Difference between revisions of "Crataegus (sect. Sanguineae) ser. Altaicae"
J. Bot. Res. Inst. Texas 3: 243. 2009.
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|accepted_name=Crataegus (sect. Sanguineae) ser. Altaicae | |accepted_name=Crataegus (sect. Sanguineae) ser. Altaicae | ||
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|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
|title=J. Bot. Res. Inst. Texas | |title=J. Bot. Res. Inst. Texas | ||
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name=Crataegus (sect. Sanguineae) ser. Altaicae | name=Crataegus (sect. Sanguineae) ser. Altaicae | ||
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| − | |authority= | ||
|rank=series | |rank=series | ||
|parent rank=section | |parent rank=section | ||
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|publication year=2009 | |publication year=2009 | ||
|special status=Introduced | |special status=Introduced | ||
| − | |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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V9/V9_867.xml |
|subfamily=Rosaceae subfam. Amygdaloideae | |subfamily=Rosaceae subfam. Amygdaloideae | ||
|tribe=Rosaceae tribe Gillenieae | |tribe=Rosaceae tribe Gillenieae | ||
Revision as of 22:44, 16 December 2019
[Shrubs or] trees, 30–60 dm. Stems: 1-year old twigs deep red- or purple-brown, shining, older dull or dark gray. Leaves deciduous; petiole length 1/5–1/3 blade; blade ± ovate, 5–9 cm, base truncate to broadly cuneate, lobes 3–5 per side, sinuses shallow to deep (if deep, usually only proximal 1–2), margins sharply serrate, venation craspedodromous, veins 4 or 5 per side, to lobes and deeper sinuses, apex acute. Inflorescences 20–50-flowered; branches often warty; bracteoles absent or present, caducous, linear to elliptic, membranous, margins glandular; basal branches subtended by persistent, chlorophyllous, falcate, stipuliform, glandular bracteoles. Flowers 12–15 mm diam.; sepals triangular-ovate, short, entire or 1- or 2-toothed; filament length usually 2 times petals; styles 4 or 5. Pomes yellow or orange [to red or reddish], suborbicular; sepals reflexed; pyrenes 4 or 5.
Discussion
Species 2 or 3 (1 in the flora).
Series Altaicae is closely related to ser. Sanguineae; its glabrous inflorescences, unusual fruit color, and distribution combine to distinguish it.
Selected References
None.