Difference between revisions of "Rosaceae tribe Colurieae"
in N. L. Britton et al., N. Amer. Fl. 22: 240. 1908.
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| − | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>[trees], subshrubs, or herbs, perennial; unarmed. <b>Leaves</b> alternate, sometimes opposite (Geum), pinnately compound or simple; stipules persistent, ± free or ± adnate to petiole; venation pinnate or palmate. <b>Flowers</b>: perianth and androecium perigynous; epicalyx bractlets absent or present; hypanthium funnelform, saucer- to cup-shaped, or obconic to obcampanulate; torus usually enlarged; carpels (2 or)3–250(–450), styles terminal (subterminal in Waldsteinia), distinct; ovules 1 or 2, basal, superposed. <b>Fruits</b> aggregated achenes; styles persistent, sometimes deciduous (Waldsteinia), elongate, sometimes hooked, glabrous or hairy, rarely plumose.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>[trees], subshrubs, or herbs, perennial; unarmed. <b>Leaves</b> alternate, sometimes opposite (<i>Geum</i>), pinnately compound or simple; stipules persistent, ± free or ± adnate to petiole; venation pinnate or palmate. <b>Flowers</b>: perianth and androecium perigynous; epicalyx bractlets absent or present; hypanthium funnelform, saucer- to cup-shaped, or obconic to obcampanulate; torus usually enlarged; carpels (2 or)3–250(–450), styles terminal (subterminal in <i>Waldsteinia</i>), distinct; ovules 1 or 2, basal, superposed. <b>Fruits</b> aggregated achenes; styles persistent, sometimes deciduous (<i>Waldsteinia</i>), elongate, sometimes hooked, glabrous or hairy, rarely plumose.</span><!-- |
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|distribution=North America;Mexico;South America;Eurasia;Africa;Pacific Islands (New Zealand);Australia. | |distribution=North America;Mexico;South America;Eurasia;Africa;Pacific Islands (New Zealand);Australia. | ||
|discussion=<p>Genera 4, species ca. 60 (4 genera, 22 species in the flora).</p><!-- | |discussion=<p>Genera 4, species ca. 60 (4 genera, 22 species in the flora).</p><!-- | ||
| − | --><p>Waldsteinia is recognized as distinct from Geum in this treatment, while D. Potter et al. (2007) included the former in the latter. Names are provided for users who would prefer to include Waldsteinia within Geum, as supported by molecular data (J. E. E. Smedmark and T. Eriksson 2002).</p><!-- | + | --><p><i>Waldsteinia</i> is recognized as distinct from <i>Geum</i> in this treatment, while D. Potter et al. (2007) included the former in the latter. Names are provided for users who would prefer to include <i>Waldsteinia</i> within <i>Geum</i>, as supported by molecular data (J. E. E. Smedmark and T. Eriksson 2002).</p><!-- |
| − | --><p>The base chromosome number for Colurieae is x = 7. Except for Fallugia, the genera of Colurieae are host to Phragmidium rusts. C. Kalkman (2004) stated that two ovules had been reported for Fallugia but that he observed only one, which would accord better with membership in Colurieae.</p> | + | --><p>The base chromosome number for Colurieae is x = 7. Except for <i>Fallugia</i>, the genera of Colurieae are host to Phragmidium rusts. C. Kalkman (2004) stated that two ovules had been reported for <i>Fallugia</i> but that he observed only one, which would accord better with membership in Colurieae.</p> |
|tables= | |tables= | ||
|references={{Treatment/Reference | |references={{Treatment/Reference | ||
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|publication year=1908 | |publication year=1908 | ||
|special status= | |special status= | ||
| − | |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/V9/V9_80.xml |
|subfamily=Rosaceae subfam. Rosoideae | |subfamily=Rosaceae subfam. Rosoideae | ||
|tribe=Rosaceae tribe Colurieae | |tribe=Rosaceae tribe Colurieae | ||
Revision as of 18:19, 18 September 2019
Shrubs [trees], subshrubs, or herbs, perennial; unarmed. Leaves alternate, sometimes opposite (Geum), pinnately compound or simple; stipules persistent, ± free or ± adnate to petiole; venation pinnate or palmate. Flowers: perianth and androecium perigynous; epicalyx bractlets absent or present; hypanthium funnelform, saucer- to cup-shaped, or obconic to obcampanulate; torus usually enlarged; carpels (2 or)3–250(–450), styles terminal (subterminal in Waldsteinia), distinct; ovules 1 or 2, basal, superposed. Fruits aggregated achenes; styles persistent, sometimes deciduous (Waldsteinia), elongate, sometimes hooked, glabrous or hairy, rarely plumose.
Distribution
North America, Mexico, South America, Eurasia, Africa, Pacific Islands (New Zealand), Australia.
Discussion
Genera 4, species ca. 60 (4 genera, 22 species in the flora).
Waldsteinia is recognized as distinct from Geum in this treatment, while D. Potter et al. (2007) included the former in the latter. Names are provided for users who would prefer to include Waldsteinia within Geum, as supported by molecular data (J. E. E. Smedmark and T. Eriksson 2002).
The base chromosome number for Colurieae is x = 7. Except for Fallugia, the genera of Colurieae are host to Phragmidium rusts. C. Kalkman (2004) stated that two ovules had been reported for Fallugia but that he observed only one, which would accord better with membership in Colurieae.
Selected References
Lower Taxa
Key
| 1 | Shrubs, 10–20(–35) dm; leaves simple; flowers all pistillate, all staminate, or staminate with terminal one bisexual. | Fallugia |
| 1 | Herbs or subshrubs, 0.2–12 dm; leaves simple, sometimes lobed, or ternately or pinnately compound; flowers bisexual | > 2 |
| 2 | Subshrubs; inflorescences: flowers solitary. | Sieversia |
| 2 | Herbs; inflorescences 1–18-flowered, open cymes or panicles | > 3 |
| 3 | Plants subscapose or leafy-stemmed; tori hemispheric to cylindric; carpels (2–)20–250(–450); fruiting styles persistent, elongating, hooked or not. | Geum |
| 3 | Plants scapose; tori not evident; carpels 3–7; fruiting styles deciduous, not hooked. | Waldsteinia |