Difference between revisions of "Hypericum microsepalum"
Smithsonian Misc. Collect. 258: 456. 1878.
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|name=Crookea microsepala | |name=Crookea microsepala | ||
|authority=(Torrey & A. Gray) Small | |authority=(Torrey & A. Gray) Small | ||
| − | }}{{Treatment/ID/Synonym | + | }} {{Treatment/ID/Synonym |
|name=Isophyllum drummondii | |name=Isophyllum drummondii | ||
|authority=Spach | |authority=Spach | ||
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|elevation=0–100 m | |elevation=0–100 m | ||
|distribution=Fla.;Ga. | |distribution=Fla.;Ga. | ||
| − | |discussion=<p>Hypericum microsepalum is related to H. cistifolium, not to the other four-petaled species attributed to Ascyrum, and can be distinguished from it by the bushier habit and smaller leaves and by the usually four-merous flowers with larger petals.</p><!-- | + | |discussion=<p><i>Hypericum microsepalum</i> is related to <i>H. cistifolium</i>, not to the other four-petaled species attributed to Ascyrum, and can be distinguished from it by the bushier habit and smaller leaves and by the usually four-merous flowers with larger petals.</p><!-- |
| − | --><p>Hypericum isophyllum Steudel is an illegitimate name for H. microsepalum.</p> | + | --><p><i>Hypericum</i> isophyllum Steudel is an illegitimate name for <i>H. microsepalum</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1878 | |publication year=1878 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V6/V6_134.xml |
|genus=Hypericum | |genus=Hypericum | ||
|section=Hypericum sect. Myriandra | |section=Hypericum sect. Myriandra | ||
Revision as of 18:45, 18 September 2019
Shrubs, erect to ascending, bushy, with ± numerous, sometimes straggling branches, 1.5–7 dm. Stems: internodes 4-lined at first, eventually 2-lined. Leaf blades narrowly oblong or oblanceolate to linear, 5–15 × 1–3 mm, base not articulated, rounded to cuneate, margins recurved to subrevolute, apex rounded to obtuse, midrib with 1–3 pairs of branches. Inflorescences rounded-pyramidal, 1–3-flowered, narrowly branched, sometimes with 1–3-flowered dichasia or branches from to 4 proximal nodes. Flowers 15–25 mm diam.; sepals persistent, not enclosing capsule, (3–)4(–5), oblong or elliptic-oblong to linear, subequal or equal, 3–5 × 1–1.4 mm; petals (3–)4(–5), bright yellow, obovate (larger pair) to obovate-oblong (smaller pair), 10–12 mm; stamens persistent, 60–70; ovary 3-merous, placentation parietal. Capsules cylindric-ellipsoid to narrowly ovoid-conic, 6–8 × 2.5 mm. Seeds not carinate, 0.9–1 mm; testa linear-foveolate. 2n = 18.
Phenology: Flowering late winter–spring (Feb–May), late fall (Nov).
Habitat: Low, pine flatwoods, moist to wet, on sand
Elevation: 0–100 m
Discussion
Hypericum microsepalum is related to H. cistifolium, not to the other four-petaled species attributed to Ascyrum, and can be distinguished from it by the bushier habit and smaller leaves and by the usually four-merous flowers with larger petals.
Hypericum isophyllum Steudel is an illegitimate name for H. microsepalum.
Selected References
None.