Difference between revisions of "Rosaceae tribe Sorbarieae"
in N. L. Britton et al., N. Amer. Fl. 22: 239, 256. 1908.
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| − | --><span class="statement" id="st-undefined" data-properties="">Shrubs; unarmed. <b>Leaves</b> alternate, sometimes opposite, pinnately compound (mature simple in Adenostoma); stipules persistent, free or adnate to petiole base, or reduced or absent (Adenostoma); venation pinnate. <b>Flowers</b>: perianth and androecium perigynous; epicalyx bractlets absent; hypanthium funnelform, cup-shaped, or campanulate to cylindric; torus absent; carpels 1–5, basally connate or distinct (sometimes appearing connivent at base), free, styles terminal or lateral, distinct; ovules 1, basal, or 2 and collateral, 4–8, or 10–12 in 2 series, declining. <b>Fruits</b> achenes or aggregated follicles; styles persistent or not, not elongate.</span><!-- | + | --><span class="statement" id="st-undefined" data-properties="">Shrubs; unarmed. <b>Leaves</b> alternate, sometimes opposite, pinnately compound (mature simple in <i>Adenostoma</i>); stipules persistent, free or adnate to petiole base, or reduced or absent (<i>Adenostoma</i>); venation pinnate. <b>Flowers</b>: perianth and androecium perigynous; epicalyx bractlets absent; hypanthium funnelform, cup-shaped, or campanulate to cylindric; torus absent; carpels 1–5, basally connate or distinct (sometimes appearing connivent at base), free, styles terminal or lateral, distinct; ovules 1, basal, or 2 and collateral, 4–8, or 10–12 in 2 series, declining. <b>Fruits</b> achenes or aggregated follicles; styles persistent or not, not elongate.</span><!-- |
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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_654.xml |
|subfamily=Rosaceae subfam. Amygdaloideae | |subfamily=Rosaceae subfam. Amygdaloideae | ||
|tribe=Rosaceae tribe Sorbarieae | |tribe=Rosaceae tribe Sorbarieae | ||
Revision as of 19:18, 18 September 2019
Shrubs; unarmed. Leaves alternate, sometimes opposite, pinnately compound (mature simple in Adenostoma); stipules persistent, free or adnate to petiole base, or reduced or absent (Adenostoma); venation pinnate. Flowers: perianth and androecium perigynous; epicalyx bractlets absent; hypanthium funnelform, cup-shaped, or campanulate to cylindric; torus absent; carpels 1–5, basally connate or distinct (sometimes appearing connivent at base), free, styles terminal or lateral, distinct; ovules 1, basal, or 2 and collateral, 4–8, or 10–12 in 2 series, declining. Fruits achenes or aggregated follicles; styles persistent or not, not elongate.
Distribution
North America, nw Mexico, Eurasia.
Discussion
Genera 4, species 9 (3 genera, 5 species in the flora).
The base chromosome number for Sorbarieae is x = 9. Spiraeanthus Maximowicz, with one species native to central Asia, also belongs here.
Selected References
None.
Lower Taxa
Key
| 1 | Leaves simple (juvenile pinnatifid); stamens 10 or 15; fruits achenes within hypanthium. | Adenostoma |
| 1 | Leaves pinnately compound; stamens 17–110; fruits aggregated follicles | > 2 |
| 2 | Leaves persistent, 1(–)2-pinnate-pinnatifid, leaflet margins entire or secondarily toothed-lobed; plants 6–20 dm. | Chamaebatiaria |
| 2 | Leaves deciduous, odd-pinnately compound, leaflet margins usually doubly serrate; plants 10–70 dm. | Sorbaria |