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Silphium asteriscus var. dentatum (Elliott) Chapm.

Variety

Angiosperms > Asterales > Asteraceae > Silphium > Silphium asteriscus

Characteristics

Plants 50–150 cm. Leaves: basal caducous; cauline opposite or alternate; faces hirsute, hispid, or scabrous. Paleae puberulent. Ray florets 8–13 . Disc florets 35–120. 2n = 14.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.5 - 1.5
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 5-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-10

Usage

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

Cultivation

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

Distribution

Silphium asteriscus var. dentatum world distribution map, present in United States of America

Identifiers

LSID urn:lsid:ipni.org:names:236419-2
WFO ID wfo-0000101146
COL ID 939CB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Silphium dentatum f. dentatum Silphium incisum Silphium nodum Silphium elliottii Silphium dentatum Silphium angustum Silphium dentatum var. angustatum Silphium dentatum var. dentatum Silphium asteriscus var. dentatum Silphium asteriscus var. angustatum Silphium asteriscus var. laevicaule
WorldFloraDB 2024