Difference between revisions of "Hypericum paucifolium"
Proc. Amer. Acad. Arts Sci. 25: 143. 1890.
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|elevation=0–50 m | |elevation=0–50 m | ||
|distribution=Tex.;Mexico. | |distribution=Tex.;Mexico. | ||
| − | |discussion=<p>The relatively long styles distinguish Hypericum paucifolium from all other North American species of sect. Trigynobrathys.</p> | + | |discussion=<p>The relatively long styles distinguish <i>Hypericum paucifolium</i> from all other North American species of sect. Trigynobrathys.</p> |
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|publication year=1890 | |publication year=1890 | ||
|special status= | |special status= | ||
| − | |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_161.xml |
|genus=Hypericum | |genus=Hypericum | ||
|section=Hypericum sect. Brathys | |section=Hypericum sect. Brathys | ||
Revision as of 17:46, 18 September 2019
Herbs annual or perennial, erect or decumbent at base, not rooting, branches basal, relatively few or none, 1–7 dm. Stems: internodes 4-angled. Leaves erect to spreading, sessile; blade linear-oblong or linear-lanceolate to linear, 5–33 × 0.5–2 mm, leathery, margins plane to revolute, apex acute, basal veins 1(–3), midrib with (0–)1–3 pairs of branches. Inflorescences narrowly V-shaped, 1–50-flowered, branching mostly dichasial. Flowers 10–15 mm diam.; sepals narrowly oblong to narrowly lanceolate, subequal to unequal, 3–7 × 0.8–1.6 mm, margins sometimes ciliate, not setulose-ciliate, apex acute; petals golden yellow to orange-yellow, red-tinged , oblanceolate to obovate, 6–10 mm; stamens 35–50, irregularly 3-fascicled; styles 2.5–5 mm; stigmas broadly capitate. Capsules ± narrowly ovoid-conic, 4–9 × 2–4 mm. Seeds 0.5–0.7 mm; testa finely linear-scalariform.
Phenology: Flowering spring.
Habitat: Dry, grassy habitats, roadsides
Elevation: 0–50 m
Discussion
The relatively long styles distinguish Hypericum paucifolium from all other North American species of sect. Trigynobrathys.
Selected References
None.