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Lithospermum

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Lithospermum
Lithospermum officinale
specie tipo
Classificazione APG IV
DominioEukaryota
RegnoPlantae
(clade)Angiosperme
(clade)Mesangiosperme
(clade)Eudicotiledoni
(clade)Eudicotiledoni centrali
(clade)Superasteridi
(clade)Asteridi
(clade)Euasteridi
(clade)Lamiidi
OrdineBoraginales
FamigliaBoraginaceae
SottofamigliaBoraginoideae
TribùLithospermeae
GenereLithospermum
L.
Classificazione Cronquist
DominioEukaryota
RegnoPlantae
DivisioneMagnoliophyta
ClasseMagnoliopsida
OrdineLamiales
FamigliaBoraginaceae
GenereLithospermum
Specie

Lithospermum L. è un genere di piante perenni della famiglia delle Boraginacee.[1]

I fiori, a volte eterostili, sono portati in cime fogliose terminali o ascellari.
Il calice pentalobato più o meno fino alla base è accrescente.
La corolla può variare da cilindrica a infundibuliforme, è biancastra e ha un tubo con 5 squame più o meno glandulose alla fauce e con un anello alla base.
Gli stami sono inclusi e inseriti a circa la metà del tubo.
Lo stilo, semplice, è incluso e ha stimma bilobo.
Le nucule, lisce, bianche e lucenti, sono quattro e completamente staccate dal ricettacolo.

Distribuzione e habitat

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Il genere è presente in Europa, Africa, Asia, Nord America e Sud America[1]. In Italia è presente una sola specie, Lithospermum officinale[2].

Il genere comprende 84 specie:[1]

  • Lithospermum affine DC.
  • Lithospermum afromontanum Weim.
  • Lithospermum album (G.L.Nesom) J.I.Cohen
  • Lithospermum altamiranense Pat.-Sicil., Cohen & Pérez-Calix
  • Lithospermum astienzae Pat.-Sicil., Cohen & Pérez-Calix
  • Lithospermum azuayense Weigend & Nürk
  • Lithospermum barbigerum (I.M.Johnst.) J.I.Cohen
  • Lithospermum berlandieri I.M.Johnst.
  • Lithospermum bolivariense Weigend & Nürk
  • Lithospermum calcicola B.L.Rob.
  • Lithospermum californicum A.Gray
  • Lithospermum calycosum (J.F.Macbr.) I.M.Johnst.
  • Lithospermum canescens (Michx.) Lehm.
  • Lithospermum caroliniense (J.F.Gmel.) MacMill.
  • Lithospermum chiapense J.I.Cohen
  • Lithospermum chihuahuanum J.I.Cohen
  • Lithospermum cinerascens (A.DC.) I.M.Johnst.
  • Lithospermum cinereum DC.
  • Lithospermum cobrense Greene
  • Lithospermum confine I.M.Johnst.
  • Lithospermum confundum (B.L.Turner) J.I.Cohen
  • Lithospermum cuneifolium Pers.
  • Lithospermum cuzcoense Weigend & Nürk
  • Lithospermum decipiens (J.R.Allison) Weakley
  • Lithospermum discolor M.Martens & Galeotti
  • Lithospermum distichum Ortega
  • Lithospermum diversifolium DC.
  • Lithospermum dodrantale (I.M.Johnst.) J.I.Cohen
  • Lithospermum elenae Pat.-Sicil., J.I.Cohen & Zamudio
  • Lithospermum erythrorhizon Siebold & Zucc.
  • Lithospermum exsertum (D.Don) J.I.Cohen
  • Lithospermum flavum Sessé & Moc.
  • Lithospermum flexuosum Lehm.
  • Lithospermum gayanum (Wedd.) I.M.Johnst.
  • Lithospermum guatemalense Donn.Sm.
  • Lithospermum hancockianum Oliv.
  • Lithospermum helleri (Small) J.I.Cohen
  • Lithospermum hirsutum E.Mey. ex DC.
  • Lithospermum incisum Lehm.
  • Lithospermum indecorum I.M.Johnst.
  • Lithospermum ireneae Pat.-Sicil., J.I.Cohen & Zamudio
  • Lithospermum jimulcense I.M.Johnst.
  • Lithospermum johnstonii J.I.Cohen
  • Lithospermum kelloggianum J.I.Cohen
  • Lithospermum latifolium Michx.
  • Lithospermum leonotis (I.M.Johnst.) J.I.Cohen
  • Lithospermum leymebambense Weigend & Nürk
  • Lithospermum macbridei I.M.Johnst.
  • Lithospermum macromeria J.I.Cohen
  • Lithospermum matamorense DC.
  • Lithospermum mediale I.M.Johnst.
  • Lithospermum mirabile Small
  • Lithospermum molle (Michx.) Muhl.
  • Lithospermum muelleri I.M.Johnst.
  • Lithospermum multiflorum Torr. ex A.Gray
  • Lithospermum nelsonii Greenm.
  • Lithospermum notatum (I.M.Johnst.) J.I.Cohen
  • Lithospermum oaxacanum (B.L.Turner) J.I.Cohen
  • Lithospermum oblongifolium Greenm.
  • Lithospermum obovatum J.F.Macbr.
  • Lithospermum occidentale (Mack.) Weakley
  • Lithospermum officinale L.
  • Lithospermum papillosum Thunb.
  • Lithospermum parviflorum Weakley, Witsell & D.Estes
  • Lithospermum peruvianum DC.
  • Lithospermum pinetorum (I.M.Johnst.) J.I.Cohen
  • Lithospermum pringlei I.M.Johnst.
  • Lithospermum revolutum B.L.Rob.
  • Lithospermum rodriguezii Weigend & Nürk
  • Lithospermum rosei (I.M.Johnst.) J.I.Cohen
  • Lithospermum ruderale Douglas ex Lehm.
  • Lithospermum rzedowskii J.I.Cohen
  • Lithospermum scabrum Thunb.
  • Lithospermum strictum Lehm.
  • Lithospermum subsetosum (Mack. & Bush) Weakley
  • Lithospermum sylvestre J.I.Cohen & J.C.Manning
  • Lithospermum tenerum J.I.Cohen
  • Lithospermum trinervium (Lehm.) J.I.Cohen
  • Lithospermum tuberosum Rugel ex DC.
  • Lithospermum tubuliflorum Greene
  • Lithospermum turneri J.I.Cohen
  • Lithospermum unicum (J.F.Macbr.) J.I.Cohen
  • Lithospermum virginianum L.
  • Lithospermum viride Greene
  1. ^ a b c (EN) Lithospermum, in Plants of the World Online, Board of Trustees of the Royal Botanic Gardens, Kew. URL consultato il 28 gennaio 2024.
  2. ^ Pignatti S., Lithospermum, in Flora d'Italia Vol. III, Milano, Edagricole, 2017, pp. 140-141, ISBN 9788850652440.

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Lithospermum
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