Hypericum virgatum

Lamarck in J. Lamarck et al.

in J. Lamarck et al., Encycl. 4: 158. 1796.

EndemicIllustrated
Synonyms: Brathys lanceolata Spach Hypericum acutifolium Elliott H. denticulatum subsp. acutifolium (Elliott) N. Robson H. denticulatum var. acutifolium (Elliott) S. F. Blake H. denticulatum var. recognitum Fernald & B. G. Schubert H. virgatum var. acutifolium (Elliott) J. M. Coulter
Treatment appears in FNA Volume 6. Treatment on page 90. Mentioned on page 88, 91.

Herbs perennial, erect, unbranched or branching at base and in inflorescence, 4–7.5 (–10) dm. Stems: internodes 4-lined. Leaves (main-stem) ascending to spreading, sessile; blade lanceolate to oblongelliptic or obovate, 10–30 (–50) × 3–8 (–12) mm, on main-stem, longer than internodes, leathery, margins plane, apex usually acute to acuminate, rarely obtuse, basal veins 1–3+, midrib with 2–3 pairs of inconspicuous branches. Inflorescences broadly cylindric to corymbiform, 25–70-flowered, branching mostly dichasial, subsidiary branches with or without relatively smaller leaves. Flowers 8–13 mm diam.; sepals narrowly ovate to lanceolate, equal, 3–3.5 × 1.5–2.5 mm, margins sometimes ciliate, not setulose-ciliate, apex acute to acuminate; petals orange-yellow, obovate, 6–10 mm; stamens 50–80, irregularly grouped; styles 2–4 mm; stigmas capitate. Capsules ovoid to rostrate-subglobose, 3–5 × 2–3 mm. Seeds (0.5–) 0.6–0.8 (–0.9) mm; testa reticulate. 2n = 24.


Phenology: Flowering mid–late summer (Jun–Sep).
Habitat: Dry roadsides, fields, open woods
Elevation: 0–700 m

Distribution

V6 151-distribution-map.jpg

Ala., Ark., Fla., Ga., Ill., Ind., Ky., La., Md., Miss., N.C., Ohio, S.C., Tenn., Va., W.Va.

Discussion

Selected References

None.

Lower Taxa

None.

"dm" is not declared as a valid unit of measurement for this property.

... more about "Hypericum virgatum"
reddish +  and black +
yellow;orange +
oblong;ellipsoid +
acute;acuminate +
Norman K. B. Robson +
Lamarck in J. Lamarck et al. +
striate +  and smooth +
punctiform +
distinct +
3 cm30 mm <br />0.03 m <br /> (5 cm50 mm <br />0.05 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
lanceolate +  and oblongelliptic or obovate +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
inconspicuous +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
ovoid;rostrate-subglobose +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Ala. +, Ark. +, Fla. +, Ga. +, Ill. +, Ind. +, Ky. +, La. +, Md. +, Miss. +, N.C. +, Ohio +, S.C. +, Tenn. +, Va. +  and W.Va. +
0–700 m +
connate +  and distinct +
0.8 cm8 mm <br />0.008 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Dry roadsides, fields, open woods +
dichasial +, branching +, 25-70-flowered +  and corymbiform +
axillary +  and terminal +
terete +  and angled +
persistent +  and deciduous +
ascending;spreading +
smaller +
not setulose-ciliate +  and ciliate +
glandular-ciliate +
(2-)3(-4)-merous +
axile +  and parietal +
glanduliferous +
contorted +  and imbricate +
orange-yellow +
persistent +
distinct +
obovate +
0.6 cm6 mm <br />0.006 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering mid–late summer (Jun–Sep). +
in J. Lamarck et al., Encycl. +
interrupted +  and continuous +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
not carinate +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (?) +  and 0.08 cm0.8 mm <br />8.0e-4 m <br /> (?) +
persistent +
connate +  and distinct +
narrowly ovate;lanceolate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Endemic +  and Illustrated +
persistent +
clavate +  and capitate +
expanded +  and minute +
connate +  and distinct +
elongate +
0.2 cm2 mm <br />0.002 m <br /> (?) +  and 0.4 cm4 mm <br />0.004 m <br /> (?) +
Brathys lanceolata +, Hypericum acutifolium +, H. denticulatum subsp. acutifolium +, H. denticulatum var. acutifolium +, H. denticulatum var. recognitum +  and H. virgatum var. acutifolium +
Hypericum virgatum +
Hypericum sect. Brathys +
species +
scalariform +
reticulate +  and foveolate +
branching +  and unbranched +
hairy +  and glabrous +
6 +, 9 +  and 7 +