Rudbeckia fulgida var. deamii (S.F.Blake) Perdue

Deam's coneflower (en)

Variety

Angiosperms > Asterales > Asteraceae > Rudbeckia > Rudbeckia fulgida

Characteristics

Stems densely villous-hirsute (hairs retrorse). Leaves: basal blades ovate, 1.5–6 cm wide, lengths to 2 times widths, bases rounded to attenuate, margins mostly coarsely crenate, faces hairy; cauline sessile distally, elliptic to lanceolate (distalmost ovate), not notably smaller distally, bases ± auriculate (clasping), margins sharply serrate (teeth remote), faces densely villous-hirsute. Phyllaries reflexed, 1–2 × 0.2–0.6 cm, densely hairy. Receptacles 11–17 mm diam.; palea margins ciliate, faces mostly glabrous. Ray florets 12–20; laminae 15–25 mm.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.1 - 0.5
Mature height (meter) 0.5 - 1.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 3-5
Soil texture 3-4
Soil acidity 3-8
Soil nutriment -
Hardiness (USDA) 4-8

Usage

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

Cultivation

Can be grown by divisions or seedlings. Seeds needs stratification.
Mode divisions seedlings
Germination duration (days) 5 - 21
Germination temperacture (C°) 21
Germination luminosity light
Germination treatment stratification
Minimum temperature (C°) -35
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Rudbeckia fulgida var. deamii world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:223727-2
WFO ID wfo-0000100008
COL ID 78Y2L
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rudbeckia deamii Rudbeckia fulgida var. deamii