Rudbeckia hirta var. pulcherrima Farw.

Blackeyed susan (en), Rudbéckie bicolore (fr)

Variety

Angiosperms > Asterales > Asteraceae > Rudbeckia > Rudbeckia hirta

Characteristics

Annuals or perennials. Stems branched mostly beyond mid heights, leafy ± throughout. Leaves: basal blades lanceolate to oblanceolate 1–2.5(–5) cm wide (lengths 3–5 times widths); cauline blades spatulate, oblanceolate, or broadly linear; margins entire or serrulate; faces scabrous to hirsute. Peduncles to 1/3 plant heights. 2n = 38.
Life form
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread anemochory
Mature width (meter) -
Mature height (meter) 0.4 - 1.25
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 -
Soil nutriment -
Hardiness (USDA) 4-7

Usage

Uses -
Edible -
Therapeutic use Abortifacient agents (unspecified), Immunostimulant (unspecified), Contraceptive agents (unspecified), Immunomodulation (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity light
Germination treatment stratification
Minimum temperature (C°) -35
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Rudbeckia hirta var. pulcherrima unspecified picture

Distribution

Rudbeckia hirta var. pulcherrima world distribution map, present in Canada, France, Japan, Poland, Korea (Democratic People's Republic of), Russian Federation, Ukraine, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:223755-2
WFO ID wfo-0000070336
COL ID 5R9M6
BDTFX ID 103613
INPN ID 718766
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Brauneria serotina Rudbeckia bicolor Rudbeckia sericea Rudbeckia longipes Rudbeckia hirta var. lanceolata Rudbeckia serotina var. corymbifera Rudbeckia serotina var. sericea Rudbeckia hirta var. pulcherrima Rudbeckia serotina var. serotina Rudbeckia hirta var. serotina Rudbeckia serotina var. lanceolata Rudbeckia hirta var. corymbifera Rudbeckia hirta var. sericea Rudbeckia serotina f. serotina