Difference between revisions of "Asteraceae (tribe Heliantheae) subtribe Hymenopappinae"
in N. L. Britton et al., N. Amer. Fl. 34: 43. 1914.
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| − | --><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> biennials, or perennials, (5–)20–150 cm. <b>Leaves</b> mostly basal or basal and cauline; alternate; petiolate or sessile; blades deltate to lanceolate overall, usually 1–2-pinnately or palmati-pinnately lobed, lobes usually filiform, ultimate margins entire or toothed, faces glabrous or hairy, often tomentose, usually gland-dotted. <b>Heads</b> usually discoid, rarely radiate, usually in ± corymbiform arrays. <b>Calyculi</b> 0. <b>Involucres</b> obconic to hemispheric. <b>Phyllaries</b> persistent or tardily falling, 5–13+ in 2+ series (distinct, often yellowish, whitish, or purplish, orbiculate to lance-linear, subequal, often ± petaloid, margins usually notably membranous or scarious). <b>Receptacles</b> flat or convex, usually epaleate (paleae scarious, conduplicate, each ± investing subtended floret in H. newberryi). <b>Ray</b> florets usually 0, sometimes 8, pistillate, fertile; corollas white or whitish. <b>Disc</b> florets 12–70+, bisexual, fertile; corollas yellow or whitish to purplish, tubes longer than or about equaling funnelform or abruptly dilated, campanulate throats, lobes 5, ± deltate (reflexed at anthesis); anther thecae pale; stigmatic papillae in 2 lines. <b>Cypselae</b> obconic to obpyramidal, usually 4-angled and 12–16-ribbed, glabrous or hairy; pappi 0 or of 12–22 orbiculate to spatulate scales.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Annuals,</b> biennials, or perennials, (5–)20–150 cm. <b>Leaves</b> mostly basal or basal and cauline; alternate; petiolate or sessile; blades deltate to lanceolate overall, usually 1–2-pinnately or palmati-pinnately lobed, lobes usually filiform, ultimate margins entire or toothed, faces glabrous or hairy, often tomentose, usually gland-dotted. <b>Heads</b> usually discoid, rarely radiate, usually in ± corymbiform arrays. <b>Calyculi</b> 0. <b>Involucres</b> obconic to hemispheric. <b>Phyllaries</b> persistent or tardily falling, 5–13+ in 2+ series (distinct, often yellowish, whitish, or purplish, orbiculate to lance-linear, subequal, often ± petaloid, margins usually notably membranous or scarious). <b>Receptacles</b> flat or convex, usually epaleate (paleae scarious, conduplicate, each ± investing subtended floret in <i>H. newberryi</i>). <b>Ray</b> florets usually 0, sometimes 8, pistillate, fertile; corollas white or whitish. <b>Disc</b> florets 12–70+, bisexual, fertile; corollas yellow or whitish to purplish, tubes longer than or about equaling funnelform or abruptly dilated, campanulate throats, lobes 5, ± deltate (reflexed at anthesis); anther thecae pale; stigmatic papillae in 2 lines. <b>Cypselae</b> obconic to obpyramidal, usually 4-angled and 12–16-ribbed, glabrous or hairy; pappi 0 or of 12–22 orbiculate to spatulate scales.</span><!-- |
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|publication year=1914 | |publication year=1914 | ||
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| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V21_752.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Hymenopappinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Hymenopappinae | ||
Revision as of 16:37, 18 September 2019
Annuals, biennials, or perennials, (5–)20–150 cm. Leaves mostly basal or basal and cauline; alternate; petiolate or sessile; blades deltate to lanceolate overall, usually 1–2-pinnately or palmati-pinnately lobed, lobes usually filiform, ultimate margins entire or toothed, faces glabrous or hairy, often tomentose, usually gland-dotted. Heads usually discoid, rarely radiate, usually in ± corymbiform arrays. Calyculi 0. Involucres obconic to hemispheric. Phyllaries persistent or tardily falling, 5–13+ in 2+ series (distinct, often yellowish, whitish, or purplish, orbiculate to lance-linear, subequal, often ± petaloid, margins usually notably membranous or scarious). Receptacles flat or convex, usually epaleate (paleae scarious, conduplicate, each ± investing subtended floret in H. newberryi). Ray florets usually 0, sometimes 8, pistillate, fertile; corollas white or whitish. Disc florets 12–70+, bisexual, fertile; corollas yellow or whitish to purplish, tubes longer than or about equaling funnelform or abruptly dilated, campanulate throats, lobes 5, ± deltate (reflexed at anthesis); anther thecae pale; stigmatic papillae in 2 lines. Cypselae obconic to obpyramidal, usually 4-angled and 12–16-ribbed, glabrous or hairy; pappi 0 or of 12–22 orbiculate to spatulate scales.
Distribution
North America, Mexico. H. Robinson (1981) suggested that Hymenopappinae is related to Gaillardiinae and other "core" groups of traditional Helenieae.
Discussion
Genera 5, species 28 (1 genus, 10 species in the flora).
H. Robinson (1981) suggested that Hymenopappinae is related to Gaillardiinae and other “core” groups of traditional Helenieae.
Selected References
None.