Difference between revisions of "Symphyotrichum subg. Astropolium"
in J. C. Semple et al., Cult. Native Asters Ontario, 133. 2002.
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|discussion=<p>Species ca. 10 (3 in the flora).</p> | |discussion=<p>Species ca. 10 (3 in the flora).</p> | ||
|tables= | |tables= | ||
| − | |references= | + | |references={{Treatment/Reference |
| + | |id=sundberg1986a | ||
| + | |text=Sundberg, S. D. 1986. The Systematics of Aster Subgenus Oxytripolium (Compositae) and Historically Allied Species. Ph.D. dissertation. University of Texas. | ||
| + | }} | ||
}}<!-- | }}<!-- | ||
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|family=Asteraceae | |family=Asteraceae | ||
|distribution=North America;introduced worldwide. | |distribution=North America;introduced worldwide. | ||
| − | |reference= | + | |reference=sundberg1986a |
|publication title=in J. C. Semple et al., Cult. Native Asters Ontario, | |publication title=in J. C. Semple et al., Cult. Native Asters Ontario, | ||
|publication year=2002 | |publication year=2002 | ||
|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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V20_1076.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Symphyotrichum | |genus=Symphyotrichum | ||
Revision as of 20:22, 16 December 2019
Annuals or perennials eglandular; taprooted or rhizomatous. Stems not brittle at maturity, glabrous or glabrate, sometimes sparsely hairy in leaf axils. Leaves: basal withering by flowering, petiolate, blades 1-nerved, spatulate to ovate or obovate, margins entire or shallowly serrate or crenate; cauline subpetiolate or sessile, blades narrowly lanceolate, linear, or subulate, bases attenuate, slightly sheathing, or ± clasping. Heads radiate. Phyllaries unequal (bases indurate), green zones narrowly lanceolate, spatulate to oblanceolate-rhombic, or rhombic (faces glabrous or sparsely hairy). Ray florets 10–30(–54) in 1 series; laminae (1.3–)5–8.5(–9.5) × (0.2–)1.2–2 mm. Disc corollas sometimes weakly ampliate, throats funnelform, lobes ± erect or ± spreading. Cypselae narrowly obovoid to fusiform, sometimes ± compressed, 5–6-nerved, sparsely strigillose or glabrate. x = 5.
Distribution
North America, introduced worldwide.
Discussion
Species ca. 10 (3 in the flora).