Difference between revisions of "Hypericum nitidum"

Lamarck

in J. Lamarck et al., Encycl. 4: 160. 1797.

Synonyms: Myriandra nitida (Lamarck) Spach
Treatment appears in FNA Volume 6. Treatment on page 79. Mentioned on page 76, 80, 81.
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|accepted_name=Hypericum nitidum
 
|accepted_name=Hypericum nitidum
|accepted_authority=Lamarck in J. Lamarck et al.
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|name=Myriandra nitida
 
|name=Myriandra nitida
 
|authority=(Lamarck) Spach
 
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|hierarchy=Hypericaceae;Hypericum;Hypericum sect. Myriandra;Hypericum nitidum
 
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|distribution=se United States;West Indies (Cuba);Central America (Belize).
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|distribution=Ala.;Fla.;Ga.;N.C.;S.C.;West Indies (Cuba);Central America (Belize).
 
|discussion=<p>Subspecies 3 (2 in the flora).</p><!--
 
|discussion=<p>Subspecies 3 (2 in the flora).</p><!--
 
--><p>The two subspecies of <i>Hypericum nitidum</i> present in North America apparently remain distinct there; the distinctions are less clear in Cuba, where subsp. cubense (Turczaninow) N. Robson is also present.</p>
 
--><p>The two subspecies of <i>Hypericum nitidum</i> present in North America apparently remain distinct there; the distinctions are less clear in Cuba, where subsp. cubense (Turczaninow) N. Robson is also present.</p>
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name=Hypericum nitidum
 
name=Hypericum nitidum
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|basionyms=
 
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|family=Hypericaceae
 
|family=Hypericaceae
|distribution=se United States;West Indies (Cuba);Central America (Belize).
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|distribution=Ala.;Fla.;Ga.;N.C.;S.C.;West Indies (Cuba);Central America (Belize).
 
|reference=None
 
|reference=None
 
|publication title=in J. Lamarck et al., Encycl.
 
|publication title=in J. Lamarck et al., Encycl.
 
|publication year=1797
 
|publication year=1797
 
|special status=
 
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|genus=Hypericum
 
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|section=Hypericum sect. Myriandra
 
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Latest revision as of 18:11, 6 November 2020

Shrubs, erect, forming dense thickets, 3–45 dm, bark smooth, not metallic-silvery. Stems: internodes 4-lined at first, becoming 2-winged, then terete. Leaf blades linear or linear-subulate, 9–26 × 0.5–1.5 mm, base articulated, narrowly cuneate or parallel, margins revolute, apex rounded or acute to long-acuminate with prominent hydathode, midrib unbranched. Inflorescences narrowly to broadly cylindric, 3–15-flowered, sometimes with 1–3(–7)-flowered dichasia from to 6 proximal nodes, sometimes with 1–2 pairs of additional flowering branches. Flowers 10–18 mm diam.; sepals deciduous, not enclosing capsule, 5, linear-subulate, unequal to subequal, 3.5–7 × 0.4–0.8 mm; petals 5, yellow, obovate to elliptic-lanceolate, (5–)6–10 mm; stamens deciduous, 50–80(–115); ovary 3-merous; styles shorter than ovaries. Capsules narrowly conic to cylindric, (4.5–)5–7 × (1.3–)2–3 mm. Seeds scarcely carinate, 0.5 mm; testa finely reticulate.

Distribution

V6 124-distribution-map.jpg

Ala., Fla., Ga., N.C., S.C., West Indies (Cuba), Central America (Belize).

Discussion

Subspecies 3 (2 in the flora).

The two subspecies of Hypericum nitidum present in North America apparently remain distinct there; the distinctions are less clear in Cuba, where subsp. cubense (Turczaninow) N. Robson is also present.

Selected References

None.

Key

1 Plants to 45+ dm, with ± numerous, stout, bushy-branched stems from base; leaf blade margins loosely inrolled, apex obtuse to rounded-apiculate; sepal apices shortly apiculate to acute. Hypericum nitidum subsp. nitidum
1 Plants 3–10 dm, with ± few, slender, little-branched stems from base; leaf blade margins tightly inrolled, apex acute to long-acuminate; sepal apices acute to long-acuminate. Hypericum nitidum subsp. exile