Difference between revisions of "Linum medium"

(Planchon) Britton in N. L. Britton and A. Brown

Ill. Fl. N. U.S. 2: 349. 1897.

Common names: Stiff yellow flax
Illustrated
Basionym: Linum virginianum var. medium Planchon London J. Bot. 7: 480. 1848
Synonyms: Cathartolinum medium (Planchon) Small
Treatment appears in FNA Volume 12. Treatment on page 384. Mentioned on page 378.
FNA>Volume Importer
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-->{{Treatment/Body
 
-->{{Treatment/Body
|distribution=c;e North America;West Indies (Bahamas).
+
|distribution=Ont.;Ala.;Ark.;Conn.;D.C.;Del.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Md.;Mich.;Miss.;Mo.;N.C.;N.J.;N.Y.;Ohio;Okla.;Pa.;R.I.;S.C.;Tenn.;Tex.;Va.;Vt.;W.Va.;Wis.;West Indies (Bahamas).
 
|discussion=<p>Varieties 2 (2 in the flora).</p><!--
 
|discussion=<p>Varieties 2 (2 in the flora).</p><!--
 
--><p>The corollas of <i>Linum medium</i> are broadly funnelform to nearly rotate, with all flower parts yellow except the brownish anthers.</p>
 
--><p>The corollas of <i>Linum medium</i> are broadly funnelform to nearly rotate, with all flower parts yellow except the brownish anthers.</p>
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|basionyms=Linum virginianum var. medium
 
|basionyms=Linum virginianum var. medium
 
|family=Linaceae
 
|family=Linaceae
|distribution=c;e North America;West Indies (Bahamas).
+
|distribution=Ont.;Ala.;Ark.;Conn.;D.C.;Del.;Fla.;Ga.;Ill.;Ind.;Iowa;Kans.;Ky.;La.;Maine;Mass.;Md.;Mich.;Miss.;Mo.;N.C.;N.J.;N.Y.;Ohio;Okla.;Pa.;R.I.;S.C.;Tenn.;Tex.;Va.;Vt.;W.Va.;Wis.;West Indies (Bahamas).
 
|reference=None
 
|reference=None
 
|publication title=Ill. Fl. N. U.S.
 
|publication title=Ill. Fl. N. U.S.
 
|publication year=1897
 
|publication year=1897
 
|special status=Illustrated
 
|special status=Illustrated
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V12/V12_811.xml
+
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V12/V12_811.xml
 
|genus=Linum
 
|genus=Linum
 
|section=Linum sect. Linopsis
 
|section=Linum sect. Linopsis

Revision as of 20:12, 27 May 2020

Herbs, usually perennial, rarely annual, 10–80 cm, glabrous. Stems erect, usually multiple from base, unbranched proximal to inflorescence. Leaves: proximal 3–20 pairs opposite, distal alternate, rarely (in northern plants) opposite nearly to inflorescence, erect to appressed; stipular glands absent; blade narrowly lanceolate to oblanceolate, 10–25 × 1.5–5.5 mm, margins entire, not ciliate, apex obtuse or apiculate. Inflorescences corymbs. Pedicels 0–5 mm. Flowers: sepals persistent, lanceolate, inner somewhat shorter, broader than outer, outer sepals 2–5 mm, margins not scarious, inner usually glandular-toothed, rarely entire, outer entire, apex acute; petals lemon yellow, obovate, 4.5–8 mm; stamens 2.5 mm; anthers 0.5–l.3 mm; staminodia absent; styles distinct, 1–3 mm; stigmas capitate. Capsules depressed-globose, 1.6–2.3 × 2–2.5 mm, apex depressed, tardily (or readily in var. medium) dehiscing into 10, 1-seeded segments, segments usually persistent on plant, false septa nearly complete, proximal margins not ciliate. Seeds 1.3–1.7 × 0.6–0.8 mm.

Distribution

V12 811-distribution-map.jpg

Ont., Ala., Ark., Conn., D.C., Del., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Maine, Mass., Md., Mich., Miss., Mo., N.C., N.J., N.Y., Ohio, Okla., Pa., R.I., S.C., Tenn., Tex., Va., Vt., W.Va., Wis., West Indies (Bahamas).

Discussion

Varieties 2 (2 in the flora).

The corollas of Linum medium are broadly funnelform to nearly rotate, with all flower parts yellow except the brownish anthers.

Selected References

None.

Key

1 Leaves opaque, apex obtuse; inner sepals usually sparsely glandular-toothed, sometimes entire. Linum medium var. medium
1 Leaves ± translucent, apex minutely apiculate; inner sepals conspicuously glandular-toothed. Linum medium var. texanum
... more about "Linum medium"
Nancy R. Morin +
(Planchon) Britton in N. L. Britton and A. Brown +
Linum virginianum var. medium +
Stiff yellow flax +
Ont. +, Ala. +, Ark. +, Conn. +, D.C. +, Del. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Maine +, Mass. +, Md. +, Mich. +, Miss. +, Mo. +, N.C. +, N.J. +, N.Y. +, Ohio +, Okla. +, Pa. +, R.I. +, S.C. +, Tenn. +, Tex. +, Va. +, Vt. +, W.Va. +, Wis. +  and West Indies (Bahamas). +
Ill. Fl. N. U.S. +
Illustrated +
Cathartolinum medium +
Linum medium +
Linum sect. Linopsis +
species +