Difference between revisions of "Linum aristatum"
in F. A. Wislizenus, Mem. Tour N. Mexico, 101. 1848.
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|accepted_name=Linum aristatum | |accepted_name=Linum aristatum | ||
| − | |accepted_authority=Engelmann | + | |accepted_authority=Engelmann |
|publications={{Treatment/Publication | |publications={{Treatment/Publication | ||
| − | |title=Mem. Tour N. Mexico, | + | |title=in F. A. Wislizenus, Mem. Tour N. Mexico, |
|place=101. 1848 | |place=101. 1848 | ||
|year=1848 | |year=1848 | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Linum aristatum | name=Linum aristatum | ||
| − | |authority=Engelmann | + | |authority=Engelmann |
|rank=species | |rank=species | ||
|parent rank=section | |parent rank=section | ||
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|distribution=Ariz.;Colo.;N.Mex.;Tex.;Utah;Mexico (Chihuahua). | |distribution=Ariz.;Colo.;N.Mex.;Tex.;Utah;Mexico (Chihuahua). | ||
|reference=None | |reference=None | ||
| − | |publication title=Mem. Tour N. Mexico, | + | |publication title=in F. A. Wislizenus, Mem. Tour N. Mexico, |
|publication year=1848 | |publication year=1848 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_42.xml |
|genus=Linum | |genus=Linum | ||
|section=Linum sect. Linopsis | |section=Linum sect. Linopsis | ||
Latest revision as of 19:15, 5 November 2020
Herbs, annual, 10–45 cm, glabrous. Stems stiffly spreading-ascending, slender, broomlike, branched throughout. Leaves alternate or proximalmost opposite, proximal leaves spreading, distal leaves appressed-ascending; stipular glands usually present; blade linear, 5–20 × 0.3–1.1 mm, margins entire, not ciliate, apex acute. Inflorescences diffuse panicles, branches relatively long, stiffly spreading-ascending. Pedicels 6–30 mm, slender. Flowers: sepals deciduous, outer linear-lanceolate, 5.5–9 mm, apex attenuate, inner somewhat broader, shorter, margins narrowly scarious, glandular-toothed, apex awn-tipped; petals faintly maroon at base, otherwise yellow to yellow-orange throughout, obovate, 8–12 mm; stamens 5–7 mm; anthers 0.7–1.1 mm; staminodia absent; styles connate nearly to apex, 4.5–7 mm; stigmas capitate. Capsules narrowly ellipsoid, 3.5–4.5 × 2.5–3 mm, thin-walled, apex obtuse, dehiscing into 5, 2-seeded segments, segments persistent on plant, false septa complete, proximal part membranaceous, not terminating in loose fringe, distal part cartilaginous, margins not, or only sparsely, ciliate. Seeds 2.5–3 × 0.8–1 mm. 2n = 30.
Phenology: Flowering May–Sep(–Oct).
Habitat: Open places, dry, sandy soils, sagebrush or pinyon-juniper zones.
Elevation: (300–)1100–3100 m.
Distribution
Ariz., Colo., N.Mex., Tex., Utah, Mexico (Chihuahua).
Discussion
The corollas of Linum aristatum are broadly funnelform and almost entirely rich yellow to yellow orange with a faint blush of maroon toward the base. The stamens and styles are yellow; the stigmas are greenish yellow. Linum aristatum is highly branched, giving it a bushy look. It can be recognized by narrowly ellipsoidcapsules and long-attenuate sepals.
Selected References
None.