Agoseris grandiflora

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Agoseris grandiflora
Agoserisgrandiflora.jpg
Agoseris grandiflora var. grandiflora
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Agoseris
Species:
A. grandiflora
Binomial name
Agoseris grandiflora
Synonyms [1]
Synonymy
  • Agoseris cinereaGreene
  • Agoseris intermediaGreene
  • Agoseris marshallii(Greene) Kuntze
  • Agoseris marshallii(Greene) Greene
  • Agoseris obtusifolia(Suksd.) Rydb.
  • Agoseris plebeia(Greene) Greene
  • Microrhynchus grandiflorus(Nutt.) Torr. & A.Gray
  • Stylopappus grandiflorusNutt.
  • Troximon grandiflorum(Nutt.) A.Gray
  • Troximon marshalliiGreene
  • Troximon plebeiumGreene

Agoseris grandiflora is a North American species of flowering plant in the family Asteraceae known by the common names California dandelion, bigflower agoseris, and grassland agoseris. [2]

Contents

The plant is native to western North America from British Columbia to California to Utah, where it grows in many habitat types. [3] [4]

Description

Agoseris grandiflora is a perennial herb producing a basal patch of leaves of various shapes reaching maximum lengths of 50 centimeters. There is usually no stem, but there is sometimes a rudimentary one. [2]

The upright part of the plant is actually the peduncle of the inflorescence, which can approach a meter in height. It is coated in soft white hairs. [2]

The flower head at the top is up to 4 centimeters wide and lined with reddish or purplish green phyllaries with curling tips. The head is ligulate, containing many yellow ray florets but no disc florets. [2]

The fruit is an achene which may be nearly 3 centimeters long, including a long beak and long white pappus. [2] It grows in meadows and forest openings. [5]

Varieties

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References

  1. The Plant List Agoseris grandiflora (Nutt.) Greene
  2. 1 2 3 4 5 "Agoseris grandiflora in Flora of North America @ efloras.org". www.efloras.org.
  3. Biota of North America Program 2014 county distribution map
  4. "Agoseris grandiflora Calflora". www.calflora.org.
  5. "Burke Herbarium Image Collection". biology.burke.washington.edu. Retrieved 2022-05-31.