Difference between revisions of "Hypericum myrtifolium"
in J. Lamarck et al., Encycl. 4: 180. 1797.
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|name=Brathydium myrtifolium | |name=Brathydium myrtifolium | ||
|authority=(Lamarck) K. Koch | |authority=(Lamarck) K. Koch | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Hypericum glaucum | |name=Hypericum glaucum | ||
|authority=Michaux | |authority=Michaux | ||
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}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=H. sessiliflorum | |name=H. sessiliflorum | ||
|authority=Willdenow ex Sprengel | |authority=Willdenow ex Sprengel | ||
| + | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Myriandra glauca | |name=Myriandra glauca | ||
|authority=(Michaux) Spach | |authority=(Michaux) Spach | ||
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Hypericaceae;Hypericum;Hypericum sect. Myriandra;Hypericum myrtifolium | |hierarchy=Hypericaceae;Hypericum;Hypericum sect. Myriandra;Hypericum myrtifolium | ||
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name=Hypericum myrtifolium | name=Hypericum myrtifolium | ||
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|authority=Lamarck in J. Lamarck et al. | |authority=Lamarck in J. Lamarck et al. | ||
|rank=species | |rank=species | ||
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|publication year=1797 | |publication year=1797 | ||
|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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V6/V6_138.xml |
|genus=Hypericum | |genus=Hypericum | ||
|section=Hypericum sect. Myriandra | |section=Hypericum sect. Myriandra | ||
Revision as of 22:02, 16 December 2019
Shrubs, erect, with woody caudex, unbranched or branched distally, 3–10 dm, bark on older stems corky. Stems: internodes 4-lined. Leaf blades oblong-ovate to triangular-lanceolate, 8–40 × (5–)7–20 mm, base articulated, subcordate-amplexicaul, margins recurved, apex rounded, midrib with 3 or 4 pairs of branches. Inflorescences hemispheric to ± flat-topped, 7–30-flowered, widely branched, with flowers or flowering branches from to 3 proximal nodes. Flowers 15–25 mm diam.; sepals persistent, not enclosing capsule, 5, ovate to lanceolate, unequal to subequal, 5–8 × 2–4.5 mm; petals 5, bright yellow, obovate to oblong-lanceolate, 8–15 mm; stamens deciduous, 200; ovary 3(–4)-merous. Capsules pyramidal-ovoid, 5–6 × 3–4 mm. Seeds narrowly carinate, 1 mm; testa shallowly linear-reticulate. 2n = 18.
Phenology: Flowering late spring–summer (May–Jul), sometimes fall.
Habitat: Moist pinewoods, grassy bogs, pond margins, ditches
Elevation: 0–200 m
Distribution
Ala., Fla., Ga., Miss., S.C.
Discussion
Hypericum myrtifolium is related to H. frondosum; it differs in its shorter, usually amplexicaul leaves, the widely dichasially branched inflorescences, and persistent sepals.
Selected References
None.