Difference between revisions of "Hypericum tenuifolium"
Fl. Amer. Sept. 2: 377. 1813.
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|phenology=Flowering spring–mid summer (Apr–Jul). | |phenology=Flowering spring–mid summer (Apr–Jul). | ||
|habitat=Dry, sandy woods, dunes and dune hollows, coastal plain | |habitat=Dry, sandy woods, dunes and dune hollows, coastal plain | ||
| − | |elevation= | + | |elevation=0–200 m |
|distribution=Ala.;Fla.;Ga.;N.C.;S.C. | |distribution=Ala.;Fla.;Ga.;N.C.;S.C. | ||
|discussion=<p><i>Hypericum tenuifolium</i> differs from <i>H. galioides</i> in habit, leaf size, and inflorescence, and in its drier habitat. Its nonrooting stems, longer leaves, and (usually) longer stems distinguish it from <i>H. lloydii</i>.</p> | |discussion=<p><i>Hypericum tenuifolium</i> differs from <i>H. galioides</i> in habit, leaf size, and inflorescence, and in its drier habitat. Its nonrooting stems, longer leaves, and (usually) longer stems distinguish it from <i>H. lloydii</i>.</p> | ||
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|phenology=Flowering spring–mid summer (Apr–Jul). | |phenology=Flowering spring–mid summer (Apr–Jul). | ||
|habitat=Dry, sandy woods, dunes and dune hollows, coastal plain | |habitat=Dry, sandy woods, dunes and dune hollows, coastal plain | ||
| − | |elevation= | + | |elevation=0–200 m |
|distribution=Ala.;Fla.;Ga.;N.C.;S.C. | |distribution=Ala.;Fla.;Ga.;N.C.;S.C. | ||
|reference=None | |reference=None | ||
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|publication year=1813 | |publication year=1813 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V6/V6_123.xml |
|genus=Hypericum | |genus=Hypericum | ||
|section=Hypericum sect. Myriandra | |section=Hypericum sect. Myriandra | ||
Latest revision as of 23:19, 5 November 2020
Shrubs, usually decumbent, not rooting, forming mats, 1–5 dm. Stems: internodes 6-lined at first, becoming 4-lined, then terete. Leaf blades linear-subulate, 4–11 × 0.4–0.8 mm, base articulated, persistent, parallel or slightly expanded, margins revolute, apex rounded with ± prominent hydathode to long-acuminate, midrib unbranched. Inflorescences ± narrowly cylindric, 1–7-flowered, with 1(–3)-flowered dichasia from to 4 proximal nodes, rarely with 1 pair of flowering branches; flowers sessile or nearly so. Flowers 10–14 mm diam.; sepals deciduous, not enclosing capsule, 5, linear-subulate, unequal, 2–4 × 0.4–0.5 mm; petals 5, bright yellow, oblanceolate-oblong to obovate, 5–10 mm; stamens deciduous, 50–90; ovary 3-merous. Capsules narrowly (sub-)cylindric, (4–)5.7–9.5 × 1.5–2 mm. Seeds scarcely carinate, 0.5 mm; testa coarsely reticulate. 2n = 18.
Phenology: Flowering spring–mid summer (Apr–Jul).
Habitat: Dry, sandy woods, dunes and dune hollows, coastal plain
Elevation: 0–200 m
Distribution
Ala., Fla., Ga., N.C., S.C.
Discussion
Hypericum tenuifolium differs from H. galioides in habit, leaf size, and inflorescence, and in its drier habitat. Its nonrooting stems, longer leaves, and (usually) longer stems distinguish it from H. lloydii.
Selected References
None.