Hypericum virgatum Lam.

Sharpleaf st. johnswort (en)

Species

Angiosperms > Malpighiales > Hypericaceae > Hypericum

Characteristics

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.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.4 - 0.75
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 10 - 12
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Hypericum virgatum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:317532-2
WFO ID wfo-0000728453
COL ID 3NQB2
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Brathys lanceolata Hypericum virgatum Hypericum incertum Brathys denticulatum var. virgatum Hypericum denticulatum subsp. acutifolium Hypericum denticulatum var. virgatum Hypericum denticulatum var. recognitum