Hypericum virgatum


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

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 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


V6 151-distribution-map.jpg

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


Selected References


Lower Taxa

... more about "Hypericum virgatum"
Norman K. B. Robson +
Lamarck +
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 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 +