Difference between revisions of "Crataegus chrysocarpa var. vigintistamina"
J. Bot. Res. Inst. Texas 1: 1008. 2007.
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|elevation=100–400 m | |elevation=100–400 m | ||
|distribution=Ont.;Minn.;N.Y. | |distribution=Ont.;Minn.;N.Y. | ||
| − | |discussion=<p>Variety vigintistamina is similar to <i></i>var.<i> chrysocarpa</i> except with 20 stamens; it is frequent in parts of Minnesota, where it has the intermediate indumentum mentioned under <i></i>var.<i> chrysocarpa</i> and <i></i>var.<i> faxonii</i>. <i>Crataegus</i> divergens (Peck) Sargent, a prior name, with 10 to 18 stamens according to Sargent, is known from New York; its type (C. H. Peck 70) has ten stamens, preventing the name from being used for the current taxon.</p> | + | |discussion=<p>Variety vigintistamina is similar to <i></i></i>var.<i><i> chrysocarpa</i> except with 20 stamens; it is frequent in parts of Minnesota, where it has the intermediate indumentum mentioned under <i></i></i>var.<i><i> chrysocarpa</i> and <i></i></i>var.<i><i> faxonii</i>. <i>Crataegus</i> divergens (Peck) Sargent, a prior name, with 10 to 18 stamens according to Sargent, is known from New York; its type (C. H. Peck 70) has ten stamens, preventing the name from being used for the current taxon.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=2007 | |publication year=2007 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V9/V9_1028.xml |
|subfamily=Rosaceae subfam. Amygdaloideae | |subfamily=Rosaceae subfam. Amygdaloideae | ||
|tribe=Rosaceae tribe Gillenieae | |tribe=Rosaceae tribe Gillenieae | ||
Revision as of 20:34, 24 September 2019
Shrubs, 20–30 dm. Leaves: blade ovate to rhombic-ovate, base ± cuneate, sinuses: max LII 15–20%, lobe apex acute, veins 3–5 per side, abaxial surface glabrous or lamina sparsely hairy at anthesis, veins hairy, adaxial appressed-scabrous, glabrescent. Inflorescences: branches pubescent. Flowers 15–20 mm diam.; hypanthium hairy; stamens 20, anthers cream or ivory. Pomes red, suborbicular, 8–10 mm diam., glabrous.
Phenology: Flowering May; fruiting Sep–Oct.
Habitat: Open brush
Elevation: 100–400 m
Distribution
Ont., Minn., N.Y.
Discussion
Variety vigintistamina is similar to var. chrysocarpa except with 20 stamens; it is frequent in parts of Minnesota, where it has the intermediate indumentum mentioned under var. chrysocarpa and var. faxonii. Crataegus divergens (Peck) Sargent, a prior name, with 10 to 18 stamens according to Sargent, is known from New York; its type (C. H. Peck 70) has ten stamens, preventing the name from being used for the current taxon.
Selected References
None.