blade elliptic, oblanceolate to lanceolate, (0.5-)1-3(-3.5) × 0.3-2 cm, base tapering, margins entire, plane to slightly undulate, apex broadly rounded or emarginate. Inflorescences axillary clusters borne from base to top, axes thickened and inflated, becoming indurate at maturity (only in A. scleropoides and A. crassipes). Bracts of pistillate flowers keeled (only A. scleropoides and A. crassipes have keeled bracts), ovate-triangular, minute. Pistillate flowers: tepals 5, narrowly spatulate, slightly clawed, with expanded blade, equal or subequal, (1.2-)1.5-2.5 mm, apex acute to apiculate; claws indurate at maturity; style branches spreading; stigmas 2-3. Staminate flowers intermixed with pistillate; tepals 5, membranaceous; stamens 3. Utricles orbicular to compressed-obovoid, 1.1-1.5 mm, shorter than tepals, smooth to tuberculate in distal 1/2, dehiscence regularly circumscissile. Seeds dark brownish black to black, compressed-ovoid to broadly lenticular, 0.9-1.1 mm diam., shiny.
- licença
- cc-by-nc-sa-3.0
- direitos autorais
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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Inglês
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fornecido por eFloras
Okla., Tex.; Mexico (Tamaulipas).
- licença
- cc-by-nc-sa-3.0
- direitos autorais
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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Inglês
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fornecido por eFloras
Seasonally wet, disturbed habitats; 0-1300m.
- licença
- cc-by-nc-sa-3.0
- direitos autorais
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
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Inglês
)
fornecido por eFloras
Amaranthus blitoides S. Watson var. scleropoides (Uline & W. L. Bray) Thellung
- licença
- cc-by-nc-sa-3.0
- direitos autorais
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Comprehensive Description
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Inglês
)
fornecido por North American Flora
Amaranthus scleropoides Uline & Bray, Bot. Gaz. 19: 316
1894.
Amaranthus blitoides scleropoides Thellung, in Asch. & Graebn. Syn. Mittel-Hur. Fl. 5: 293. 1914.
Stems erect or ascending, 1.5-4 dm. long, stout and succulent, glabrous, whitish; petioles slender, 0.5-3 cm. long; leaf -blades narrowly oblong to oblanceolate, 1-4.5 cm. long, rounded or emarginate at the apex, attenuate at the base and decurrent, thick, glabrous or nearly so, pale-green; flowers monoecious, in small dense axillary clusters; peduncles much thickened and indurate in age; bracts finally indurate, ovate-triangular, acute; sepals of the pistillate flowers 5, spatulate, 2 mm. long, 1-nerved, indurate at the base, obtuse or acute; style-branches 3; stamens 3; utricle subglobose, thinwalled, smooth, circumscissile at the middle; seed orbicular, smooth, black, shining, 0.6 mm. in diameter.
Type locality: Near El Paso, Texas. Distribution: Central and western Texas.
- citação bibliográfica
- Paul Carpenter Standley. 1917. (CHENOPODIALES); AMARANTHACEAE. North American flora. vol 21(2). New York Botanical Garden, New York, NY
Amaranthus scleropoides
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Vietnamita
)
fornecido por wikipedia VI
Amaranthus scleropoides là loài thực vật có hoa thuộc họ Dền. Loài này được Uline & W.L.Bray mô tả khoa học đầu tiên năm 1894.[1]
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Liên kết ngoài
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- Wikipedia tác giả và biên tập viên
Amaranthus scleropoides: Brief Summary
(
Vietnamita
)
fornecido por wikipedia VI
Amaranthus scleropoides là loài thực vật có hoa thuộc họ Dền. Loài này được Uline & W.L.Bray mô tả khoa học đầu tiên năm 1894.
- licença
- cc-by-sa-3.0
- direitos autorais
- Wikipedia tác giả và biên tập viên