Difference between revisions of "Linum striatum"

Walter

Fl. Carol., 118. 1788.

Common names: Ridged yellow flax
Endemic
Synonyms: Cathartolinum striatum (Walter) Small Linum striatum var. multijugum Fernald
Treatment appears in FNA Volume 12. Treatment on page 385. Mentioned on page 378.
FNA>Volume Importer
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|name=Cathartolinum striatum
 
|name=Cathartolinum striatum
 
|authority=(Walter) Small
 
|authority=(Walter) Small
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|rank=species
 
}} {{Treatment/ID/Synonym
 
}} {{Treatment/ID/Synonym
 
|name=Linum striatum var. multijugum
 
|name=Linum striatum var. multijugum
 
|authority=Fernald
 
|authority=Fernald
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|rank=variety
 
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|hierarchy=Linaceae;Linum;Linum sect. Linopsis;Linum striatum
 
|hierarchy=Linaceae;Linum;Linum sect. Linopsis;Linum striatum
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name=Linum striatum
 
name=Linum striatum
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|authority=Walter
 
|authority=Walter
 
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|publication year=1788
 
|publication year=1788
 
|special status=Endemic
 
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V12/V12_692.xml
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|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V12/V12_692.xml
 
|genus=Linum
 
|genus=Linum
 
|section=Linum sect. Linopsis
 
|section=Linum sect. Linopsis

Revision as of 20:11, 27 May 2020

Herbs, perennial, 25–100 cm, glabrous. Stems erect-ascending, unbranched or branched from base, unbranched proximal to inflorescence, conspicuously ribbed distally. Leaves: proximal 5–20 pairs opposite, distal opposite or alternate, erect to spreading; stipular glands absent; blade elliptic to oblanceolate or obovate, 15–35 × 4–10 mm, margins entire, not ciliate, apex obtuse or acute. Inflorescences elongate panicles. Pedicels 0–4 mm. Flowers: sepals persistent, lanceolate to ovate, 1.5–3.5 mm, margins not scarious, eglandular or inner with a few delicate small marginal glands, apex acute or apiculate; petals pale yellow, obovate, 2.7–4.6 mm; stamens 1.5–2 mm; anthers 0.3–0.7 mm; staminodia absent; styles distinct, 1.2–2 mm; stigmas capitate. Capsules globose, carpels convex abaxially, 1.3–1.9 × 1.8–2.3 mm, apex depressed, dehiscing freely into 10, 1-seeded segments, segments falling freely, false septa nearly complete, proximal margins not ciliate. Seeds 1–1.4 × 0.5–0.7 mm. 2n = 36.


Phenology: Flowering Jun–Oct.
Habitat: Open or semishaded areas, swamp forests and margins, seepage bogs.
Elevation: 0–500 m.

Distribution

V12 692-distribution-map.jpg

Ont., Ala., Ark., Conn., Del., D.C., Fla., Ga., Ill., Ind., Ky., La., Md., Mass., Mich., Miss., Mo., N.J., N.Y., N.C., Ohio, Okla., Pa., R.I., S.C., Tenn., Tex., Va., W.Va.

Discussion

The branches of Linum striatum are conspicuously ribbed distally and the carpels are convex abaxially, compared with L. virginianum, which has smooth branches and carpels that are abaxially flattened. In L. striatum, the corolla is nearly rotate; all parts of the flower are yellow except the brownish anthers.

Selected References

None.

Lower Taxa

None.
... more about "Linum striatum"
Nancy R. Morin +
Walter +
Linopsis +
Ridged yellow flax +
Ont. +, Ala. +, Ark. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Ky. +, La. +, Md. +, Mass. +, Mich. +, Miss. +, Mo. +, N.J. +, N.Y. +, N.C. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, Tenn. +, Tex. +, Va. +  and W.Va. +
0–500 m. +
Open or semishaded areas, swamp forests and margins, seepage bogs. +
Flowering Jun–Oct. +
Fl. Carol., +
Cathartolinum striatum +  and Linum striatum var. multijugum +
Linum striatum +
Linum sect. Linopsis +
species +