Hypericum virgatum

Lamarck in J. Lamarck et al.

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

EndemicSelected by author to be illustrated
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.
Revision as of 17:46, 18 September 2019 by FNA>Volume Importer

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 oblong-elliptic 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.
... more about "Hypericum virgatum"
Norman K. B. Robson +
Lamarck in J. Lamarck et al. +
Ala. +, Ark. +, Fla. +, Ga. +, Ill. +, Ind. +, Ky. +, La. +, Md. +, Miss. +, N.C. +, Ohio +, S.C. +, Tenn. +, Va. +  and W.Va. +
0–700 m +
Dry roadsides, fields, open woods +
Flowering mid–late summer (Jun–Sep). +
in J. Lamarck et al., Encycl. +
Endemic +  and Selected by author to be illustrated +
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 +