head with disk flowers just beginning to open--do you see why the common name of this plant is... head with disk flowers just beginning to open--do you see why the common name of this plant is... Family - Asteraceae Stems - To -2m tall multiple from base herbaceous erect branching above... Family - Asteraceae Stems - To -2m tall, multiple from base, herbaceous, erect, branching above,... Involucre (rays removed). Ray flowers - Sterile. Typically 6 yellow or with brownish-purple and... Involucre (rays removed). Ray flowers - Sterile. Typically 6, yellow or with brownish-purple and... individuals of Ratibida columnifera can have one of two basic ray corolla colors: brown... individuals of Ratibida columnifera can have one of two basic ray corolla colors: brown... Family - Asteraceae Stems - To -1m tall erect multiple from base simple to branching above... Family - Asteraceae Stems - To -1m tall, erect, multiple from base, simple to branching above,... Inflorescence - Single flower head terminating stem. Peduncle naked to +20cm long antrorse... Inflorescence - Single flower head terminating stem. Peduncle naked, to +20cm long, antrorse... Inflorescence - Single flower heads from long(+/-20cm) naked peduncles. Involucre - Phyllaries... Inflorescence - Single flower heads from long(+/-20cm) naked peduncles. Involucre - Phyllaries... Flowering - May - September. Habitat - Prairies thickets woodland edges streambanks railroads.... Flowering - May - September. Habitat - Prairies, thickets, woodland edges, streambanks, railroads.... Show Larger Picture Show Larger Picture Use the back key of your browser to come back to the previous display. © 1998-2001 Philippe Faucon... Use the back key of your browser to come back to the previous display. © 1998-2001 Philippe Faucon,... Involucre. Ray flowers - Flowers typically 10 in number. Ligule yellow +/-6cm long to 1.5cm broad... Involucre. Ray flowers - Flowers typically 10 in number. Ligule yellow, +/-6cm long, to 1.5cm broad,... Disk close-up. Flowering - June - September. Habitat - Prairies waste ground disturbed sites... Disk close-up. Flowering - June - September. Habitat - Prairies, waste ground, disturbed sites,... another view of the head --in this inflorescence none of the disk flowers have opened yet another view of the head --in this inflorescence, none of the disk flowers have opened yet Disk flowers - Fertile. Corolla 5-lobed purple. Tube to 1.8mm long glabrous. Achenes white in... Disk flowers - Fertile. Corolla 5-lobed, purple. Tube to 1.8mm long, glabrous. Achenes white in... Leaves - Alternate deeply pinnatifid petiolate below sessile above to +10cm long +5cm broad... Leaves - Alternate, deeply pinnatifid, petiolate below, sessile above, to +10cm long, +5cm broad,... Leaves - Alternate sessile pinnatifid to pinnately divided +/-18cm long scabrous hirsute on... Leaves - Alternate, sessile, pinnatifid to pinnately divided, +/-18cm long, scabrous, hirsute on... Disk flowers - Fertile. Corolla 5-lobed purple. Tube to 1.8mm long glabrous. Achenes white in... Disk flowers - Fertile. Corolla 5-lobed, purple. Tube to 1.8mm long, glabrous. Achenes white in... ...or yellow! They belong to the same species despite the difference. ...or yellow! They belong to the same species, despite the difference. Inflorescence - Single flower head terminating stem. Peduncle naked to +20cm long antrorse... Inflorescence - Single flower head terminating stem. Peduncle naked, to +20cm long, antrorse... Field Guide to Wildflowers of North America by David Brandenburg Cincinnati Zoo and Botanical Garden... Field Guide to Wildflowers of North America by David Brandenburg Cincinnati Zoo and Botanical Garden... ラティビダ(Ratibida) ラティビダ(Ratibida) Cultural Practices: Cut dormant plants to the ground in winter. Blooming Habits: The Mexican hat... Cultural Practices: Cut dormant plants to the ground in winter. Blooming Habits: The Mexican hat... Ratibida (Ratibida columnifera) Ratibida (Ratibida columnifera) Navigation zurück Home Recherchen Übersicht Ordner zurück Impressum D atenblatt für... Navigation zurück Home Recherchen Übersicht Ordner zurück Impressum D atenblatt für... A cauline leaf in Las Cruces 9/5/05. Go back to: SW Plants The main index A cauline leaf in Las Cruces, 9/5/05. Go back to: SW Plants The main index 27.07.2008 copyright © by Jacek Soboń 27.07.2008 copyright © by Jacek Soboń Ratibida (Ratibida columnifera) Ratibida (Ratibida columnifera) Old receptacles that have lost most of their achenes in Las Cruces 9/5/05. Old receptacles that have lost most of their achenes, in Las Cruces, 9/5/05.
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