Difference between revisions of "Hypericum suffruticosum"

W. B. Adams & N. Robson

Rhodora 63: 15. 1961.

Endemic
Basionym: Ascyrum pumilum Michaux
Synonyms: A. pauciflorum Nuttall
Treatment appears in FNA Volume 6. Treatment on page 86. Mentioned on page 74.
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|elevation=0–200 m
 
|elevation=0–200 m
 
|distribution=Ala.;Fla.;Ga.;La.;Miss.;N.C.;S.C.
 
|distribution=Ala.;Fla.;Ga.;La.;Miss.;N.C.;S.C.
|discussion=<p>Hypericum suffruticosum is near the “cuneifolium” form of H. crux-andreae; it differs, among other things, by the two-merous ovary, the relatively small or absent inner sepals, the pedicels recurved or reflexed in fruit, and the cushion or matted habit.</p>
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|discussion=<p><i>Hypericum suffruticosum</i> is near the “cuneifolium” form of <i>H. crux-andreae</i>; it differs, among other things, by the two-merous ovary, the relatively small or absent inner sepals, the pedicels recurved or reflexed in fruit, and the cushion or matted habit.</p>
 
|tables=
 
|tables=
 
|references=
 
|references=
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|publication year=1961
 
|publication year=1961
 
|special status=Endemic
 
|special status=Endemic
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V6/V6_143.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V6/V6_143.xml
 
|genus=Hypericum
 
|genus=Hypericum
 
|section=Hypericum sect. Myriandra
 
|section=Hypericum sect. Myriandra

Revision as of 17:46, 18 September 2019

Shrubs, erect and branched from near base, forming cushion, or decumbent and matted, 0.5–2 dm. Stems: internodes 4-lined at first, soon 2-winged. Leaf blades elliptic or oblong-linear to narrowly obovate or oblanceolate, 3–10 × 1–3 mm, base not articulated, rounded to cuneate, without glandlike auricles, margins plane to subrecurved, apex obtuse, midrib unbranched. Inflorescences 1-flowered, often with pseudodichotomous branches from apical node, without proximal branches; pedicels mostly recurved to reflexed in fruit, bracteoles proximal. Flowers 10–15 mm diam.; sepals persistent, enclosing capsule, (2 or) 4, unequal, outer broadly ovate to broadly elliptic, 4–8 × 4–8 mm, apex obtuse to rounded, inner none or minute; petals 4, pale yellow, narrowly obovate, often unequal, 4–8 mm; stamens persistent, 30; ovary 2-merous. Capsules cylindric-ellipsoid, 3–5 × 2–3 mm. Seeds scarcely carinate, 1 mm; testa finely reticulate. 2n = 18.


Phenology: Flowering spring–early summer (Mar–Jun).
Habitat: Dry, open, sandy pinelands, coastal plain
Elevation: 0–200 m

Distribution

V6 143-distribution-map.jpg

Ala., Fla., Ga., La., Miss., N.C., S.C.

Discussion

Hypericum suffruticosum is near the “cuneifolium” form of H. crux-andreae; it differs, among other things, by the two-merous ovary, the relatively small or absent inner sepals, the pedicels recurved or reflexed in fruit, and the cushion or matted habit.

Selected References

None.

Lower Taxa

None.