Difference between revisions of "Hypericum paucifolium"

S. Watson

Proc. Amer. Acad. Arts Sci. 25: 143. 1890.

Treatment appears in FNA Volume 6. Treatment on page 95. Mentioned on page 88.
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|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V6/V6_161.xml
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|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V6/V6_161.xml
 
|genus=Hypericum
 
|genus=Hypericum
 
|section=Hypericum sect. Brathys
 
|section=Hypericum sect. Brathys

Latest revision as of 22:19, 5 November 2020

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.

Lower Taxa

None.
... more about "Hypericum paucifolium"
Norman K. B. Robson +
S. Watson +
Tex. +  and Mexico. +
0–50 m +
Dry, grassy habitats, roadsides +
Flowering spring. +
Proc. Amer. Acad. Arts Sci. +
Undefined sect. Brathys +, Hypericum sect. Brathys +, H. sect. Spachium +, H. subsect. Spachium +, H. sect. Trigynobrathys +  and Sarothra sect. Trigynobrathys +
Hypericum paucifolium +
Hypericum sect. Brathys +
species +