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,... Ratibida (Ratibida columnifera) Ratibida (Ratibida columnifera) 27.07.2008 copyright © by Jacek Soboń 27.07.2008 copyright © by Jacek Soboń Inflorescence - Single flower head terminating stem. Peduncle naked to +20cm long antrorse... Inflorescence - Single flower head terminating stem. Peduncle naked, to +20cm long, antrorse... Ratibida (Ratibida columnifera) Ratibida (Ratibida columnifera) 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,... Photo: Judy Sedbrook Back to Propagating Wildflowers Back to Home Ask a Colorado Master Gardener ... Photo: Judy Sedbrook Back to Propagating Wildflowers Back to Home Ask a Colorado Master Gardener |... Ratibida (Ratibida pinnata) Ratibida (Ratibida pinnata) 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 Ratibida (Ratibida pinnata) Ratibida (Ratibida pinnata) 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,... Ratibida (Ratibida pinnata) Ratibida (Ratibida pinnata) Leaves - Alternate sessile pinnatifid to pinnately divided +/-18cm long scabrous hirsute on... Leaves - Alternate, sessile, pinnatifid to pinnately divided, +/-18cm long, scabrous, hirsute on... Ratibida (Ratibida columnifera) Ratibida (Ratibida columnifera) Ratibida (Ratibida pinnata) Ratibida (Ratibida pinnata) Ratibida (Ratibida columnifera) Ratibida (Ratibida columnifera) Ratibida (Ratibida columnifera) Ratibida (Ratibida columnifera) 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...
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