Hedypnois rhagadioloides

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Cretanweed
Hedypnois cretica.jpg
Hedypnois rhagadioloides in Italy
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Hedypnois
Species:
H. rhagadioloides
Binomial name
Hedypnois rhagadioloides
Synonyms [1]
Synonymy
  • Hyoseris rhagadioloides L. 1753
  • Hedypnois annuaFerris
  • Hedypnois coronopifoliaTen.
  • Hedypnois crepidiformisRchb.
  • Hedypnois cretica(L.) Dum.Cours.
  • Hedypnois furfuraceaRchb.
  • Hedypnois globuliferaLam.
  • Hedypnois hedypnois(L.) Linding.
  • Hedypnois mauritanicaWilld.
  • Hedypnois monspeliensisWilld.
  • Hedypnois pendulaWilld.
  • Hedypnois persicaM.Bieb.
  • Hedypnois persicaFisch.
  • Hedypnois polymorphaDC.
  • Hedypnois pygmaeaWillk.
  • Hedypnois sabulorumPomel
  • Hedypnois tournefortiiCass.
  • Hyoseris creticaL.
  • Hyoseris hedypnoisL.
  • Hyoseris incrassataMoench
  • Hyoseris mauritanica(Willd.) Pers.
  • Hyoseris monspeliensisPers.
  • Hyoseris pendulaBalb.
  • Hyoseris rhagadioloidesL.
  • Hyoseris scabraMoench 1794 not L. 1753
  • Rhagadiolus creticus(L.) All.
  • Rhagadiolus hedypnois(L.) All.
  • Rhagadiolus pendulus(Willd.) Benth.
  • Rhagadiolus pendulusBenth. & Hook.f.

Hedypnois rhagadioloides, the Cretanweed [2] or scaly hawkbit, [3] is a species of plant in the tribe Cichorieae within the family Asteraceae. It is native to the Mediterranean Region and neighboring areas from Canary Islands to Iran, [4] and naturalized in Australia and in parts of the Americas (southwestern United States, Baja California in Mexico, central Chile). [5] [6] [7]

Hedypnois rhagadioloides is a variably hairy/hispid annual herb with flower stalks up to 40 centimeter (16 inches) stall, most of the leaves gathered around the base resembling the common dandelion except for the bristles. Leaves are green or purplish, up to 18 centimeters (7.2 inches) long. The plant produces a flower stalk with one single flower head or a flat-topped array of several heads. The head has rows of phyllaries that may be very bristly, and the head is egg-shaped when still closed. Each head contains 8-30 yellow ray flowers but no disc flowers. [8]

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References

  1. The Plant List, Hedypnois rhagadioloides (L.) F.W.Schmidt
  2. USDA, NRCS (n.d.). "Hedypnois cretica". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 19 January 2016.
  3. BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  4. Altervista Flora Italiana, genere Hedypnois includes photos and European distribution maps
  5. Biota of North America Program 2014 county distribution map
  6. Atlas of Living Australia, Hedypnois rhagadioloides (L.) F.W.Schmidt, Cretan Weed
  7. SEINet, Southwestern Biodiversity, Arizona chapter, Hedypnois cretica (L.) Dum.-Cours. photos, description, distribution map for North + South America
  8. Flora of North America, Hedypnois cretica (Linnaeus) Dumont de Courset, 1802, syn of H. rhagadioloides