Difference between revisions of "Guilleminea densa var. aggregata"
Bot. Gaz. 20: 343. 1895.
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|common_names=Small matweed | |common_names=Small matweed | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }} | ||
|basionyms= | |basionyms= | ||
|synonyms= | |synonyms= | ||
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|elevation=(0-)1200-2600 m | |elevation=(0-)1200-2600 m | ||
|distribution=Ariz.;Calif.;Colo.;N.Mex.;Okla.;Tex.;Mexico. | |distribution=Ariz.;Calif.;Colo.;N.Mex.;Okla.;Tex.;Mexico. | ||
| − | |discussion=<p>Guilleminea densa var. aggregata has been reported also from Maryland and South Carolina; I have seen no specimens to support those reports.</p> | + | |discussion=<p><i>Guilleminea densa </i>var.<i> aggregata</i> has been reported also from Maryland and South Carolina; I have seen no specimens to support those reports.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Guilleminea densa var. aggregata | name=Guilleminea densa var. aggregata | ||
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|authority=Uline & W. L. Bray | |authority=Uline & W. L. Bray | ||
|rank=variety | |rank=variety | ||
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|publication title=Bot. Gaz. | |publication title=Bot. Gaz. | ||
|publication year=1895 | |publication year=1895 | ||
| − | |special status= | + | |special status=Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_860.xml |
|genus=Guilleminea | |genus=Guilleminea | ||
|species=Guilleminea densa | |species=Guilleminea densa | ||
Latest revision as of 22:01, 5 November 2020
Plants 1–8 dm diam. Stems procumbent, 0.5–1.5 mm diam., villous to densely woolly-villous. Leaves basal and cauline; basal rosette leaves with winged petiole 8–20 mm, blade oblong-elliptic to lanceolate, (8–)20–40 × (1–)6–9 (–13) mm, glabrous adaxially, villous abaxially; cauline leaves with petiole 2–4 mm, blade broadly to narrowly ovate, oblong-ovate, oblong, rhombic, or occasionally elliptic to lanceolate, 2–10(–23) × 2–8(–14) cm, glabrous adaxially, villous to woolly-villous abaxially. Inflorescences white, 2–3 × 3–5 mm. Flowers sessile; calyx tubes 0.8–1.2 mm; tepal lobes whitish, ovate to elliptic, 0.8–1.5 mm, membranaceous, apex acute to rounded, abaxially villous (at least near base). Utricles included within tepals, 1.1–1.4 mm. Seeds 0.8–0.9 × 0.6–0.7 mm.
Phenology: Flowering spring–fall.
Habitat: Dry sandy, gravelly, sandstone areas, waste places
Elevation: (0-)1200-2600 m
Distribution
Ariz., Calif., Colo., N.Mex., Okla., Tex., Mexico.
Discussion
Guilleminea densa var. aggregata has been reported also from Maryland and South Carolina; I have seen no specimens to support those reports.
Selected References
None.