Hypericum radfordiorum Weakley ex J.R.Allison

Species

Angiosperms > Malpighiales > Hypericaceae > Hypericum

Characteristics

Herbs perennial, erect or ± spreading, branching at base and beyond, (3–)4–7(–7.8) dm. Stems: internodes 4-lined. Leaves ascending to widely spreading, sessile; blade narrowly lanceolate (linear-lanceolate on axillary branches), 10–40(–55) × 5–10(–13) mm, <longer than internodes>, leathery, margins plane, apex acute to acuminate, <densely gland-dotted>, basal vein 1, midrib with inconspicuous branches. Inflorescences cylindric, to 40-flowered; branching mostly dichasial, <subsidiary branches usually with relatively smaller leaves>. Flowers: 8–15+ mm diam.; sepals lanceolate, unequal (outer slightly wider than inner), 3–6(–7.5) × 1.1–1.8(–2.2) mm, <margins sometimes ciliate, not setulose-ciliate>, apex acute or acuminate; petals orange-yellow, obovate, 5–10 mm; stamens 50–80, filaments basally connate; styles 2–4 mm; stigmas capitate. Capsules ovoid, 5 × 3–4 mm. Seeds 0.4–0.8 mm; testa linear-pitted. 2n = 24.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
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 -
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Hardiness (USDA) -

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 -
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Optimum temperature (C°) -
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Vigor -
Productivity -

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:60466941-2
WFO ID wfo-0001041621
COL ID 3NQ3Q
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Hypericum radfordiorum