Kingdom:
Phylum:
Angiosperms
Order:
Asterales
Family:
Genus:
Species:
perplexum
ID:
13643

Status:
valid

Authors:
J.R.Allison

Source:
gcc

Year:
2001

Citation Micro:
Castanea 66(1-2): 188 (-189; fig. 12D- (2001)

WFO Identifier:
wfo-0000012972



Common Names

  • Silphium perplexum
  • Perplexed Silphium
  • Confused Silphium


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Description

Silphium perplexum (also called perplexing cup-plant, among many other common names) is a perennial herbaceous plant native to the United States. It has yellow flowers and lanceolate leaves. It is found in prairies, open woodlands, and disturbed areas.

Uses & Benefits

Silphium perplexum is used as an ornamental plant in gardens and as a ground cover. It is also used to attract butterflies and other pollinators.

Flower, Seeds and Seedlings

Silphium perplexum has yellow flowers with five petals. Its seeds are small and black. Its seedlings have long, narrow leaves.

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Cultivation and Propagation

Silphium perplexum is a perennial plant that can be propagated by seed or division. It prefers full sun and moist, well-drained soil. It is tolerant of a wide range of soil types and can tolerate drought once established. It is also tolerant of salt spray and wind.

Where to Find Silphium perplexum

Silphium perplexum is found in the southeastern United States, from Texas to Florida.

Silphium perplexum FAQ

What is the natural habitat of Silphium perplexum?

Silphium perplexum is native to the United States.

What type of soil does Silphium perplexum prefer?

Silphium perplexum prefers well-drained, sandy soils.

How much sun does Silphium perplexum need?

Silphium perplexum prefers full sun.

Species in the Asteraceae family

Aaronsohnia pubescens, Aaronsohnia factorovskyi, Abrotanella filiformis, Abrotanella rostrata, Abrotanella linearis, Abrotanella trilobata, Abrotanella muscosa, Abrotanella inconspicua, Abrotanella trichoachaenia, Abrotanella caespitosa, Abrotanella nivigena, Abrotanella pusilla, Abrotanella linearifolia, Abrotanella papuana, Abrotanella rosulata, Abrotanella emarginata, Abrotanella fertilis, Abrotanella spathulata, Abrotanella purpurea, Abrotanella patearoa, Abrotanella submarginata, Abrotanella diemii, Abrotanella scapigera, Abrotanella forsterioides, Acamptopappus shockleyi, Acamptopappus sphaerocephalus, Acanthocephalus benthamianus, Acanthocephalus amplexifolius, Acanthocladium dockeri, Acanthodesmos distichus, Acanthodesmos gibarensis, Acanthospermum humile, Acanthospermum consobrinum, Acanthospermum glabratum, Acanthospermum microcarpum, Acanthospermum hispidum, Acanthospermum australe, Acanthospermum lecocarpoides, Acanthostyles buniifolius, Acanthostyles saucechicoensis, Achillea buiana, Achillea conrathii, Achillea cucullata, Achillea styriaca, Achillea clavennae, Achillea cappadocica, Achillea huber-morathii, Achillea ptarmicoides, Achillea sieheana, Achillea barrelieri,

References

The Plant List v1.1 record gcc-112552: Based on the initial data import
James R. Allison: Based on occurrence of standard abbreviation 'J.R.Allison' in the authors string.