Difference between revisions of "Xyris difformis"
Fl. South. U.S. 500. 1860.
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− | |distribution= | + | |distribution=N.S.;Ont.;Ala.;Ark.;Conn.;D.C.;Del.;Fla.;Ga.;Ind.;Ky.;La.;Maine;Mass.;Md.;Mich.;Miss.;N.C.;N.H.;N.J.;N.Y.;Ohio;Okla.;Pa.;R.I.;S.C.;Tenn.;Tex.;Va.;Vt.;Wis.;Central America. |
|discussion=<p>Varieties 3 (3 in the flora).</p> | |discussion=<p>Varieties 3 (3 in the flora).</p> | ||
|tables= | |tables= | ||
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name=Xyris difformis | name=Xyris difformis | ||
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|authority=Chapman | |authority=Chapman | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Xyridaceae | |family=Xyridaceae | ||
− | |distribution= | + | |distribution=N.S.;Ont.;Ala.;Ark.;Conn.;D.C.;Del.;Fla.;Ga.;Ind.;Ky.;La.;Maine;Mass.;Md.;Mich.;Miss.;N.C.;N.H.;N.J.;N.Y.;Ohio;Okla.;Pa.;R.I.;S.C.;Tenn.;Tex.;Va.;Vt.;Wis.;Central America. |
|reference=None | |reference=None | ||
|publication title=Fl. South. U.S. | |publication title=Fl. South. U.S. | ||
|publication year=1860 | |publication year=1860 | ||
|special status= | |special status= | ||
− | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V22/V22_390.xml |
|genus=Xyris | |genus=Xyris | ||
|species=Xyris difformis | |species=Xyris difformis | ||
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+ | [[Category:Treatment]] | ||
+ | [[Category:Xyris]] | ||
+ | [[Category:Revised Since Print]] |
Latest revision as of 19:33, 6 November 2020
Herbs, perennial, cespitose, (10–)15–70(–90) cm, base not bulbous. Stems compact. Leaves in narrow to broad fans, 5–50 cm; sheaths soft, base reddish; blade deep green, linear to linear—sword-shaped, flat, not twisted, under 7 mm wide, papillate or smooth, margins smooth or papillate, somewhat scabrous. Inflorescences: scape sheaths exceeded by leaves; scapes linear to filiform, terete proximally, terete or ancipital-2-edged–winged distally, 0.5–3 mm wide, variably ribbed, distally with 3 or more somewhat scabrous ribs, ribs papillate to scabrous; spikes prevalently ovoid, 5–20 mm, apex usually acute; fertile bracts (4–)5–7(–9) mm, margins entire, apex rounded. Flowers: lateral sepals included, slightly curved, 5–7 mm, keel brown, scarious, lacerate; petals unfolding in morning, blade obtriangular, 4 mm; staminodes bearded. Seeds translucent to mealy, ovoid to ellipsoid, 0.5 mm, finely lined longitudinally with small papillae.
Distribution
![V22 390-distribution-map.jpg](/w/images/d/db/V22_390-distribution-map.jpg)
N.S., Ont., Ala., Ark., Conn., D.C., Del., Fla., Ga., Ind., Ky., La., Maine, Mass., Md., Mich., Miss., N.C., N.H., N.J., N.Y., Ohio, Okla., Pa., R.I., S.C., Tenn., Tex., Va., Vt., Wis., Central America.
Discussion
Varieties 3 (3 in the flora).
Selected References
None.
Lower Taxa
Key
1 | Leaves and scapes (except for edges and ribs) smooth; scapes somewhat to much widened distally; 2 ribs comparably wider, making wings, smooth or papillate; seeds translucent | Xyris difformis var. difformis |
1 | Leaves and scapes variously papillate or minutely scabrous; scapes not much widened distally; ribs all equally prominent, somewhat scabrous; seeds translucent or mealy. | > 2 |
2 | Seeds translucent; leaves spreading-ascending in broad fans, rarely as long as 10 cm, linear–sword-shaped; spikes rarely longer than 5 mm. | Xyris difformis var. curtissii |
2 | Seeds mealy; leaves ascending in broad to narrow fans, rarely shorter than (10–)15 cm, linear; spikes 6–10(–15) mm | Xyris difformis var. floridana |