Publications des scientifiques de l'IRD

Hopkins H. C. F., Pillon Yohan. (2020). Virotia azurea (Proteaceae : Macadamieae), a striking new species endemic to New Caledonia and notes on V. francii and V. leptophylla. Candollea, 75 (1), p. 89-98. ISSN 0373-2967.

Titre du document
Virotia azurea (Proteaceae : Macadamieae), a striking new species endemic to New Caledonia and notes on V. francii and V. leptophylla
Année de publication
2020
Type de document
Article référencé dans le Web of Science WOS:000542253800009
Auteurs
Hopkins H. C. F., Pillon Yohan
Source
Candollea, 2020, 75 (1), p. 89-98 ISSN 0373-2967
Virotia azurea H.C. Hopkins & Pillon (Proteaceae), the seventh species in the endemic genus Virotia L.A.S. Johnson & B.G. Briggs from New Caledonia is described and illustrated. A distribution map and preliminary conservation assessment are provided. This new species occurs principally on non-ultramafic substrates in a restricted area of central Grande Terre. It has relatively long narrow leaves, often with distally undulate-sinuate or bluntly toothed margins and a pointed apex, plus blue flowers and laterally flattened, markedly beaked fruits containing seeds with blue to mauve cotyledons. Its characters are compared with those of other species of Virotia and a key to species is provided. A handful of specimens previously identified as Virotia francii (Guillaumin) P.H. Weston &A.R. Mast are determinated mostly as Virotia leptophylla (Guillaumin) L.A.S. Johnson & B.G. Briggs and other species; the former is now confined to ultramafic substrates in southern Grande Terre and the latter is more widespread, principally occurring on non-ultramafic substrates though occasionally found on ultramafic ones in the south of the island as well.
Plan de classement
Sciences du monde végétal [076]
Description Géographique
NOUVELLE CALEDONIE
Localisation
Fonds IRD [F B010079124]
Identifiant IRD
fdi:010079124
Contact
  • Coordonnées :
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