Description
(
Inglês
)
fornecido por eFloras
Plants prostrate, 0.1-0.5 × 0.3-2(-2.5) dm, villous. Leaves basal; petiole 0.5-1 cm; blade oblance-olate to elliptic, 0.3-1 × 0.2-0.3 cm, thinly pubescent. Inflores-cences with involucres in small clusters 0.5-1 cm across even at dichotomies, greenish or reddish; bracts 2, petiolate or sessile, similar to proximal leaf blades, oblanceolate or narrowly elliptic to linear-lanceolate, 0.3-1 cm × 1-3 mm, awns absent. Involucres 1, greenish or reddish, campanulate, 5-6-ribbed, 1.5-2.5 mm, corrugate, thinly pubescent; teeth 5-6, unequal, 3 longer ones 1.5-3 mm, these alternating with 2 or 3 shorter ones 1-2 mm, anterior tooth not leaflike; awns of prominent teeth uncinate and 1.5-3 mm, those of shorter teeth straight and 1-2 mm. Flowers 1, included to slightly exserted; perianth white to rose, cylindric, 1.5-1.8(-2) mm, densely pubescent abaxially; tepals connate 2/ 3 their length, monomorphic, oblong, obtuse to truncate or minutely emarginate apically; stamens (6) 9, slightly exserted; filaments distinct, 0.8-1 mm, glabrous; anthers reddish, ovate, 0.2-0.3 mm. Achenes dark brown to black, 3-gonous, 2-2.5 mm.
- licença
- cc-by-nc-sa-3.0
- direitos autorais
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Brief Summary
(
Inglês
)
fornecido por EOL authors
Chorizanthe polygonoides has a bioregional distribution that includes Baja California and California (northwestern California, Cascade Range, northern Sierra Nevada Foothills, Sacramento Valley, central western California and Peninsular Ranges). Elevation of occurrence is below 1400 meters. Habitats in which this wildflower is found include a variety of well drained sandy to gravelly places.
Known by the common name of Knotweed spineflower, this species has prostrate stems prostrate ranging from one to fifteen centimeters in length; these greenish or reddish stems are soft-hairy, and leaf blades are thinly hairy measuring three to ten millimeters in length. Inflorescences have an involucral tube that is bell shaped and 1.5 to 2.5 millmeters long. Prominent bracts are three in number and spreading, with lengths of 1.5 to 3.0 millimeters. Flowers are white to rose and densely hairy. Chromosomes are 2n=20.
Chorizanthe polygonoides
(
Inglês
)
fornecido por wikipedia EN
Chorizanthe polygonoides is a species of flowering plant in the buckwheat family known by the common name knotweed spineflower. It is native to California and Baja California, where it grows widely scattered in many types of habitat. It is a petite plant taking a prostrate form with stems just a few centimeters long at maximum. It may be green to red in color and is hairy in texture. The leaves are no more than a centimeter long and the flower is under two millimeters wide. The minute flower is surrounded by three hairy point-tipped bracts.
References
- licença
- cc-by-sa-3.0
- direitos autorais
- Wikipedia authors and editors
Chorizanthe polygonoides: Brief Summary
(
Inglês
)
fornecido por wikipedia EN
Chorizanthe polygonoides is a species of flowering plant in the buckwheat family known by the common name knotweed spineflower. It is native to California and Baja California, where it grows widely scattered in many types of habitat. It is a petite plant taking a prostrate form with stems just a few centimeters long at maximum. It may be green to red in color and is hairy in texture. The leaves are no more than a centimeter long and the flower is under two millimeters wide. The minute flower is surrounded by three hairy point-tipped bracts.
- licença
- cc-by-sa-3.0
- direitos autorais
- Wikipedia authors and editors
Chorizanthe polygonoides
(
Polonês
)
fornecido por wikipedia POL
Chorizanthe polygonoides A.Gray – gatunek rośliny z rodziny rdestowatych (Polygonaceae Juss.). Występuje naturalnie w północno-zachodnim Meksyku (w stanie Kalifornia Dolna) oraz południowo-zachodnich Stanach Zjednoczonych (w Kalifornii)[3][4][5].
Morfologia
- Pokrój
-
Roślina jednoroczna dorastająca do 5–20 cm wysokości. Pędy są owłosione[5].
- Liście
- Blaszka liściowa liści odziomkowych jest owłosiona i ma kształt od odwrotnie lancetowatego do eliptycznego. Mierzy 3–10 mm długości oraz 2–3 mm szerokości. Ogonek liściowy jest owłosiony i osiąga 5–10 mm długości[5].
- Kwiaty
- Zebrane w wierzchotki jednoramienne, rozwijają się na szczytach pędów, w kątach wewnętrznych listków okrywy (ang. phyllaries). Okwiat ma obły kształt i barwę od białej do różowej, mierzy do 2 mm długości[5].
- Owoce
-
Niełupki o kulistym kształcie, osiągają 2–3 mm długości[5].
Biologia i ekologia
Rośnie w lasach sosnowych, chaparralu, zaroślach oraz na łąkach. Występuje na wysokości do 1500 m n.p.m. Kwitnie od kwietnia do lipca[5].
Zmienność
W obrębie tego gatunku wyróżniono jedną odmianę[2]:
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Chorizanthe polygonoides var. longispina (Goodman) Munz
Przypisy
- licença
- cc-by-sa-3.0
- direitos autorais
- Autorzy i redaktorzy Wikipedii
Chorizanthe polygonoides: Brief Summary
(
Polonês
)
fornecido por wikipedia POL
Chorizanthe polygonoides A.Gray – gatunek rośliny z rodziny rdestowatych (Polygonaceae Juss.). Występuje naturalnie w północno-zachodnim Meksyku (w stanie Kalifornia Dolna) oraz południowo-zachodnich Stanach Zjednoczonych (w Kalifornii).
- licença
- cc-by-sa-3.0
- direitos autorais
- Autorzy i redaktorzy Wikipedii
Chorizanthe polygonoides
(
Vietnamita
)
fornecido por wikipedia VI
Chorizanthe polygonoides là một loài thực vật có hoa trong họ Rau răm. Loài này được A.Gray mô tả khoa học đầu tiên năm 1870.[1]
Chú thích
Liên kết ngoài
- licença
- cc-by-sa-3.0
- direitos autorais
- Wikipedia tác giả và biên tập viên
Chorizanthe polygonoides: Brief Summary
(
Vietnamita
)
fornecido por wikipedia VI
Chorizanthe polygonoides là một loài thực vật có hoa trong họ Rau răm. Loài này được A.Gray mô tả khoa học đầu tiên năm 1870.
- licença
- cc-by-sa-3.0
- direitos autorais
- Wikipedia tác giả và biên tập viên
