Rudbeckia laciniata var. heterophylla (Torr. & A.Gray) Fernald & B.G.Schub.

Variety

Angiosperms > Asterales > Asteraceae > Rudbeckia > Rudbeckia laciniata

Characteristics

Leaves: basal 15–30 × 5–10 cm, blades usually not lobed, rarely 3-lobed; cauline blades not lobed; adaxial faces moderately to densely hairy. Receptacles globose to ovoid; paleae 4–5 mm. Ray laminae 15–45 × 8–17 mm. Discs 10–15 × 8–20 mm. Cypselae 4–5.5 mm; pappi to 0.7 mm.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread anemochory
Mature width (meter) -
Mature height (meter) 0.5 - 3.0
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 -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) 5 - 21
Germination temperacture (C°) 21
Germination luminosity light
Germination treatment stratification
Minimum temperature (C°) -40
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Rudbeckia laciniata var. heterophylla world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:223768-2
WFO ID wfo-0000083368
COL ID 5R9MC
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Rudbeckia heterophylla Rudbeckia laciniata var. heterophylla