Hedypnois rhagadioloides

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]

Cretanweed
Hedypnois rhagadioloides in Italy
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Hedypnois
Species:
H. rhagadioloides
Binomial name
Hedypnois rhagadioloides
(L.) F.W.Schmidt 1795
Synonyms[1]
Synonymy
  • Hyoseris rhagadioloides L. 1753
  • Hedypnois annua Ferris
  • Hedypnois coronopifolia Ten.
  • Hedypnois crepidiformis Rchb.
  • Hedypnois cretica (L.) Dum.Cours.
  • Hedypnois furfuracea Rchb.
  • Hedypnois globulifera Lam.
  • Hedypnois hedypnois (L.) Linding.
  • Hedypnois mauritanica Willd.
  • Hedypnois monspeliensis Willd.
  • Hedypnois pendula Willd.
  • Hedypnois persica M.Bieb.
  • Hedypnois persica Fisch.
  • Hedypnois polymorpha DC.
  • Hedypnois pygmaea Willk.
  • Hedypnois sabulorum Pomel
  • Hedypnois tournefortii Cass.
  • Hyoseris cretica L.
  • Hyoseris hedypnois L.
  • Hyoseris incrassata Moench
  • Hyoseris mauritanica (Willd.) Pers.
  • Hyoseris monspeliensis Pers.
  • Hyoseris pendula Balb.
  • Hyoseris rhagadioloides L.
  • Hyoseris scabra Moench 1794 not L. 1753
  • Rhagadiolus creticus (L.) All.
  • Rhagadiolus hedypnois (L.) All.
  • Rhagadiolus pendulus (Willd.) Benth.
  • Rhagadiolus pendulus Benth. & Hook.f.

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]

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


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